/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=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:09:34,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:09:34,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:09:34,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:09:34,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:09:34,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:09:34,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:09:34,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:09:34,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:09:34,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:09:34,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:09:34,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:09:34,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:09:34,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:09:34,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:09:34,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:09:34,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:09:34,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:09:34,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:09:34,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:09:34,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:09:34,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:09:34,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:09:34,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:09:34,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:09:34,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:09:34,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:09:34,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:09:34,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:09:34,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:09:34,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:09:34,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:09:34,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:09:34,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:09:34,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:09:34,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:09:34,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:09:34,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:09:34,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:09:34,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:09:34,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:09:34,591 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 13:09:34,643 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:09:34,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:09:34,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:09:34,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:09:34,646 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:09:34,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:09:34,647 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:09:34,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:09:34,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:09:34,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:09:34,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:09:34,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:09:34,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:09:34,650 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:09:34,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:09:34,650 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:09:34,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:09:34,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:09:34,652 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:09:34,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:09:34,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:09:34,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:09:34,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:09:34,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:09:34,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:09:34,653 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:09:34,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:09:34,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:09:34,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:09:34,654 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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;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=0.4;log-additional-information=true; [2020-09-25 13:09:35,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:09:35,118 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:09:35,122 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:09:35,124 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:09:35,125 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:09:35,126 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-09-25 13:09:35,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7733415ab/7ff954f88755466eb79f1b1ba05966a3/FLAG41446269c [2020-09-25 13:09:35,832 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:09:35,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product43.cil.c [2020-09-25 13:09:35,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7733415ab/7ff954f88755466eb79f1b1ba05966a3/FLAG41446269c [2020-09-25 13:09:36,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7733415ab/7ff954f88755466eb79f1b1ba05966a3 [2020-09-25 13:09:36,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:09:36,164 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:09:36,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:09:36,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:09:36,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:09:36,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:09:36" (1/1) ... [2020-09-25 13:09:36,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217e3fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:36, skipping insertion in model container [2020-09-25 13:09:36,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:09:36" (1/1) ... [2020-09-25 13:09:36,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:09:36,242 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:09:36,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:09:36,758 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:09:36,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:09:36,918 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:09:36,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:36 WrapperNode [2020-09-25 13:09:36,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:09:36,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:09:36,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:09:36,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:09:36,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:36" (1/1) ... [2020-09-25 13:09:36,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:36" (1/1) ... [2020-09-25 13:09:36,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:36" (1/1) ... [2020-09-25 13:09:36,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:36" (1/1) ... [2020-09-25 13:09:36,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:36" (1/1) ... [2020-09-25 13:09:37,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:36" (1/1) ... [2020-09-25 13:09:37,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:36" (1/1) ... [2020-09-25 13:09:37,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:09:37,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:09:37,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:09:37,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:09:37,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:36" (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 13:09:37,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:09:37,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:09:37,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:09:37,132 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:09:37,132 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:09:37,132 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:09:37,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:09:37,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:09:37,134 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:09:37,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 13:09:37,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:09:37,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:09:37,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:09:37,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:09:37,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:09:37,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:09:37,136 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:09:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:09:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:09:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:09:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:09:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:09:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:09:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:09:37,138 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:09:37,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:09:37,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:09:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:09:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:09:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:09:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:09:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-25 13:09:37,140 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:09:37,141 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:09:37,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:09:37,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:09:37,141 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:09:37,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 13:09:37,141 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 13:09:37,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:09:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:09:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:09:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:09:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:09:37,142 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:09:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:09:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:09:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:09:37,143 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:09:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 13:09:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:09:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:09:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:09:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:09:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:09:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:09:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:09:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:09:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:09:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:09:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:09:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:09:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:09:37,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:09:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:09:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:09:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:09:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:09:37,147 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:09:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:09:37,148 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:09:37,149 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:09:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 13:09:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:09:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:09:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:09:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:09:37,150 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:09:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:09:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:09:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:09:37,151 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:09:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 13:09:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 13:09:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:09:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:09:37,152 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:09:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:09:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 13:09:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-25 13:09:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:09:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:09:37,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:09:37,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:09:38,326 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:09:38,326 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:09:38,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:09:38 BoogieIcfgContainer [2020-09-25 13:09:38,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:09:38,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:09:38,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:09:38,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:09:38,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:09:36" (1/3) ... [2020-09-25 13:09:38,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c92986e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:09:38, skipping insertion in model container [2020-09-25 13:09:38,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:09:36" (2/3) ... [2020-09-25 13:09:38,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c92986e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:09:38, skipping insertion in model container [2020-09-25 13:09:38,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:09:38" (3/3) ... [2020-09-25 13:09:38,356 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product43.cil.c [2020-09-25 13:09:38,368 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:09:38,383 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:09:38,406 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:09:38,452 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:09:38,452 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:09:38,452 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:09:38,452 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:09:38,453 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:09:38,453 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:09:38,453 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:09:38,454 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:09:38,501 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-09-25 13:09:38,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 13:09:38,535 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:09:38,537 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:09:38,537 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:09:38,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:09:38,548 INFO L82 PathProgramCache]: Analyzing trace with hash 712153127, now seen corresponding path program 1 times [2020-09-25 13:09:38,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:09:38,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [828796330] [2020-09-25 13:09:38,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:09:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:39,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:39,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:40,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:41,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:42,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:43,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:43,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 13:09:43,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:09:43,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 13:09:43,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:43,969 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:09:43,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 83 [2020-09-25 13:09:43,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-09-25 13:09:43,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 13:09:44,566 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:09:44,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:09:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:44,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:44,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:44,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:09:44,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:44,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 292 [2020-09-25 13:09:44,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:44,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 13:09:44,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:44,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:09:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:44,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:44,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:44,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:44,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:44,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:44,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:44,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:44,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:44,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:09:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:44,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:44,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:44,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:44,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:44,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:44,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:44,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:44,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:45,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:45,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:09:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:45,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:45,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:45,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:45,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:45,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:09:45,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:45,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:45,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:45,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:45,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:09:45,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:45,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:09:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:45,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:45,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:45,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:45,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:45,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:09:45,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:45,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:45,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:45,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:45,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:09:45,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:45,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:09:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:45,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:45,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:45,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:09:45,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:45,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:45,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:45,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:45,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:45,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:45,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:09:45,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:45,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 13:09:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:45,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:45,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:45,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:45,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:45,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:45,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:45,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:45,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:45,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:09:45,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:45,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:45,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 13:09:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:45,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:45,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:45,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:45,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:45,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:09:45,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:45,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:45,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:45,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:09:45,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:45,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:45,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:09:45,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [828796330] [2020-09-25 13:09:45,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:09:45,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:09:45,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88746626] [2020-09-25 13:09:45,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:09:45,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:09:45,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:09:45,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:09:45,148 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 5 states. [2020-09-25 13:09:45,871 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:09:48,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:09:48,040 INFO L93 Difference]: Finished difference Result 659 states and 788 transitions. [2020-09-25 13:09:48,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:09:48,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 13:09:48,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:09:48,068 INFO L225 Difference]: With dead ends: 659 [2020-09-25 13:09:48,069 INFO L226 Difference]: Without dead ends: 470 [2020-09-25 13:09:48,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:09:48,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2020-09-25 13:09:48,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 397. [2020-09-25 13:09:48,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-09-25 13:09:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 440 transitions. [2020-09-25 13:09:48,265 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 440 transitions. Word has length 148 [2020-09-25 13:09:48,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:09:48,266 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 440 transitions. [2020-09-25 13:09:48,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:09:48,267 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 440 transitions. [2020-09-25 13:09:48,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 13:09:48,272 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:09:48,273 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:09:48,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:09:48,273 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:09:48,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:09:48,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1258398731, now seen corresponding path program 1 times [2020-09-25 13:09:48,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:09:48,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [498873813] [2020-09-25 13:09:48,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:09:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:48,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:48,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:48,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:51,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:52,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:53,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:53,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 13:09:53,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:09:53,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 13:09:53,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:53,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:53,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 13:09:53,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 13:09:53,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 13:09:53,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:53,705 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:09:53,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:09:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:53,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:53,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:53,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:09:53,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:53,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 113 [2020-09-25 13:09:53,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:53,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:53,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:53,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:53,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:53,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:53,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:09:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:53,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:53,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:53,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:53,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:53,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:53,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:53,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:53,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:53,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:53,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:53,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:53,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:09:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:53,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:53,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:53,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:53,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:53,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:53,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:53,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:53,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:53,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:53,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:53,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:09:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:53,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:53,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:53,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:53,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:53,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:53,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:53,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:53,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:53,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:53,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:53,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:53,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:09:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:53,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:53,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:53,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:53,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:53,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:09:53,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:53,911 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:53,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:53,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:53,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:53,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:53,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:09:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:53,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:53,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:53,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:09:53,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:53,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:53,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:53,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:53,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:53,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:53,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 13:09:53,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:53,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 13:09:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:53,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:53,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:53,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:09:53,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:53,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:09:53,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:53,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:53,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:53,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:53,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 13:09:53,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:54,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:09:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:54,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:54,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:54,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:09:54,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:54,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:54,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:54,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:09:54,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:54,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:09:54,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:54,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:09:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:54,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:54,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:54,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:54,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:54,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:09:54,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:54,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:54,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:54,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:54,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:09:54,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:54,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 13:09:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:54,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:54,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:09:54,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:09:54,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:09:54,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:09:54,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:09:54,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:09:54,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:09:54,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:09:54,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:09:54,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:09:54,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 13:09:54,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [498873813] [2020-09-25 13:09:54,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:09:54,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:09:54,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777169477] [2020-09-25 13:09:54,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:09:54,078 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:09:54,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:09:54,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:09:54,079 INFO L87 Difference]: Start difference. First operand 397 states and 440 transitions. Second operand 6 states. [2020-09-25 13:09:54,676 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:09:57,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:09:57,271 INFO L93 Difference]: Finished difference Result 1018 states and 1337 transitions. [2020-09-25 13:09:57,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 13:09:57,272 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-09-25 13:09:57,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:09:57,286 INFO L225 Difference]: With dead ends: 1018 [2020-09-25 13:09:57,286 INFO L226 Difference]: Without dead ends: 1015 [2020-09-25 13:09:57,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:09:57,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2020-09-25 13:09:57,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 682. [2020-09-25 13:09:57,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2020-09-25 13:09:57,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 779 transitions. [2020-09-25 13:09:57,446 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 779 transitions. Word has length 157 [2020-09-25 13:09:57,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:09:57,447 INFO L479 AbstractCegarLoop]: Abstraction has 682 states and 779 transitions. [2020-09-25 13:09:57,447 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:09:57,447 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 779 transitions. [2020-09-25 13:09:57,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-25 13:09:57,453 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:09:57,454 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:09:57,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:09:57,454 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:09:57,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:09:57,455 INFO L82 PathProgramCache]: Analyzing trace with hash -1755624222, now seen corresponding path program 1 times [2020-09-25 13:09:57,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:09:57,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534431997] [2020-09-25 13:09:57,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:09:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:09:57,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:57,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:57,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:57,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:58,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:09:59,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:00,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:00,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:02,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:02,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:02,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-25 13:10:02,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-09-25 13:10:02,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-09-25 13:10:02,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:02,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:02,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:02,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-25 13:10:02,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-25 13:10:02,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:02,902 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:10:02,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:10:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:02,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:03,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:10:03,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:03,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 13:10:03,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:03,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:03,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:03,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:03,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:03,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 13:10:03,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:10:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:03,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:03,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:03,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:03,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:03,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:03,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:03,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:03,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:03,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:03,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:03,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:10:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:03,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:03,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:03,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:03,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:03,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:03,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:03,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:03,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:03,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:03,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:03,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:10:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:03,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:03,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:03,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:03,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:03,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:03,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:03,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:03,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:03,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:03,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:03,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:10:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:03,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:03,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:03,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:03,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:03,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:03,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:03,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:03,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:03,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:03,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:03,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:10:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:03,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:03,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:03,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:03,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:03,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:03,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:03,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:03,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:03,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:03,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:03,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:10:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:03,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:03,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 13:10:03,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:10:03,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 185 [2020-09-25 13:10:03,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:03,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:03,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:03,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:03,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-09-25 13:10:03,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:03,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:03,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:03,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:10:03,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:03,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:10:03,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:03,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:03,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:03,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:03,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:03,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:03,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:03,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:03,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:03,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:03,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:03,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:03,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:03,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:03,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 13:10:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:03,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:03,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 13:10:03,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:03,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 13:10:03,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:03,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:03,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:03,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:03,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:03,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:03,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:03,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:03,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:03,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:03,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:03,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:03,441 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:03,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:03,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:03,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:03,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:03,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 13:10:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:03,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:03,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:03,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:03,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:03,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:03,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:03,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:03,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:03,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 13:10:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:03,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:03,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:10:03,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:03,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:10:03,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:03,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:03,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:03,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 13:10:03,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:03,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:03,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:03,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:03,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:03,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:03,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:03,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:03,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:03,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:03,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:03,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:03,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:03,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 13:10:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:03,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:03,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:03,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:03,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:10:03,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:03,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:03,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:03,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:03,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:03,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:03,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 13:10:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:03,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:03,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:03,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:03,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:03,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:03,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:03,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:03,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:03,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:03,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:03,534 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-09-25 13:10:03,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534431997] [2020-09-25 13:10:03,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:10:03,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 13:10:03,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389173721] [2020-09-25 13:10:03,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 13:10:03,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:10:03,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 13:10:03,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:10:03,540 INFO L87 Difference]: Start difference. First operand 682 states and 779 transitions. Second operand 7 states. [2020-09-25 13:10:04,206 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:10:05,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:10:05,636 INFO L93 Difference]: Finished difference Result 1273 states and 1537 transitions. [2020-09-25 13:10:05,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 13:10:05,637 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 211 [2020-09-25 13:10:05,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:10:05,644 INFO L225 Difference]: With dead ends: 1273 [2020-09-25 13:10:05,645 INFO L226 Difference]: Without dead ends: 844 [2020-09-25 13:10:05,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2020-09-25 13:10:05,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2020-09-25 13:10:05,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 642. [2020-09-25 13:10:05,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 642 states. [2020-09-25 13:10:05,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 719 transitions. [2020-09-25 13:10:05,737 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 719 transitions. Word has length 211 [2020-09-25 13:10:05,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:10:05,738 INFO L479 AbstractCegarLoop]: Abstraction has 642 states and 719 transitions. [2020-09-25 13:10:05,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 13:10:05,738 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 719 transitions. [2020-09-25 13:10:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 13:10:05,742 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:10:05,742 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:10:05,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:10:05,743 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:10:05,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:10:05,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1289005216, now seen corresponding path program 1 times [2020-09-25 13:10:05,744 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:10:05,744 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1530861926] [2020-09-25 13:10:05,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:10:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:05,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:05,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:06,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:06,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:09,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:10,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:10,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-09-25 13:10:10,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:10:10,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-09-25 13:10:10,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:10,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:10,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 13:10:10,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 13:10:10,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 105 [2020-09-25 13:10:10,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:11,222 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:10:11,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:10:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:11,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:11,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:11,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:10:11,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:11,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 191 [2020-09-25 13:10:11,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:11,443 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:11,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:11,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:11,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 13:10:11,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:11,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:10:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:11,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:11,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:11,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:11,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:11,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:11,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:11,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:11,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:11,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:11,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:11,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:11,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:10:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:11,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:11,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:11,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:11,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:11,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:11,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:11,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:11,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:11,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:11,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:11,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:11,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:10:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:11,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:11,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:11,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:11,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:11,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:10:11,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:11,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:11,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:11,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:11,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:11,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:11,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:10:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:11,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:11,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:11,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:10:11,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:11,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:11,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:11,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:11,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:11,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:11,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:10:11,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:11,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:10:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:11,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:11,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:11,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:10:11,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:11,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:11,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:11,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:11,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:11,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:11,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:10:11,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:11,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 13:10:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:11,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:11,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:11,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:10:11,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:11,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:11,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:11,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:11,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:11,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:11,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:10:11,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:11,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 13:10:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:11,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:11,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:11,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:11,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-25 13:10:11,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:10:11,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-09-25 13:10:11,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:11,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:11,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:10:11,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 13:10:11,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 13:10:11,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:11,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:11,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:11,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:11,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 13:10:11,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:11,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 13:10:11,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:11,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:11,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:10:11,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:11,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:10:11,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:11,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:10:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:11,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:11,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:11,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:11,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:11,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:10:11,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:11,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:11,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:10:11,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:11,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 13:10:11,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:12,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 13:10:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:12,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:12,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:12,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:12,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:12,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:10:12,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:12,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:12,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:12,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:12,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:10:12,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:12,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 13:10:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:12,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:12,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:12,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:12,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:12,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:12,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:12,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:12,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:12,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:10:12,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 13:10:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:12,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:12,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:12,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:10:12,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:12,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:10:12,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:12,069 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:12,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:10:12,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:10:12,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:10:12,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:12,127 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-25 13:10:12,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1530861926] [2020-09-25 13:10:12,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 13:10:12,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-25 13:10:12,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307072560] [2020-09-25 13:10:12,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 13:10:12,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:10:12,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 13:10:12,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-09-25 13:10:12,130 INFO L87 Difference]: Start difference. First operand 642 states and 719 transitions. Second operand 12 states. [2020-09-25 13:10:12,835 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:10:13,817 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:10:15,175 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 13:10:15,830 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-25 13:10:16,508 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 13:10:17,175 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-25 13:10:17,801 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 192 [2020-09-25 13:10:19,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:10:19,597 INFO L93 Difference]: Finished difference Result 1848 states and 2253 transitions. [2020-09-25 13:10:19,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-25 13:10:19,598 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 213 [2020-09-25 13:10:19,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:10:19,606 INFO L225 Difference]: With dead ends: 1848 [2020-09-25 13:10:19,606 INFO L226 Difference]: Without dead ends: 1321 [2020-09-25 13:10:19,609 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=254, Invalid=738, Unknown=0, NotChecked=0, Total=992 [2020-09-25 13:10:19,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1321 states. [2020-09-25 13:10:19,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1321 to 859. [2020-09-25 13:10:19,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2020-09-25 13:10:19,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 962 transitions. [2020-09-25 13:10:19,751 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 962 transitions. Word has length 213 [2020-09-25 13:10:19,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:10:19,751 INFO L479 AbstractCegarLoop]: Abstraction has 859 states and 962 transitions. [2020-09-25 13:10:19,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 13:10:19,751 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 962 transitions. [2020-09-25 13:10:19,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-25 13:10:19,757 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:10:19,758 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:10:19,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 13:10:19,758 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:10:19,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:10:19,759 INFO L82 PathProgramCache]: Analyzing trace with hash -915717474, now seen corresponding path program 1 times [2020-09-25 13:10:19,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:10:19,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [304879915] [2020-09-25 13:10:19,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:10:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:19,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:20,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:21,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:24,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:24,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:24,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:24,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:24,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-09-25 13:10:24,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 13:10:24,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-09-25 13:10:24,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:24,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:24,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 13:10:24,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 13:10:24,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-09-25 13:10:24,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:10:25,169 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:10:25,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:10:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:10:25,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:10:25,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:10:25,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:10:25,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:10:25,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-09-25 13:10:25,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:10:25,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:10:25,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:10:25,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:10:25,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 13:10:25,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0