/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_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:03:05,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:03:05,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:03:05,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:03:05,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:03:05,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:03:05,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:03:05,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:03:05,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:03:05,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:03:05,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:03:05,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:03:05,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:03:05,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:03:05,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:03:05,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:03:05,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:03:05,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:03:05,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:03:05,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:03:05,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:03:05,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:03:05,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:03:05,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:03:05,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:03:05,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:03:05,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:03:05,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:03:05,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:03:05,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:03:05,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:03:05,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:03:05,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:03:05,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:03:05,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:03:05,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:03:05,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:03:05,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:03:05,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:03:05,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:03:05,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:03:05,209 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 03:03:05,264 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:03:05,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:03:05,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:03:05,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:03:05,267 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:03:05,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:03:05,268 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:03:05,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:03:05,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:03:05,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:03:05,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:03:05,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:03:05,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:03:05,270 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:03:05,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:03:05,271 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:03:05,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:03:05,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:03:05,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:03:05,272 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:03:05,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:03:05,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:03:05,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:03:05,273 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:03:05,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:03:05,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:03:05,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:03:05,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:03:05,274 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:03:05,274 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 03:03:05,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:03:05,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:03:05,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:03:05,748 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:03:05,749 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:03:05,750 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2020-09-25 03:03:05,828 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a3305c00/3adc2bb1d4a64226a9aa8d52caffd6cb/FLAG5790bad29 [2020-09-25 03:03:06,427 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:03:06,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2020-09-25 03:03:06,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a3305c00/3adc2bb1d4a64226a9aa8d52caffd6cb/FLAG5790bad29 [2020-09-25 03:03:06,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a3305c00/3adc2bb1d4a64226a9aa8d52caffd6cb [2020-09-25 03:03:06,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:03:06,717 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:03:06,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:03:06,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:03:06,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:03:06,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:03:06" (1/1) ... [2020-09-25 03:03:06,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5db1276a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:06, skipping insertion in model container [2020-09-25 03:03:06,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:03:06" (1/1) ... [2020-09-25 03:03:06,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:03:06,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:03:07,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:03:07,327 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:03:07,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:03:07,452 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:03:07,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:07 WrapperNode [2020-09-25 03:03:07,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:03:07,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:03:07,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:03:07,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:03:07,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:07" (1/1) ... [2020-09-25 03:03:07,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:07" (1/1) ... [2020-09-25 03:03:07,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:07" (1/1) ... [2020-09-25 03:03:07,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:07" (1/1) ... [2020-09-25 03:03:07,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:07" (1/1) ... [2020-09-25 03:03:07,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:07" (1/1) ... [2020-09-25 03:03:07,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:07" (1/1) ... [2020-09-25 03:03:07,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:03:07,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:03:07,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:03:07,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:03:07,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:07" (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 03:03:07,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:03:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:03:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 03:03:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 03:03:07,645 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 03:03:07,646 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 03:03:07,646 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 03:03:07,646 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 03:03:07,646 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 03:03:07,646 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 03:03:07,647 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 03:03:07,647 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 03:03:07,647 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 03:03:07,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 03:03:07,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 03:03:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 03:03:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 03:03:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 03:03:07,648 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 03:03:07,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:03:07,649 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 03:03:07,649 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 03:03:07,649 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 03:03:07,649 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 03:03:07,649 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 03:03:07,650 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 03:03:07,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 03:03:07,650 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 03:03:07,650 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:03:07,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 03:03:07,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 03:03:07,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 03:03:07,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 03:03:07,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 03:03:07,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 03:03:07,651 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 03:03:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 03:03:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 03:03:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 03:03:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 03:03:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 03:03:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 03:03:07,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 03:03:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:03:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 03:03:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 03:03:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 03:03:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 03:03:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 03:03:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 03:03:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 03:03:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 03:03:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 03:03:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 03:03:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 03:03:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 03:03:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 03:03:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 03:03:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 03:03:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 03:03:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 03:03:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 03:03:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 03:03:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 03:03:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 03:03:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 03:03:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 03:03:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 03:03:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 03:03:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 03:03:07,657 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 03:03:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 03:03:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 03:03:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 03:03:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 03:03:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 03:03:07,658 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 03:03:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 03:03:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 03:03:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 03:03:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:03:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 03:03:07,659 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:03:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:03:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 03:03:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:03:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:03:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:03:07,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:03:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 03:03:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:03:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 03:03:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 03:03:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:03:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 03:03:07,661 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 03:03:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 03:03:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:03:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 03:03:07,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:03:08,941 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:03:08,942 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 03:03:08,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:03:08 BoogieIcfgContainer [2020-09-25 03:03:08,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:03:08,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:03:08,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:03:08,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:03:08,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:03:06" (1/3) ... [2020-09-25 03:03:08,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b79e8a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:03:08, skipping insertion in model container [2020-09-25 03:03:08,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:03:07" (2/3) ... [2020-09-25 03:03:08,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b79e8a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:03:08, skipping insertion in model container [2020-09-25 03:03:08,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:03:08" (3/3) ... [2020-09-25 03:03:08,967 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2020-09-25 03:03:08,979 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:03:08,991 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:03:09,015 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:03:09,058 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:03:09,059 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:03:09,060 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:03:09,060 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:03:09,060 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:03:09,061 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:03:09,061 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:03:09,062 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:03:09,106 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-25 03:03:09,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 03:03:09,140 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:09,142 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:03:09,144 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:09,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:09,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1052921660, now seen corresponding path program 1 times [2020-09-25 03:03:09,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:09,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264680348] [2020-09-25 03:03:09,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:03:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:09,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:09,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:11,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:12,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:14,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:14,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 03:03:14,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:03:14,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-09-25 03:03:14,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:14,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:03:14,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 03:03:14,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 03:03:14,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 03:03:15,054 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:03:15,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:03:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:15,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:15,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:15,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:03:15,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:15,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-09-25 03:03:15,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:15,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:15,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:15,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 03:03:15,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:15,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:03:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:15,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:15,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:15,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:15,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:15,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:03:15,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:15,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:15,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:15,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:03:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:15,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:15,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:15,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:15,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:15,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:03:15,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:15,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:15,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:15,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:15,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:15,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:03:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:15,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:15,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:15,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:15,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:15,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 03:03:15,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:15,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:15,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:15,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:15,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:15,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:03:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:15,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:15,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:15,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:15,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:15,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:03:15,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:15,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:15,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:15,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:15,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:15,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 03:03:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:15,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:15,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:15,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:15,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:15,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 03:03:15,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:15,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:15,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:15,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:15,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:15,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 03:03:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:15,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:15,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:15,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:15,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:15,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:15,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:15,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:15,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:15,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:15,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:15,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:03:15,719 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264680348] [2020-09-25 03:03:15,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:03:15,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 03:03:15,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842871824] [2020-09-25 03:03:15,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 03:03:15,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:03:15,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 03:03:15,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 03:03:15,754 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 8 states. [2020-09-25 03:03:16,425 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:17,419 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:17,766 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:18,195 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:18,624 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:18,957 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:19,307 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:19,645 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:22,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:03:22,882 INFO L93 Difference]: Finished difference Result 772 states and 960 transitions. [2020-09-25 03:03:22,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 03:03:22,884 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 03:03:22,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:03:22,909 INFO L225 Difference]: With dead ends: 772 [2020-09-25 03:03:22,909 INFO L226 Difference]: Without dead ends: 533 [2020-09-25 03:03:22,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-25 03:03:22,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2020-09-25 03:03:23,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 487. [2020-09-25 03:03:23,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2020-09-25 03:03:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 565 transitions. [2020-09-25 03:03:23,090 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 565 transitions. Word has length 142 [2020-09-25 03:03:23,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:03:23,091 INFO L479 AbstractCegarLoop]: Abstraction has 487 states and 565 transitions. [2020-09-25 03:03:23,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 03:03:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 565 transitions. [2020-09-25 03:03:23,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 03:03:23,097 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:23,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:03:23,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:03:23,098 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:23,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:23,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1310581114, now seen corresponding path program 1 times [2020-09-25 03:03:23,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:23,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2119370237] [2020-09-25 03:03:23,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:03:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:23,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:23,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:24,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:27,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:28,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:28,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 03:03:28,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:03:28,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-25 03:03:28,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 03:03:28,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 03:03:28,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-09-25 03:03:28,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 03:03:28,487 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:03:28,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:03:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:28,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:28,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:28,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:03:28,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:28,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-09-25 03:03:28,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:28,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 03:03:28,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:28,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:03:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:28,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:28,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:28,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:28,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:28,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:28,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:28,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:28,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:28,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:28,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:28,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:03:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:28,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:28,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:28,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:28,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:28,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:28,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:28,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:28,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:28,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:28,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:28,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:03:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:28,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:28,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:28,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:28,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:28,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:03:28,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:28,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:28,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:28,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:28,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:28,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:03:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:28,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:28,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:28,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:28,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:28,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:28,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:28,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:28,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:28,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 03:03:28,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:28,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 03:03:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:28,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:28,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:28,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:03:28,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:28,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:03:28,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:28,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:28,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:28,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:03:28,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:28,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-25 03:03:28,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:28,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:28,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:28,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:28,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:28,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:28,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:28,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:28,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:28,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:28,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:28,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 03:03:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:28,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:28,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:28,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:28,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:28,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 03:03:28,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:28,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:28,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:28,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:28,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:28,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:03:28,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2119370237] [2020-09-25 03:03:28,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:03:28,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 03:03:28,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347216182] [2020-09-25 03:03:28,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 03:03:28,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:03:28,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 03:03:28,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 03:03:28,930 INFO L87 Difference]: Start difference. First operand 487 states and 565 transitions. Second operand 9 states. [2020-09-25 03:03:29,464 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:31,561 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:31,877 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:32,312 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:32,904 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:33,247 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:33,613 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:33,953 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:03:34,277 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:03:35,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:03:35,443 INFO L93 Difference]: Finished difference Result 1133 states and 1513 transitions. [2020-09-25 03:03:35,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 03:03:35,447 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-25 03:03:35,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:03:35,460 INFO L225 Difference]: With dead ends: 1133 [2020-09-25 03:03:35,460 INFO L226 Difference]: Without dead ends: 756 [2020-09-25 03:03:35,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 03:03:35,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-09-25 03:03:35,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 642. [2020-09-25 03:03:35,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2020-09-25 03:03:35,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 785 transitions. [2020-09-25 03:03:35,579 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 785 transitions. Word has length 148 [2020-09-25 03:03:35,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:03:35,580 INFO L479 AbstractCegarLoop]: Abstraction has 642 states and 785 transitions. [2020-09-25 03:03:35,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 03:03:35,580 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 785 transitions. [2020-09-25 03:03:35,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2020-09-25 03:03:35,585 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:35,586 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-25 03:03:35,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 03:03:35,587 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:35,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:35,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1875287345, now seen corresponding path program 1 times [2020-09-25 03:03:35,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:35,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876746006] [2020-09-25 03:03:35,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:03:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:35,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:35,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:36,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:36,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:36,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:40,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:40,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-09-25 03:03:40,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 03:03:40,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-09-25 03:03:40,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:40,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:40,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 03:03:40,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-09-25 03:03:40,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:41,034 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:03:41,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:03:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:41,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:41,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:41,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:03:41,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:41,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 03:03:41,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:41,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:41,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:41,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:41,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:41,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:03:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:41,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:41,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:41,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:41,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:41,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:41,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:41,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:41,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:41,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:41,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:41,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:03:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:41,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:41,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:41,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:41,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:41,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:03:41,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:41,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:41,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:41,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:41,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:41,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:03:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:41,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:41,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:41,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:41,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:41,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:41,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:41,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:41,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:41,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:41,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:41,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:03:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:41,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:41,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:41,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:41,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:41,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:03:41,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:41,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:41,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:41,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 03:03:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:41,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:41,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:41,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:03:41,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:41,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:03:41,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:41,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:41,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:41,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 03:03:41,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:41,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 03:03:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:41,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:41,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:41,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:41,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-25 03:03:41,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:03:41,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-25 03:03:41,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:41,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 108 [2020-09-25 03:03:41,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:41,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:41,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:41,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:41,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:41,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:03:41,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:03:41,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-09-25 03:03:41,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:41,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:03:41,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:03:41,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:03:41,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:41,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:41,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:41,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:41,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:03:41,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:41,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-09-25 03:03:41,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:41,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:03:41,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 03:03:41,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:03:41,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:41,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:41,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:41,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:41,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:03:41,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:41,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-09-25 03:03:41,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:41,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 03:03:41,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 03:03:41,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:03:41,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:41,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:41,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:41,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:41,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:03:41,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:41,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 03:03:41,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:41,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:41,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:41,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 03:03:41,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:42,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:03:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:42,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:42,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:42,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:03:42,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:42,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:03:42,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:42,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:42,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:03:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:42,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:42,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:42,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:03:42,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:42,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 03:03:42,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:42,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:03:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:42,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:42,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:03:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:42,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:42,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:42,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:03:42,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:42,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:42,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:42,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:42,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:42,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:42,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:42,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:03:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:42,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:42,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:42,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:42,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:42,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:42,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:42,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:42,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:42,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:42,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:42,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:03:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:42,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:42,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:42,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:03:42,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:42,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:42,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:42,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:42,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:42,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:42,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:42,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-25 03:03:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:42,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:42,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:42,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:03:42,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:42,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:03:42,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:42,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:42,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:42,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:42,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:42,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:42,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:42,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:42,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:42,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:42,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:42,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:42,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:42,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:42,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:42,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:42,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-25 03:03:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:42,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:42,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:42,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:03:42,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:42,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 03:03:42,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 03:03:42,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:42,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:42,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-09-25 03:03:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:42,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:42,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:42,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:42,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:42,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:42,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:42,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:42,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:42,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:42,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:42,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-09-25 03:03:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:42,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:42,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:42,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:42,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:42,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:42,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:42,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:42,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:42,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:42,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:42,227 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-25 03:03:42,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876746006] [2020-09-25 03:03:42,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:03:42,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 03:03:42,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93401514] [2020-09-25 03:03:42,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 03:03:42,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:03:42,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 03:03:42,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-09-25 03:03:42,232 INFO L87 Difference]: Start difference. First operand 642 states and 785 transitions. Second operand 13 states. [2020-09-25 03:03:43,017 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 03:03:44,233 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:44,553 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 03:03:44,890 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 03:03:45,228 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:45,585 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 03:03:45,885 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:47,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:03:47,698 INFO L93 Difference]: Finished difference Result 1446 states and 1971 transitions. [2020-09-25 03:03:47,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 03:03:47,699 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 251 [2020-09-25 03:03:47,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:03:47,706 INFO L225 Difference]: With dead ends: 1446 [2020-09-25 03:03:47,707 INFO L226 Difference]: Without dead ends: 914 [2020-09-25 03:03:47,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=193, Invalid=677, Unknown=0, NotChecked=0, Total=870 [2020-09-25 03:03:47,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-09-25 03:03:47,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 618. [2020-09-25 03:03:47,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2020-09-25 03:03:47,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 714 transitions. [2020-09-25 03:03:47,805 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 714 transitions. Word has length 251 [2020-09-25 03:03:47,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:03:47,806 INFO L479 AbstractCegarLoop]: Abstraction has 618 states and 714 transitions. [2020-09-25 03:03:47,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 03:03:47,806 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 714 transitions. [2020-09-25 03:03:47,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-09-25 03:03:47,811 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:47,812 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:03:47,812 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 03:03:47,813 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:47,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:47,813 INFO L82 PathProgramCache]: Analyzing trace with hash 2056771545, now seen corresponding path program 1 times [2020-09-25 03:03:47,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:47,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [944510737] [2020-09-25 03:03:47,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:03:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:47,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:48,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:49,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:49,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 323 [2020-09-25 03:03:49,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:03:49,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1785 [2020-09-25 03:03:49,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:49,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:49,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 275 [2020-09-25 03:03:49,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 03:03:49,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:49,935 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 03:03:49,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:03:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:49,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:50,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 03:03:50,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:50,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-09-25 03:03:50,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:50,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:50,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:50,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 03:03:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:50,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:50,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:50,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:50,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:50,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:50,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:50,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:50,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:50,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:50,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 03:03:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:50,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:50,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:50,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:50,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 03:03:50,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:50,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:50,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 03:03:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:50,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:50,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:50,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:50,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:03:50,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:50,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:50,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:50,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:50,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:50,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 03:03:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:50,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:50,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 03:03:50,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:50,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:50,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:50,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:50,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:50,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:50,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 03:03:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:50,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:50,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:03:50,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:50,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 03:03:50,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:50,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:50,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:50,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:50,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-25 03:03:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:50,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:50,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-09-25 03:03:50,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:03:50,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-09-25 03:03:50,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:50,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:50,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-09-25 03:03:50,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:03:50,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:50,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:50,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:50,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 03:03:50,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:50,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-09-25 03:03:50,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 03:03:50,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:03:50,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:50,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:50,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:50,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-09-25 03:03:50,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:50,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-09-25 03:03:50,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:50,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:50,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 03:03:50,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:03:50,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:50,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:50,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:50,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-25 03:03:50,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:50,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 03:03:50,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:50,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:50,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 03:03:50,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:03:50,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:50,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:50,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:50,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 03:03:50,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:50,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-25 03:03:50,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:50,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:03:50,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 03:03:50,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 03:03:50,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:50,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 03:03:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:50,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:50,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 03:03:50,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:50,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 03:03:50,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:50,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:03:50,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:50,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 03:03:50,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:50,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 03:03:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:50,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:50,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 03:03:50,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:50,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 03:03:50,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 03:03:50,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:50,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:50,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:03:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:50,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:50,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-25 03:03:50,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:50,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:50,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:50,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:50,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:50,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:50,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:50,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 03:03:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:50,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:50,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:50,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:50,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 03:03:50,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:50,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:50,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:50,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:50,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-25 03:03:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:50,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:50,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:50,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:03:50,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:50,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:50,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:50,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:50,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:50,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:50,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:50,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-09-25 03:03:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:50,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:51,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:51,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 03:03:51,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:51,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:03:51,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:51,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:51,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-25 03:03:51,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:51,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:51,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 03:03:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:51,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:51,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:51,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:51,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:51,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:51,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:51,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:51,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:51,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:51,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:51,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 03:03:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:51,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:51,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:51,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 03:03:51,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:51,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 03:03:51,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:51,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:51,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:51,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 03:03:51,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:03:51,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-25 03:03:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:51,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:51,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:51,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 03:03:51,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:51,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:03:51,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:51,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:03:51,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:03:51,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 03:03:51,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:51,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-09-25 03:03:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:51,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:51,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:51,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:51,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:51,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:51,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:51,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:51,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:51,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:51,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:51,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-09-25 03:03:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:03:51,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:03:51,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:03:51,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:03:51,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:03:51,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 03:03:51,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:03:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:03:51,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 03:03:51,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:03:51,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:03:51,221 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-25 03:03:51,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [944510737] [2020-09-25 03:03:51,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 03:03:51,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-25 03:03:51,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199524998] [2020-09-25 03:03:51,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 03:03:51,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:03:51,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 03:03:51,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-09-25 03:03:51,224 INFO L87 Difference]: Start difference. First operand 618 states and 714 transitions. Second operand 12 states. [2020-09-25 03:03:51,774 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 03:03:52,833 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:53,139 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:53,459 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:53,796 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 03:03:54,094 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 03:03:56,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:03:56,341 INFO L93 Difference]: Finished difference Result 1380 states and 1791 transitions. [2020-09-25 03:03:56,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 03:03:56,342 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 264 [2020-09-25 03:03:56,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:03:56,348 INFO L225 Difference]: With dead ends: 1380 [2020-09-25 03:03:56,348 INFO L226 Difference]: Without dead ends: 872 [2020-09-25 03:03:56,350 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=207, Invalid=495, Unknown=0, NotChecked=0, Total=702 [2020-09-25 03:03:56,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states. [2020-09-25 03:03:56,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 583. [2020-09-25 03:03:56,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2020-09-25 03:03:56,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 666 transitions. [2020-09-25 03:03:56,431 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 666 transitions. Word has length 264 [2020-09-25 03:03:56,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:03:56,432 INFO L479 AbstractCegarLoop]: Abstraction has 583 states and 666 transitions. [2020-09-25 03:03:56,432 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 03:03:56,433 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 666 transitions. [2020-09-25 03:03:56,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-09-25 03:03:56,442 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:03:56,442 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:03:56,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 03:03:56,443 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:03:56,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:03:56,443 INFO L82 PathProgramCache]: Analyzing trace with hash -175622350, now seen corresponding path program 1 times [2020-09-25 03:03:56,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:03:56,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2032582672] [2020-09-25 03:03:56,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY