/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:03:22,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:03:22,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:03:23,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:03:23,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:03:23,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:03:23,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:03:23,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:03:23,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:03:23,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:03:23,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:03:23,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:03:23,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:03:23,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:03:23,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:03:23,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:03:23,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:03:23,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:03:23,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:03:23,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:03:23,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:03:23,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:03:23,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:03:23,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:03:23,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:03:23,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:03:23,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:03:23,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:03:23,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:03:23,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:03:23,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:03:23,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:03:23,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:03:23,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:03:23,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:03:23,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:03:23,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:03:23,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:03:23,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:03:23,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:03:23,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:03:23,073 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 03:03:23,098 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:03:23,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:03:23,100 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:03:23,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:03:23,100 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:03:23,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:03:23,101 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:03:23,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:03:23,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:03:23,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:03:23,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:03:23,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:03:23,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:03:23,102 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:03:23,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:03:23,103 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:03:23,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:03:23,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:03:23,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:03:23,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:03:23,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:03:23,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:03:23,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:03:23,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:03:23,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:03:23,105 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:03:23,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:03:23,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:03:23,106 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:03:23,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-09-25 03:03:23,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:03:23,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:03:23,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:03:23,602 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:03:23,603 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:03:23,604 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c [2020-09-25 03:03:23,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a84bc709d/ccf73b7e7d454380b368c652ae8c5758/FLAG711930947 [2020-09-25 03:03:24,278 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:03:24,279 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_productSimulator.cil.c [2020-09-25 03:03:24,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a84bc709d/ccf73b7e7d454380b368c652ae8c5758/FLAG711930947 [2020-09-25 03:03:24,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a84bc709d/ccf73b7e7d454380b368c652ae8c5758 [2020-09-25 03:03:24,549 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:03:24,555 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:03:24,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:03:24,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:03:24,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:03:24,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:03:24" (1/1) ... [2020-09-25 03:03:24,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d96e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:24, skipping insertion in model container [2020-09-25 03:03:24,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:03:24" (1/1) ... [2020-09-25 03:03:24,575 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:03:24,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:03:25,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:03:25,062 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:03:25,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:03:25,313 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:03:25,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:25 WrapperNode [2020-09-25 03:03:25,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:03:25,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:03:25,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:03:25,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:03:25,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:25" (1/1) ... [2020-09-25 03:03:25,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:25" (1/1) ... [2020-09-25 03:03:25,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:25" (1/1) ... [2020-09-25 03:03:25,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:25" (1/1) ... [2020-09-25 03:03:25,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:25" (1/1) ... [2020-09-25 03:03:25,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:25" (1/1) ... [2020-09-25 03:03:25,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:25" (1/1) ... [2020-09-25 03:03:25,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:03:25,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:03:25,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:03:25,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:03:25,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:25" (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 [2020-09-25 03:03:25,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:03:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:03:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:03:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:03:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:03:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:03:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:03:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:03:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:03:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:03:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-25 03:03:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-25 03:03:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-25 03:03:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-25 03:03:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-25 03:03:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-25 03:03:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:03:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-25 03:03:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-25 03:03:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:03:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:03:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:03:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:03:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:03:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 03:03:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 03:03:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 03:03:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 03:03:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:03:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:03:25,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:03:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:03:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:03:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:03:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:03:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:03:25,506 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:03:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:03:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:03:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:03:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:03:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:03:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 03:03:25,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 03:03:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:03:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:03:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:03:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:03:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:03:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:03:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:03:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:03:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:03:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:03:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:03:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:03:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:03:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:03:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:03:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:03:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:03:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:03:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:03:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:03:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:03:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:03:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:03:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:03:25,511 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:03:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:03:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:03:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 03:03:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 03:03:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:03:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:03:25,512 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 03:03:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 03:03:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:03:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-25 03:03:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 03:03:25,513 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-25 03:03:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-25 03:03:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 03:03:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-25 03:03:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-25 03:03:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:03:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-25 03:03:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-25 03:03:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-25 03:03:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:03:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:03:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:03:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:03:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:03:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:03:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:03:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:03:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:03:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:03:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:03:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:03:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:03:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:03:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:03:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:03:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:03:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:03:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:03:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:03:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:03:26,776 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:03:26,776 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:03:26,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:03:26 BoogieIcfgContainer [2020-09-25 03:03:26,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:03:26,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:03:26,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:03:26,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:03:26,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:03:24" (1/3) ... [2020-09-25 03:03:26,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f1878c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:03:26, skipping insertion in model container [2020-09-25 03:03:26,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:25" (2/3) ... [2020-09-25 03:03:26,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f1878c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:03:26, skipping insertion in model container [2020-09-25 03:03:26,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:03:26" (3/3) ... [2020-09-25 03:03:26,806 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_productSimulator.cil.c [2020-09-25 03:03:26,819 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:03:26,836 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:03:26,860 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:03:26,910 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:03:26,911 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:03:26,914 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:03:26,914 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:03:26,914 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:03:26,914 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:03:26,915 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:03:26,915 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:03:26,961 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states. [2020-09-25 03:03:26,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-25 03:03:27,000 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:27,004 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:03:27,005 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:27,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:27,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1119932632, now seen corresponding path program 1 times [2020-09-25 03:03:27,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:27,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [478497249] [2020-09-25 03:03:27,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:03:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:27,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:27,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:29,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:30,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:32,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:32,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 03:03:32,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:03:32,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-09-25 03:03:32,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:32,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:03:32,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-25 03:03:32,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-09-25 03:03:32,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 03:03:32,967 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 03:03:32,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:03:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:33,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:33,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:33,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 03:03:33,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:33,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 344 [2020-09-25 03:03:33,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:33,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:33,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 03:03:33,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:33,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 03:03:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:33,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:33,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:33,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:03:33,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:33,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:03:33,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:33,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:33,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:33,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:03:33,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:33,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 03:03:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:33,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:33,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:33,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 03:03:33,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:33,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-25 03:03:33,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:33,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:33,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:33,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 03:03:33,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:33,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:03:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:33,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:33,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:33,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:03:33,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:33,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:33,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:33,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:33,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:33,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:33,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:33,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 03:03:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:33,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:33,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:33,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:03:33,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:33,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 03:03:33,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:33,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:33,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 03:03:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:33,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:33,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:33,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:03:33,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:33,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:33,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:33,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:33,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:33,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:33,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:33,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 03:03:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:33,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:33,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:33,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:03:33,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:33,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:33,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:33,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:33,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:33,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:33,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:33,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 03:03:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:33,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:33,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:33,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:03:33,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:33,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:33,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:33,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:33,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:33,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:33,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:33,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 03:03:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:33,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:33,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:33,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:03:33,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:33,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:33,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:33,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:33,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:33,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:33,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:33,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 03:03:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:33,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:33,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:33,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:33,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:33,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:03:33,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:33,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:33,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:33,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:33,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:33,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 03:03:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:33,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:33,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:33,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:33,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:33,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:33,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:33,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:33,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:33,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:33,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:33,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 03:03:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:33,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:33,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:33,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:33,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:33,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:03:33,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:33,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:33,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:33,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:33,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:33,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 03:03:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:33,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:33,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:33,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:33,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:33,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:33,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:33,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:33,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:33,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:33,864 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 03:03:33,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [478497249] [2020-09-25 03:03:33,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:03:33,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 03:03:33,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804557248] [2020-09-25 03:03:33,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 03:03:33,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:03:33,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 03:03:33,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 03:03:33,898 INFO L87 Difference]: Start difference. First operand 420 states. Second operand 10 states. [2020-09-25 03:03:34,704 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 03:03:36,212 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 03:03:36,996 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 214 [2020-09-25 03:03:37,589 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 03:03:38,111 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 03:03:38,481 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 03:03:38,893 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-25 03:03:39,261 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 03:03:43,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:03:43,225 INFO L93 Difference]: Finished difference Result 914 states and 1139 transitions. [2020-09-25 03:03:43,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 03:03:43,231 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 224 [2020-09-25 03:03:43,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:03:43,257 INFO L225 Difference]: With dead ends: 914 [2020-09-25 03:03:43,258 INFO L226 Difference]: Without dead ends: 651 [2020-09-25 03:03:43,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2020-09-25 03:03:43,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-09-25 03:03:43,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 590. [2020-09-25 03:03:43,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2020-09-25 03:03:43,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 686 transitions. [2020-09-25 03:03:43,442 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 686 transitions. Word has length 224 [2020-09-25 03:03:43,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:03:43,444 INFO L479 AbstractCegarLoop]: Abstraction has 590 states and 686 transitions. [2020-09-25 03:03:43,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 03:03:43,444 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 686 transitions. [2020-09-25 03:03:43,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-25 03:03:43,451 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:43,451 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:03:43,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:03:43,452 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:43,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:43,452 INFO L82 PathProgramCache]: Analyzing trace with hash -272334129, now seen corresponding path program 1 times [2020-09-25 03:03:43,452 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:43,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454695363] [2020-09-25 03:03:43,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:03:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:43,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:43,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:44,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:48,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:48,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-09-25 03:03:48,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 03:03:48,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-25 03:03:48,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:48,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:03:48,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-25 03:03:48,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-09-25 03:03:48,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:48,929 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 03:03:48,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:03:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:49,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:49,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:49,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 03:03:49,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:49,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-25 03:03:49,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:49,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:49,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:49,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-09-25 03:03:49,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:49,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 03:03:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:49,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:49,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:49,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:03:49,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:49,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:03:49,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:49,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:49,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:49,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:03:49,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:49,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 03:03:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:49,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:49,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:49,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 03:03:49,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:49,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 03:03:49,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:49,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:49,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:49,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 03:03:49,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:49,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:03:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:49,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:49,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:49,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:03:49,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:49,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:49,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:49,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:49,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:49,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:49,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 03:03:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:49,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:49,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:49,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:03:49,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:49,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:49,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:49,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:49,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:49,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:49,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:49,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 03:03:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:49,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:49,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:49,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:03:49,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:49,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:49,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:49,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:49,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:49,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:49,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:49,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 03:03:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:49,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:49,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:49,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:03:49,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:49,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:49,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:49,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:49,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:49,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:49,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:49,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 03:03:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:49,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:49,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:49,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:03:49,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:49,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:49,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:49,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:49,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:49,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:49,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:49,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 03:03:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:49,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:49,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:49,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:03:49,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:49,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:49,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:49,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:49,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:49,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:49,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:49,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 03:03:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:49,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:49,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:49,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:49,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:49,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:03:49,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:49,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:49,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:49,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:49,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:49,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 03:03:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:49,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:49,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:49,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:49,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:49,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:03:49,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:49,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:49,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:49,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-25 03:03:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:49,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:49,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:49,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:03:49,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:49,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:03:49,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:49,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:03:49,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:49,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-25 03:03:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:49,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:49,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:49,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:49,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:49,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:49,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:49,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:49,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:49,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:49,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:49,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-09-25 03:03:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:49,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:49,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:49,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:49,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:49,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:49,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:49,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 03:03:49,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454695363] [2020-09-25 03:03:49,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:03:49,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 03:03:49,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507704200] [2020-09-25 03:03:49,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 03:03:49,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:03:49,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 03:03:49,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-25 03:03:49,560 INFO L87 Difference]: Start difference. First operand 590 states and 686 transitions. Second operand 7 states. [2020-09-25 03:03:50,213 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 03:03:54,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:03:54,948 INFO L93 Difference]: Finished difference Result 1572 states and 1924 transitions. [2020-09-25 03:03:54,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 03:03:54,949 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-09-25 03:03:54,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:03:54,959 INFO L225 Difference]: With dead ends: 1572 [2020-09-25 03:03:54,959 INFO L226 Difference]: Without dead ends: 1134 [2020-09-25 03:03:54,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2020-09-25 03:03:54,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1134 states. [2020-09-25 03:03:55,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1134 to 979. [2020-09-25 03:03:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 979 states. [2020-09-25 03:03:55,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1156 transitions. [2020-09-25 03:03:55,127 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1156 transitions. Word has length 230 [2020-09-25 03:03:55,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:03:55,128 INFO L479 AbstractCegarLoop]: Abstraction has 979 states and 1156 transitions. [2020-09-25 03:03:55,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 03:03:55,128 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1156 transitions. [2020-09-25 03:03:55,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-09-25 03:03:55,134 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:55,135 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:03:55,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:03:55,135 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:55,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:55,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1300729995, now seen corresponding path program 1 times [2020-09-25 03:03:55,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:55,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [754078906] [2020-09-25 03:03:55,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:03:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:55,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:56,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:59,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:59,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 306 [2020-09-25 03:03:59,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:03:59,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4463 [2020-09-25 03:03:59,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-09-25 03:03:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-25 03:03:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 216 [2020-09-25 03:03:59,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:04:00,146 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 03:04:00,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:04:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 03:04:00,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-09-25 03:04:00,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:04:00,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:00,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-25 03:04:00,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:00,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 03:04:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:04:00,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:04:00,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:04:00,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:00,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:04:00,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:04:00,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 03:04:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 03:04:00,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-25 03:04:00,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:04:00,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:00,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 03:04:00,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:00,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:04:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:04:00,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:04:00,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:04:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:00,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:04:00,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:00,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 03:04:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:04:00,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:04:00,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:04:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:04:00,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:00,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 03:04:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:04:00,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:04:00,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:04:00,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:00,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:04:00,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:00,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 03:04:00,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:04:00,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:04:00,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:04:00,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:00,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:04:00,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:00,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 03:04:00,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:04:00,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:04:00,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:04:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:04:00,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:00,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 03:04:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:04:00,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:04:00,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:04:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:00,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:04:00,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:00,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 03:04:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:04:00,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:04:00,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:04:00,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:00,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:04:00,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:00,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 03:04:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:04:00,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:04:00,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:04:00,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:00,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:04:00,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:00,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-25 03:04:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:04:00,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:04:00,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:04:00,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:00,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:04:00,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:00,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-25 03:04:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 03:04:00,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 03:04:00,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 03:04:00,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:04:00,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 03:04:00,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:00,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:04:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 03:04:00,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 03:04:00,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:04:00,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:04:00,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 03:04:00,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:00,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:04:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:04:00,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:04:00,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:04:00,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 03:04:00,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 03:04:00,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:00,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:04:00,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:04:00,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:04:00,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:04:00,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:00,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:04:00,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:00,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-25 03:04:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:04:00,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:04:00,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:04:00,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:00,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:04:00,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:00,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-09-25 03:04:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:00,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:00,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:04:00,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:04:00,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:04:00,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 03:04:00,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:04:00,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:04:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:04:01,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:04:01,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:04:01,162 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 03:04:01,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [754078906] [2020-09-25 03:04:01,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:04:01,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 03:04:01,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114050730] [2020-09-25 03:04:01,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 03:04:01,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:04:01,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 03:04:01,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-09-25 03:04:01,166 INFO L87 Difference]: Start difference. First operand 979 states and 1156 transitions. Second operand 13 states. [2020-09-25 03:04:01,939 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 03:04:04,304 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 03:04:04,696 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 03:04:05,140 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 03:04:05,514 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 03:04:05,908 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 03:04:06,744 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 03:04:07,158 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 03:04:07,686 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 03:04:10,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:04:10,859 INFO L93 Difference]: Finished difference Result 2434 states and 3238 transitions. [2020-09-25 03:04:10,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-09-25 03:04:10,859 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 255 [2020-09-25 03:04:10,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:04:10,869 INFO L225 Difference]: With dead ends: 2434 [2020-09-25 03:04:10,870 INFO L226 Difference]: Without dead ends: 1607 [2020-09-25 03:04:10,874 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=365, Invalid=895, Unknown=0, NotChecked=0, Total=1260 [2020-09-25 03:04:10,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2020-09-25 03:04:11,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1367. [2020-09-25 03:04:11,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1367 states. [2020-09-25 03:04:11,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1668 transitions. [2020-09-25 03:04:11,100 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1668 transitions. Word has length 255 [2020-09-25 03:04:11,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:04:11,101 INFO L479 AbstractCegarLoop]: Abstraction has 1367 states and 1668 transitions. [2020-09-25 03:04:11,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 03:04:11,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1668 transitions. [2020-09-25 03:04:11,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-09-25 03:04:11,111 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:04:11,112 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 03:04:11,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:04:11,112 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:04:11,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:04:11,113 INFO L82 PathProgramCache]: Analyzing trace with hash -744066291, now seen corresponding path program 1 times [2020-09-25 03:04:11,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:04:11,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618749484] [2020-09-25 03:04:11,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:04:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:04:11,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:11,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:11,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:12,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:04:12,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking...