/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=HIGHLEXORDER --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_spec2_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 22:27:30,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 22:27:30,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 22:27:30,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 22:27:30,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 22:27:30,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 22:27:30,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 22:27:30,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 22:27:30,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 22:27:30,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 22:27:30,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 22:27:30,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 22:27:30,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 22:27:30,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 22:27:30,735 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 22:27:30,736 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 22:27:30,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 22:27:30,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 22:27:30,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 22:27:30,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 22:27:30,751 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 22:27:30,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 22:27:30,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 22:27:30,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 22:27:30,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 22:27:30,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 22:27:30,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 22:27:30,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 22:27:30,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 22:27:30,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 22:27:30,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 22:27:30,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 22:27:30,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 22:27:30,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 22:27:30,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 22:27:30,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 22:27:30,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 22:27:30,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 22:27:30,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 22:27:30,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 22:27:30,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 22:27:30,791 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 [2020-09-24 22:27:30,837 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 22:27:30,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 22:27:30,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 22:27:30,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 22:27:30,840 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 22:27:30,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 22:27:30,841 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 22:27:30,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 22:27:30,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 22:27:30,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 22:27:30,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 22:27:30,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 22:27:30,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 22:27:30,843 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 22:27:30,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 22:27:30,844 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 22:27:30,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 22:27:30,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 22:27:30,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 22:27:30,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 22:27:30,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 22:27:30,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 22:27:30,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 22:27:30,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 22:27:30,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 22:27:30,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 22:27:30,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 22:27:30,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 22:27:30,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 22:27:30,846 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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;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=HIGHLEXORDER;log-additional-information=true; [2020-09-24 22:27:31,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 22:27:31,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 22:27:31,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 22:27:31,337 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 22:27:31,337 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 22:27:31,338 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c [2020-09-24 22:27:31,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4992343d4/f319885263fb4ecf9407b06415f81cf4/FLAGc3b05c99f [2020-09-24 22:27:32,075 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 22:27:32,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_productSimulator.cil.c [2020-09-24 22:27:32,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4992343d4/f319885263fb4ecf9407b06415f81cf4/FLAGc3b05c99f [2020-09-24 22:27:32,305 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4992343d4/f319885263fb4ecf9407b06415f81cf4 [2020-09-24 22:27:32,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 22:27:32,326 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 22:27:32,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 22:27:32,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 22:27:32,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 22:27:32,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:27:32" (1/1) ... [2020-09-24 22:27:32,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:32, skipping insertion in model container [2020-09-24 22:27:32,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 10:27:32" (1/1) ... [2020-09-24 22:27:32,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 22:27:32,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 22:27:32,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:27:32,901 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 22:27:32,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 22:27:33,051 INFO L208 MainTranslator]: Completed translation [2020-09-24 22:27:33,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:33 WrapperNode [2020-09-24 22:27:33,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 22:27:33,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 22:27:33,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 22:27:33,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 22:27:33,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:33" (1/1) ... [2020-09-24 22:27:33,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:33" (1/1) ... [2020-09-24 22:27:33,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:33" (1/1) ... [2020-09-24 22:27:33,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:33" (1/1) ... [2020-09-24 22:27:33,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:33" (1/1) ... [2020-09-24 22:27:33,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:33" (1/1) ... [2020-09-24 22:27:33,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:33" (1/1) ... [2020-09-24 22:27:33,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 22:27:33,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 22:27:33,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 22:27:33,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 22:27:33,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:33" (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 [2020-09-24 22:27:33,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 22:27:33,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 22:27:33,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 22:27:33,256 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 22:27:33,256 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 22:27:33,257 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 22:27:33,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 22:27:33,257 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 22:27:33,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 22:27:33,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 22:27:33,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 22:27:33,258 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 22:27:33,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-24 22:27:33,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-24 22:27:33,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-24 22:27:33,258 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-24 22:27:33,259 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-24 22:27:33,259 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-24 22:27:33,259 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 22:27:33,259 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-24 22:27:33,260 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-24 22:27:33,260 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 22:27:33,260 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 22:27:33,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 22:27:33,260 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 22:27:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 22:27:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 22:27:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 22:27:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 22:27:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 22:27:33,261 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 22:27:33,262 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 22:27:33,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 22:27:33,262 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 22:27:33,262 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 22:27:33,262 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 22:27:33,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 22:27:33,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 22:27:33,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 22:27:33,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 22:27:33,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 22:27:33,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 22:27:33,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 22:27:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 22:27:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 22:27:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 22:27:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 22:27:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 22:27:33,264 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 22:27:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 22:27:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 22:27:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 22:27:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 22:27:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 22:27:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 22:27:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 22:27:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 22:27:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 22:27:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 22:27:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 22:27:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 22:27:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 22:27:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 22:27:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 22:27:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 22:27:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 22:27:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 22:27:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 22:27:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 22:27:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 22:27:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-24 22:27:33,269 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 22:27:33,269 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-24 22:27:33,269 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-24 22:27:33,269 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 22:27:33,269 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-24 22:27:33,269 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-24 22:27:33,270 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 22:27:33,270 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-24 22:27:33,270 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-24 22:27:33,270 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-24 22:27:33,270 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 22:27:33,270 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 22:27:33,271 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 22:27:33,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 22:27:33,271 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 22:27:33,271 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 22:27:33,271 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 22:27:33,271 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 22:27:33,271 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 22:27:33,272 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 22:27:33,272 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 22:27:33,272 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 22:27:33,272 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 22:27:33,272 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 22:27:33,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 22:27:33,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 22:27:33,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 22:27:33,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 22:27:33,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 22:27:33,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 22:27:33,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 22:27:33,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 22:27:33,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 22:27:33,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 22:27:33,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 22:27:33,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 22:27:33,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 22:27:33,274 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 22:27:33,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 22:27:33,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 22:27:33,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 22:27:34,505 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 22:27:34,506 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 22:27:34,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:27:34 BoogieIcfgContainer [2020-09-24 22:27:34,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 22:27:34,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 22:27:34,516 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 22:27:34,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 22:27:34,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 10:27:32" (1/3) ... [2020-09-24 22:27:34,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a38078d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:27:34, skipping insertion in model container [2020-09-24 22:27:34,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 10:27:33" (2/3) ... [2020-09-24 22:27:34,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a38078d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 10:27:34, skipping insertion in model container [2020-09-24 22:27:34,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 10:27:34" (3/3) ... [2020-09-24 22:27:34,524 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_productSimulator.cil.c [2020-09-24 22:27:34,536 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 22:27:34,548 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 22:27:34,571 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 22:27:34,604 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 22:27:34,604 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 22:27:34,604 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 22:27:34,604 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 22:27:34,604 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 22:27:34,605 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 22:27:34,605 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 22:27:34,605 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 22:27:34,637 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states. [2020-09-24 22:27:34,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-09-24 22:27:34,662 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:27:34,664 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:27:34,664 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:27:34,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:27:34,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1714706327, now seen corresponding path program 1 times [2020-09-24 22:27:34,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:27:34,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1339078636] [2020-09-24 22:27:34,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:27:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:35,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:35,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:37,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:38,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:39,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:40,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:40,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-09-24 22:27:40,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 22:27:40,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-24 22:27:40,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:40,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:27:40,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 239 [2020-09-24 22:27:40,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 22:27:40,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-09-24 22:27:40,972 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 22:27:40,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:27:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:41,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:41,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:41,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 22:27:41,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:41,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 152 [2020-09-24 22:27:41,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:41,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:41,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:41,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:41,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:41,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 22:27:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:41,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:41,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:41,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:41,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:41,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 22:27:41,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:41,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:41,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:41,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:41,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:41,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 22:27:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:41,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:41,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:41,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 22:27:41,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:41,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-24 22:27:41,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:41,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:41,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:41,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:41,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:41,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:27:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:41,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:41,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:41,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:27:41,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:41,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:27:41,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:41,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:41,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:41,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:41,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:41,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 22:27:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:41,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:41,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:41,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:27:41,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:41,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 22:27:41,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:41,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:41,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:41,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:41,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 22:27:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:41,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:41,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:41,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:27:41,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:41,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:27:41,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:41,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:41,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:41,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:41,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:41,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 22:27:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:41,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:41,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:41,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:27:41,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:41,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:41,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:41,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:41,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:41,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:41,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:41,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 22:27:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:41,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:41,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:41,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:27:41,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:41,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:41,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:41,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:41,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:41,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:41,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 22:27:41,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 22:27:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:41,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:41,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:41,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:27:41,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:41,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:27:41,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:41,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:41,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:41,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:41,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 22:27:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:41,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:41,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:41,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:41,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:41,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:41,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:41,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:41,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:41,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:41,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 22:27:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:41,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:41,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:41,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:41,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:41,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:41,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:41,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:41,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:41,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:41,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:41,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 22:27:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:41,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:41,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:41,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:41,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:41,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:41,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:41,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:41,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:41,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:41,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:41,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-09-24 22:27:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:41,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:41,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:41,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:41,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:41,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:27:41,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:41,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:27:41,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:41,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:27:41,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:41,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-24 22:27:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:41,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:41,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:41,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:41,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:41,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:27:41,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:41,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:27:41,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:41,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:27:41,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:41,653 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 22:27:41,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1339078636] [2020-09-24 22:27:41,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:27:41,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 22:27:41,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114755600] [2020-09-24 22:27:41,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 22:27:41,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:27:41,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 22:27:41,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 22:27:41,718 INFO L87 Difference]: Start difference. First operand 424 states. Second operand 11 states. [2020-09-24 22:27:42,563 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 22:27:44,724 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 22:27:45,470 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 217 [2020-09-24 22:27:45,862 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 22:27:46,280 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-24 22:27:46,701 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 22:27:47,722 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 22:27:48,106 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 22:27:48,551 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 22:27:51,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:27:51,558 INFO L93 Difference]: Finished difference Result 831 states and 1055 transitions. [2020-09-24 22:27:51,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-24 22:27:51,560 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 230 [2020-09-24 22:27:51,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:27:51,586 INFO L225 Difference]: With dead ends: 831 [2020-09-24 22:27:51,586 INFO L226 Difference]: Without dead ends: 573 [2020-09-24 22:27:51,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=238, Invalid=632, Unknown=0, NotChecked=0, Total=870 [2020-09-24 22:27:51,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2020-09-24 22:27:51,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 514. [2020-09-24 22:27:51,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-09-24 22:27:51,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 603 transitions. [2020-09-24 22:27:51,791 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 603 transitions. Word has length 230 [2020-09-24 22:27:51,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:27:51,794 INFO L479 AbstractCegarLoop]: Abstraction has 514 states and 603 transitions. [2020-09-24 22:27:51,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 22:27:51,794 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 603 transitions. [2020-09-24 22:27:51,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-09-24 22:27:51,807 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:27:51,808 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:27:51,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 22:27:51,809 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:27:51,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:27:51,809 INFO L82 PathProgramCache]: Analyzing trace with hash -550194135, now seen corresponding path program 1 times [2020-09-24 22:27:51,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:27:51,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [605864653] [2020-09-24 22:27:51,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:27:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:52,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:52,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:52,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:56,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:56,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-09-24 22:27:56,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:27:56,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-09-24 22:27:56,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:27:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 286 [2020-09-24 22:27:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:27:56,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:57,248 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 22:27:57,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:27:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:57,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:57,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:57,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 22:27:57,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:57,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-24 22:27:57,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:57,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:57,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:57,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 22:27:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:57,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:57,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:57,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:57,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:57,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:57,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:57,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:57,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:57,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:57,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:57,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 22:27:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:57,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:57,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:57,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 22:27:57,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:57,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 22:27:57,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:57,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:57,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:57,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:57,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:57,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:27:57,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:57,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:57,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:57,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:27:57,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:57,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:57,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:57,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:57,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:57,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:57,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:57,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 22:27:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:57,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:57,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:57,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:27:57,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:57,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:57,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:57,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:57,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:57,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 22:27:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:57,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:57,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:57,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:27:57,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:57,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:57,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:57,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:57,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:57,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 22:27:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:57,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:57,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:57,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:27:57,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:57,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:57,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:57,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:57,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 22:27:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:57,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:57,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:57,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:27:57,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:57,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:57,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:57,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:57,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 22:27:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:57,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:57,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:57,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:27:57,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:57,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:57,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:57,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:57,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:57,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:57,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:57,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 22:27:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:57,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:57,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:57,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:57,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:57,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:57,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:57,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:57,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:57,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:57,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:57,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 22:27:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:57,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:57,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:57,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:27:57,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:57,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:57,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:57,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:57,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:57,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:57,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:57,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 22:27:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:57,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:57,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:57,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:57,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:57,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:57,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:57,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:57,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:57,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:57,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:57,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-24 22:27:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:57,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:57,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:58,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:58,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 22:27:58,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:27:58,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-09-24 22:27:58,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:58,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:27:58,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-09-24 22:27:58,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:27:58,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:58,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:27:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:58,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:58,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:58,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:58,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 22:27:58,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:27:58,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 354 [2020-09-24 22:27:58,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:58,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:27:58,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 32 [2020-09-24 22:27:58,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:27:58,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:58,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:27:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:58,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:58,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:58,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:58,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 22:27:58,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:27:58,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-09-24 22:27:58,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:58,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:27:58,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 22:27:58,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:27:58,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:58,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:27:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:58,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:58,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:59,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:59,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 22:27:59,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:27:59,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-09-24 22:27:59,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:59,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 22:27:59,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 22:27:59,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 22:27:59,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:59,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:27:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:59,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:59,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:59,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:59,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:27:59,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 22:27:59,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-09-24 22:27:59,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:59,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 22:27:59,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 22:27:59,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 22:27:59,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:59,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:27:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:59,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:59,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:59,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:27:59,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:59,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 22:27:59,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:59,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 22:27:59,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:59,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:27:59,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:59,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:27:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:59,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:59,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:59,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 22:27:59,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:59,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 22:27:59,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:59,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:59,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 22:27:59,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:59,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:59,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:27:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:59,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:59,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:59,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:27:59,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:59,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:59,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:59,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:59,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:27:59,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:59,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:27:59,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-24 22:27:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:59,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:59,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:59,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:59,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:59,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:27:59,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:59,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:59,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:27:59,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:59,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:59,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-09-24 22:27:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:27:59,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:27:59,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:27:59,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:27:59,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:27:59,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:27:59,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:27:59,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:27:59,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 22:27:59,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:27:59,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:27:59,529 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 22:27:59,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [605864653] [2020-09-24 22:27:59,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:27:59,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-24 22:27:59,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928211437] [2020-09-24 22:27:59,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 22:27:59,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:27:59,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 22:27:59,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-09-24 22:27:59,534 INFO L87 Difference]: Start difference. First operand 514 states and 603 transitions. Second operand 13 states. [2020-09-24 22:28:02,264 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 22:28:02,682 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 22:28:03,184 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 22:28:03,633 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-09-24 22:28:04,025 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-09-24 22:28:04,545 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-24 22:28:06,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:28:06,891 INFO L93 Difference]: Finished difference Result 984 states and 1273 transitions. [2020-09-24 22:28:06,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 22:28:06,892 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 290 [2020-09-24 22:28:06,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:28:06,903 INFO L225 Difference]: With dead ends: 984 [2020-09-24 22:28:06,903 INFO L226 Difference]: Without dead ends: 627 [2020-09-24 22:28:06,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2020-09-24 22:28:06,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-09-24 22:28:06,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 529. [2020-09-24 22:28:06,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2020-09-24 22:28:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 624 transitions. [2020-09-24 22:28:06,994 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 624 transitions. Word has length 290 [2020-09-24 22:28:06,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:28:06,995 INFO L479 AbstractCegarLoop]: Abstraction has 529 states and 624 transitions. [2020-09-24 22:28:06,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 22:28:06,995 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 624 transitions. [2020-09-24 22:28:07,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-09-24 22:28:07,001 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:28:07,001 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:28:07,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 22:28:07,002 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:28:07,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:28:07,002 INFO L82 PathProgramCache]: Analyzing trace with hash 861920393, now seen corresponding path program 1 times [2020-09-24 22:28:07,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:28:07,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861637285] [2020-09-24 22:28:07,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:28:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:07,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:08,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:09,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:12,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:12,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-09-24 22:28:12,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 22:28:12,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-24 22:28:12,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:12,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 22:28:12,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 218 [2020-09-24 22:28:12,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 127 [2020-09-24 22:28:12,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:12,573 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-24 22:28:12,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 22:28:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:12,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:12,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:12,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-09-24 22:28:12,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:12,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-09-24 22:28:12,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:12,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:12,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:12,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:12,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:12,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-24 22:28:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:12,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:12,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:12,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:28:12,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:12,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:28:12,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:12,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:12,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:12,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-24 22:28:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:12,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:12,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:12,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-24 22:28:12,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:12,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 22:28:12,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:12,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:12,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:12,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:12,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:12,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:28:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:12,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:12,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:12,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:28:12,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:12,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:28:12,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:12,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:12,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:12,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:12,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:12,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-24 22:28:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:12,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:12,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:12,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:28:12,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:12,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:28:12,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:12,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:12,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:12,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:12,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:12,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-24 22:28:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:12,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:12,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:12,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:28:12,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:12,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:28:12,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:12,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:12,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-24 22:28:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:12,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:12,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:12,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:28:12,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:12,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:28:12,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:12,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:12,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:12,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:12,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:12,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-24 22:28:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:12,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:12,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:12,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:28:12,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:12,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:28:12,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:12,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:12,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:12,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:12,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:12,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-24 22:28:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:12,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:12,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:12,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 22:28:12,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:12,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:28:12,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:12,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:12,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:12,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:12,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:12,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-24 22:28:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:12,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:12,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:12,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:28:12,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:12,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:28:12,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:12,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:12,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:12,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:12,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:12,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-24 22:28:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:12,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:12,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:12,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 22:28:12,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:12,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 22:28:12,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:12,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:12,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:12,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:12,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:12,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-24 22:28:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:12,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:12,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:12,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:28:12,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:12,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:28:12,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:12,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:28:12,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:12,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 22:28:12,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:12,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-24 22:28:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:12,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:13,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:13,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-09-24 22:28:13,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:13,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-24 22:28:13,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:13,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:28:13,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:13,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-24 22:28:13,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:13,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:28:13,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:13,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:13,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:13,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-24 22:28:13,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:13,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 22:28:13,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:13,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:13,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:13,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:28:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:13,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:13,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:13,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 56 [2020-09-24 22:28:13,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:13,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 22:28:13,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:13,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:13,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:13,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:28:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:13,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:13,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:13,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 22:28:13,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:13,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 22:28:13,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:13,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:13,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:13,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:13,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:13,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 22:28:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:13,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:13,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:13,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 22:28:13,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:13,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 22:28:13,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:13,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:13,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:13,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:13,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 22:28:13,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 22:28:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:13,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:13,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:13,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 22:28:13,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:13,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:28:13,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:13,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:13,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:13,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:13,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:13,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 22:28:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:13,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:13,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:13,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 22:28:13,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:13,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 22:28:13,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:13,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:13,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:13,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:13,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:13,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 22:28:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:13,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:13,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:13,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 22:28:13,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:13,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 22:28:13,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 22:28:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:13,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 22:28:13,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:13,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-24 22:28:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:13,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:13,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:13,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:28:13,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:13,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:28:13,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:13,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:28:13,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:13,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:28:13,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:13,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-09-24 22:28:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:13,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:13,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 22:28:13,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 22:28:13,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 22:28:13,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 22:28:13,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER [2020-09-24 22:28:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 22:28:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 22:28:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 22:28:13,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 22:28:13,246 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-24 22:28:13,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861637285] [2020-09-24 22:28:13,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 22:28:13,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 22:28:13,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073713355] [2020-09-24 22:28:13,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 22:28:13,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 22:28:13,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 22:28:13,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-24 22:28:13,250 INFO L87 Difference]: Start difference. First operand 529 states and 624 transitions. Second operand 8 states. [2020-09-24 22:28:13,971 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-24 22:28:19,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 22:28:19,661 INFO L93 Difference]: Finished difference Result 1039 states and 1363 transitions. [2020-09-24 22:28:19,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 22:28:19,661 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 290 [2020-09-24 22:28:19,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 22:28:19,670 INFO L225 Difference]: With dead ends: 1039 [2020-09-24 22:28:19,670 INFO L226 Difference]: Without dead ends: 1036 [2020-09-24 22:28:19,672 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2020-09-24 22:28:19,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2020-09-24 22:28:19,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 857. [2020-09-24 22:28:19,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2020-09-24 22:28:19,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1050 transitions. [2020-09-24 22:28:19,813 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1050 transitions. Word has length 290 [2020-09-24 22:28:19,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 22:28:19,815 INFO L479 AbstractCegarLoop]: Abstraction has 857 states and 1050 transitions. [2020-09-24 22:28:19,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 22:28:19,815 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1050 transitions. [2020-09-24 22:28:19,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2020-09-24 22:28:19,825 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 22:28:19,825 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 22:28:19,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 22:28:19,826 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 22:28:19,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 22:28:19,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1505054171, now seen corresponding path program 1 times [2020-09-24 22:28:19,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 22:28:19,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [63249399] [2020-09-24 22:28:19,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 22:28:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 22:28:19,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:20,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:20,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 22:28:20,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking...