/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --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_spec1_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 10:51:58,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:51:58,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:51:58,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:51:58,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:51:58,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:51:58,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:51:58,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:51:58,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:51:58,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:51:58,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:51:58,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:51:58,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:51:58,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:51:58,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:51:58,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:51:58,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:51:58,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:51:58,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:51:58,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:51:58,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:51:58,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:51:58,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:51:58,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:51:58,770 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:51:58,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:51:58,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:51:58,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:51:58,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:51:58,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:51:58,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:51:58,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:51:58,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:51:58,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:51:58,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:51:58,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:51:58,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:51:58,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:51:58,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:51:58,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:51:58,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:51:58,781 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 10:51:58,806 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:51:58,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:51:58,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:51:58,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:51:58,808 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:51:58,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:51:58,808 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 10:51:58,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:51:58,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 10:51:58,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:51:58,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:51:58,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:51:58,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:51:58,810 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 10:51:58,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:51:58,810 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:51:58,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:51:58,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:51:58,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:51:58,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:51:58,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:51:58,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:51:58,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:51:58,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:51:58,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:51:58,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:51:58,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:51:58,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:51:58,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:51:58,813 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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;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=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true; [2020-09-25 10:51:59,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:51:59,303 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:51:59,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:51:59,309 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:51:59,311 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:51:59,312 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_productSimulator.cil.c [2020-09-25 10:51:59,404 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1bad3cb89/61b4544a261f48a89a08d79ded0fa38e/FLAGa6c91ec34 [2020-09-25 10:52:00,085 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:52:00,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_productSimulator.cil.c [2020-09-25 10:52:00,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1bad3cb89/61b4544a261f48a89a08d79ded0fa38e/FLAGa6c91ec34 [2020-09-25 10:52:00,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1bad3cb89/61b4544a261f48a89a08d79ded0fa38e [2020-09-25 10:52:00,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:52:00,310 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:52:00,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:52:00,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:52:00,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:52:00,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:52:00" (1/1) ... [2020-09-25 10:52:00,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:00, skipping insertion in model container [2020-09-25 10:52:00,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:52:00" (1/1) ... [2020-09-25 10:52:00,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:52:00,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:52:00,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:52:00,980 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:52:01,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:52:01,171 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:52:01,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:01 WrapperNode [2020-09-25 10:52:01,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:52:01,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:52:01,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:52:01,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:52:01,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:01" (1/1) ... [2020-09-25 10:52:01,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:01" (1/1) ... [2020-09-25 10:52:01,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:01" (1/1) ... [2020-09-25 10:52:01,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:01" (1/1) ... [2020-09-25 10:52:01,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:01" (1/1) ... [2020-09-25 10:52:01,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:01" (1/1) ... [2020-09-25 10:52:01,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:01" (1/1) ... [2020-09-25 10:52:01,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:52:01,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:52:01,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:52:01,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:52:01,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:52:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:52:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:52:01,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 10:52:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 10:52:01,398 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 10:52:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__highWaterSensor [2020-09-25 10:52:01,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__highWaterSensor [2020-09-25 10:52:01,400 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__lowWaterSensor [2020-09-25 10:52:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__lowWaterSensor [2020-09-25 10:52:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__before__methaneAlarm [2020-09-25 10:52:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__role__methaneAlarm [2020-09-25 10:52:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 10:52:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__before__methaneQuery [2020-09-25 10:52:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__role__methaneQuery [2020-09-25 10:52:01,402 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 10:52:01,403 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 10:52:01,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 10:52:01,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 10:52:01,403 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 10:52:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 10:52:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 10:52:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 10:52:01,404 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 10:52:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 10:52:01,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 10:52:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 10:52:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 10:52:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 10:52:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 10:52:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 10:52:01,406 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 10:52:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 10:52:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 10:52:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 10:52:01,407 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 10:52:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 10:52:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 10:52:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 10:52:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 10:52:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 10:52:01,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 10:52:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 10:52:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 10:52:01,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 10:52:01,410 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 10:52:01,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 10:52:01,411 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 10:52:01,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:52:01,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:52:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:52:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 10:52:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 10:52:01,412 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 10:52:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 10:52:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 10:52:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 10:52:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 10:52:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 10:52:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 10:52:01,413 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 10:52:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 10:52:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 10:52:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 10:52:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 10:52:01,414 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 10:52:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 10:52:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 10:52:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 10:52:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 10:52:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__highWaterSensor [2020-09-25 10:52:01,416 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 10:52:01,417 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__highWaterSensor [2020-09-25 10:52:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__lowWaterSensor [2020-09-25 10:52:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 10:52:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__lowWaterSensor [2020-09-25 10:52:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__before__methaneAlarm [2020-09-25 10:52:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 10:52:01,418 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__role__methaneAlarm [2020-09-25 10:52:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__before__methaneQuery [2020-09-25 10:52:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__role__methaneQuery [2020-09-25 10:52:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:52:01,419 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 10:52:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:52:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:52:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 10:52:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:52:01,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:52:01,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:52:01,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:52:01,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 10:52:01,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:52:01,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 10:52:01,421 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 10:52:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:52:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 10:52:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 10:52:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 10:52:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 10:52:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 10:52:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 10:52:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 10:52:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 10:52:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 10:52:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 10:52:01,423 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 10:52:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 10:52:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:52:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:52:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:52:01,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:52:02,700 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:52:02,701 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 10:52:02,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:52:02 BoogieIcfgContainer [2020-09-25 10:52:02,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:52:02,715 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:52:02,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:52:02,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:52:02,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:52:00" (1/3) ... [2020-09-25 10:52:02,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469fb06a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:52:02, skipping insertion in model container [2020-09-25 10:52:02,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:52:01" (2/3) ... [2020-09-25 10:52:02,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@469fb06a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:52:02, skipping insertion in model container [2020-09-25 10:52:02,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:52:02" (3/3) ... [2020-09-25 10:52:02,727 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_productSimulator.cil.c [2020-09-25 10:52:02,739 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:52:02,755 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:52:02,777 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:52:02,813 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:52:02,814 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:52:02,814 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:52:02,814 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:52:02,814 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:52:02,814 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:52:02,815 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:52:02,815 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:52:02,845 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states. [2020-09-25 10:52:02,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2020-09-25 10:52:02,868 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:52:02,869 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:52:02,870 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:52:02,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:52:02,876 INFO L82 PathProgramCache]: Analyzing trace with hash -539985006, now seen corresponding path program 1 times [2020-09-25 10:52:02,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:52:02,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1344934449] [2020-09-25 10:52:02,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:52:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:03,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:03,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:05,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:06,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:06,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:08,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:08,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-25 10:52:08,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 10:52:08,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-09-25 10:52:08,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:08,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:08,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 10:52:08,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-09-25 10:52:08,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 148 [2020-09-25 10:52:08,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 10:52:08,810 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 10:52:08,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:52:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:08,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:09,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:09,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 10:52:09,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:09,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 277 [2020-09-25 10:52:09,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:09,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:09,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:09,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:09,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-25 10:52:09,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:09,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 10:52:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:09,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:09,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:09,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:52:09,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:09,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:52:09,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:09,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:09,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:09,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:09,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:52:09,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:09,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 10:52:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:09,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:09,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:09,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 10:52:09,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:09,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-25 10:52:09,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:09,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:09,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 10:52:09,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:09,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:52:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:09,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:09,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:09,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:09,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:09,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:09,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:09,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:09,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:09,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:09,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:09,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:09,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:52:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:09,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:09,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:09,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:09,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:09,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:52:09,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:09,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:09,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:09,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:09,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:09,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:09,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 10:52:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:09,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:09,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:09,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:09,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:09,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:09,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:09,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:09,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:09,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:09,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:09,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:09,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 10:52:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:09,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:09,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:09,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:09,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:09,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:52:09,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:09,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:09,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:09,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:09,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:09,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:09,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 10:52:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:09,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:09,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:09,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:09,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:09,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:09,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:09,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:09,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:09,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:09,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:09,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:09,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 10:52:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:09,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:09,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:09,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:09,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:09,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:09,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:09,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:09,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:09,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:09,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:09,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:09,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 10:52:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:09,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:09,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:09,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:09,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:09,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:52:09,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:09,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:09,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:09,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:09,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:52:09,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:09,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 10:52:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:09,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:09,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:09,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:52:09,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:09,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:52:09,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:09,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:09,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:09,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:09,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:52:09,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:09,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 10:52:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:09,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:09,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:09,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:09,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:09,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:09,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:09,534 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:09,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:09,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:52:09,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:09,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:09,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-25 10:52:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:09,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:09,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:09,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:09,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:09,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:52:09,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:09,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:09,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:52:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:09,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:09,606 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 10:52:09,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1344934449] [2020-09-25 10:52:09,609 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:52:09,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 10:52:09,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823000735] [2020-09-25 10:52:09,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 10:52:09,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:52:09,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 10:52:09,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 10:52:09,640 INFO L87 Difference]: Start difference. First operand 415 states. Second operand 6 states. [2020-09-25 10:52:10,296 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 10:52:14,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:52:14,568 INFO L93 Difference]: Finished difference Result 922 states and 1133 transitions. [2020-09-25 10:52:14,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 10:52:14,570 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 224 [2020-09-25 10:52:14,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:52:14,596 INFO L225 Difference]: With dead ends: 922 [2020-09-25 10:52:14,596 INFO L226 Difference]: Without dead ends: 664 [2020-09-25 10:52:14,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 10:52:14,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2020-09-25 10:52:14,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 566. [2020-09-25 10:52:14,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2020-09-25 10:52:14,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 654 transitions. [2020-09-25 10:52:14,830 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 654 transitions. Word has length 224 [2020-09-25 10:52:14,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:52:14,831 INFO L479 AbstractCegarLoop]: Abstraction has 566 states and 654 transitions. [2020-09-25 10:52:14,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 10:52:14,832 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 654 transitions. [2020-09-25 10:52:14,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-09-25 10:52:14,839 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:52:14,840 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] [2020-09-25 10:52:14,840 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:52:14,840 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:52:14,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:52:14,841 INFO L82 PathProgramCache]: Analyzing trace with hash -681909170, now seen corresponding path program 1 times [2020-09-25 10:52:14,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:52:14,841 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639306331] [2020-09-25 10:52:14,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:52:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:14,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:15,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:16,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:16,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:20,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:20,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-09-25 10:52:20,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 10:52:20,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5092 [2020-09-25 10:52:20,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:20,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:20,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 10:52:20,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-25 10:52:20,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 186 [2020-09-25 10:52:20,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:20,390 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 10:52:20,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:52:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:20,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:20,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:20,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 10:52:20,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:20,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 249 [2020-09-25 10:52:20,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:20,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:20,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:20,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 10:52:20,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:20,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 10:52:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:20,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:20,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:20,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:52:20,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:20,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:52:20,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:20,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:20,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:20,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:20,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:52:20,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:20,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 10:52:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:20,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:20,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:20,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 10:52:20,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:20,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 10:52:20,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:20,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:20,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:20,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:20,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 10:52:20,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:20,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:52:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:20,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:20,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:20,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:20,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:20,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:20,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:20,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:20,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:20,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:20,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:20,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:20,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:52:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:20,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:20,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:20,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:20,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:20,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:20,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:20,883 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:20,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:20,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:20,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:20,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:20,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 10:52:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:20,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:20,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:20,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:20,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:20,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:20,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:20,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:20,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:20,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:20,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:20,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:20,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 10:52:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:20,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:20,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:20,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:20,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:20,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:20,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:20,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:20,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:20,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:20,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:20,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:20,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 10:52:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:20,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:20,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:20,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:20,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:20,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:52:20,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:20,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:20,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:20,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:20,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:20,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:20,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 10:52:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:20,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:20,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:20,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:20,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:20,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:20,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:20,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:20,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:20,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:20,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:20,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:20,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 10:52:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:20,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:20,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:20,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:20,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:20,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:52:20,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:20,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:20,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:20,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:20,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:52:20,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:20,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 10:52:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:20,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:20,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:20,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:52:20,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:20,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:52:20,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:20,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:20,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:20,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:20,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:52:20,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:20,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 10:52:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:20,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:20,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:20,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-25 10:52:20,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:20,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:52:20,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:20,970 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:20,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:20,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:20,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 10:52:20,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:20,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:52:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:20,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:20,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:20,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 10:52:20,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:20,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:20,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:20,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:20,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:20,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:20,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:20,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:20,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:52:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:20,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:20,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:20,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:20,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:20,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:52:20,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:20,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:20,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:20,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:20,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:52:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:20,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:20,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:20,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:52:20,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:20,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 10:52:20,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:20,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:20,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:20,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:20,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:20,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:20,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-09-25 10:52:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:21,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:21,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:21,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:21,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:21,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 10:52:21,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:21,016 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:21,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:52:21,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:21,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:52:21,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:21,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-25 10:52:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:21,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:21,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:21,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:21,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:21,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:21,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:21,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:21,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:21,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 10:52:21,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:21,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 10:52:21,136 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 10:52:21,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639306331] [2020-09-25 10:52:21,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:52:21,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 10:52:21,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029666294] [2020-09-25 10:52:21,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 10:52:21,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:52:21,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 10:52:21,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 10:52:21,143 INFO L87 Difference]: Start difference. First operand 566 states and 654 transitions. Second operand 11 states. [2020-09-25 10:52:21,877 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 10:52:23,582 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 10:52:24,037 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-25 10:52:25,541 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 10:52:25,962 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 10:52:26,478 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 10:52:27,005 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-25 10:52:27,411 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 10:52:28,056 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 10:52:31,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:52:31,090 INFO L93 Difference]: Finished difference Result 1665 states and 2104 transitions. [2020-09-25 10:52:31,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-25 10:52:31,090 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 240 [2020-09-25 10:52:31,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:52:31,112 INFO L225 Difference]: With dead ends: 1665 [2020-09-25 10:52:31,112 INFO L226 Difference]: Without dead ends: 1204 [2020-09-25 10:52:31,122 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=218, Invalid=538, Unknown=0, NotChecked=0, Total=756 [2020-09-25 10:52:31,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2020-09-25 10:52:31,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 933. [2020-09-25 10:52:31,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2020-09-25 10:52:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1095 transitions. [2020-09-25 10:52:31,336 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1095 transitions. Word has length 240 [2020-09-25 10:52:31,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:52:31,337 INFO L479 AbstractCegarLoop]: Abstraction has 933 states and 1095 transitions. [2020-09-25 10:52:31,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 10:52:31,337 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1095 transitions. [2020-09-25 10:52:31,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-09-25 10:52:31,342 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:52:31,343 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] [2020-09-25 10:52:31,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:52:31,343 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:52:31,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:52:31,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1229880781, now seen corresponding path program 1 times [2020-09-25 10:52:31,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:52:31,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1754214430] [2020-09-25 10:52:31,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:52:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:31,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:31,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:32,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:35,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:35,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 294 [2020-09-25 10:52:35,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:52:35,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4328 [2020-09-25 10:52:35,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:35,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:35,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 10:52:35,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 85 [2020-09-25 10:52:35,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-09-25 10:52:35,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:36,143 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-25 10:52:36,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:52:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:36,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:36,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:36,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 10:52:36,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:36,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 266 [2020-09-25 10:52:36,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:36,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:36,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:36,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:36,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-25 10:52:36,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:36,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-25 10:52:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:36,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:36,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:36,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:52:36,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:36,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 10:52:36,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:36,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:36,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:36,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:36,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:52:36,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:36,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-25 10:52:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:36,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:36,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:36,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-09-25 10:52:36,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:36,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-25 10:52:36,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:36,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:36,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:36,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:36,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 10:52:36,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:36,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:52:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:36,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:36,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:36,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:36,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:36,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:36,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:36,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:36,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:36,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:36,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:36,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:36,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-25 10:52:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:36,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:36,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:36,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:36,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:36,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 10:52:36,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:36,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:36,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:36,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:36,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:36,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:36,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 10:52:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:36,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:36,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:36,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:36,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:36,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:36,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:36,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:36,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:36,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:36,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:36,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:36,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 10:52:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:36,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:36,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:36,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:36,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:36,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:36,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:36,699 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:36,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:36,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:36,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:36,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:36,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-25 10:52:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:36,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:36,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:36,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:36,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:36,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 10:52:36,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:36,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:36,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:36,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:36,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:36,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:36,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-25 10:52:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:36,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:36,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:36,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:52:36,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:36,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 10:52:36,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:36,720 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:36,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:52:36,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:36,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:52:36,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:36,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-25 10:52:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:36,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:36,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:36,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:36,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:36,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:52:36,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:36,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:36,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:36,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:36,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:52:36,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:36,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 10:52:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:36,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:36,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:36,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 10:52:36,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:36,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 10:52:36,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:36,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:36,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:36,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:52:36,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:36,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-09-25 10:52:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:36,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:36,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:36,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:52:36,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:36,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 10:52:36,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:36,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:36,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 10:52:36,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:36,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-25 10:52:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:36,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:36,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:36,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:36,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 10:52:36,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:52:36,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 10:52:36,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:36,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:36,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 10:52:36,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 10:52:36,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 10:52:36,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:36,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-25 10:52:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:36,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:36,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:36,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:36,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:36,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 10:52:36,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:36,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:36,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:52:36,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:36,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:52:36,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:36,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-25 10:52:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:36,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:36,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:52:36,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:52:36,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:52:36,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:52:36,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:52:36,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-09-25 10:52:36,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 10:52:36,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:52:36,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 10:52:36,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:52:37,076 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2020-09-25 10:52:37,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1754214430] [2020-09-25 10:52:37,077 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:52:37,077 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-25 10:52:37,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459620213] [2020-09-25 10:52:37,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 10:52:37,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:52:37,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 10:52:37,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-09-25 10:52:37,080 INFO L87 Difference]: Start difference. First operand 933 states and 1095 transitions. Second operand 13 states. [2020-09-25 10:52:37,916 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-25 10:52:40,575 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-09-25 10:52:41,266 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2020-09-25 10:52:41,696 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 10:52:42,100 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 10:52:42,496 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-25 10:52:43,528 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-09-25 10:52:43,870 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-09-25 10:52:44,374 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-25 10:52:48,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:52:48,496 INFO L93 Difference]: Finished difference Result 2736 states and 3638 transitions. [2020-09-25 10:52:48,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-09-25 10:52:48,496 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 249 [2020-09-25 10:52:48,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:52:48,509 INFO L225 Difference]: With dead ends: 2736 [2020-09-25 10:52:48,509 INFO L226 Difference]: Without dead ends: 1955 [2020-09-25 10:52:48,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=478, Invalid=1244, Unknown=0, NotChecked=0, Total=1722 [2020-09-25 10:52:48,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2020-09-25 10:52:48,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1479. [2020-09-25 10:52:48,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1479 states. [2020-09-25 10:52:48,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 1807 transitions. [2020-09-25 10:52:48,809 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 1807 transitions. Word has length 249 [2020-09-25 10:52:48,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:52:48,810 INFO L479 AbstractCegarLoop]: Abstraction has 1479 states and 1807 transitions. [2020-09-25 10:52:48,810 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 10:52:48,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1807 transitions. [2020-09-25 10:52:48,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-09-25 10:52:48,828 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:52:48,829 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 10:52:48,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:52:48,829 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:52:48,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:52:48,830 INFO L82 PathProgramCache]: Analyzing trace with hash 670260795, now seen corresponding path program 1 times [2020-09-25 10:52:48,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:52:48,830 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139641390] [2020-09-25 10:52:48,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:52:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:52:48,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:49,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:49,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:49,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:52:49,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking...