/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=0.3 --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_spec5_product55.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:11:16,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:11:16,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:11:16,417 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:11:16,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:11:16,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:11:16,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:11:16,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:11:16,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:11:16,426 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:11:16,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:11:16,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:11:16,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:11:16,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:11:16,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:11:16,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:11:16,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:11:16,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:11:16,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:11:16,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:11:16,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:11:16,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:11:16,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:11:16,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:11:16,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:11:16,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:11:16,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:11:16,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:11:16,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:11:16,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:11:16,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:11:16,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:11:16,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:11:16,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:11:16,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:11:16,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:11:16,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:11:16,477 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:11:16,477 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:11:16,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:11:16,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:11:16,481 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 12:11:16,543 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:11:16,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:11:16,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:11:16,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:11:16,547 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:11:16,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:11:16,548 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:11:16,548 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:11:16,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:11:16,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:11:16,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:11:16,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:11:16,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:11:16,551 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:11:16,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:11:16,552 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:11:16,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:11:16,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:11:16,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:11:16,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:11:16,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:11:16,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:11:16,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:11:16,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:11:16,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:11:16,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:11:16,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:11:16,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:11:16,555 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:11:16,555 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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;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=0.3;log-additional-information=true; [2020-09-25 12:11:17,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:11:17,037 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:11:17,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:11:17,044 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:11:17,046 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:11:17,047 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-09-25 12:11:17,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c3ca0c57/9368e0659a9d44db8fd5cd111ec906e7/FLAGde04897c1 [2020-09-25 12:11:17,750 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:11:17,751 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product55.cil.c [2020-09-25 12:11:17,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c3ca0c57/9368e0659a9d44db8fd5cd111ec906e7/FLAGde04897c1 [2020-09-25 12:11:18,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c3ca0c57/9368e0659a9d44db8fd5cd111ec906e7 [2020-09-25 12:11:18,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:11:18,034 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:11:18,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:11:18,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:11:18,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:11:18,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:11:18" (1/1) ... [2020-09-25 12:11:18,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:18, skipping insertion in model container [2020-09-25 12:11:18,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:11:18" (1/1) ... [2020-09-25 12:11:18,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:11:18,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:11:18,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:11:18,650 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:11:18,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:11:18,782 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:11:18,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:18 WrapperNode [2020-09-25 12:11:18,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:11:18,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:11:18,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:11:18,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:11:18,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:18" (1/1) ... [2020-09-25 12:11:18,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:18" (1/1) ... [2020-09-25 12:11:18,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:18" (1/1) ... [2020-09-25 12:11:18,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:18" (1/1) ... [2020-09-25 12:11:18,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:18" (1/1) ... [2020-09-25 12:11:18,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:18" (1/1) ... [2020-09-25 12:11:18,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:18" (1/1) ... [2020-09-25 12:11:18,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:11:18,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:11:18,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:11:18,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:11:18,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:18" (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 12:11:19,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:11:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:11:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:11:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:11:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:11:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:11:19,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:11:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:11:19,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:11:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:11:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:11:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:11:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:11:19,040 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:11:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:11:19,041 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:11:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:11:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:11:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:11:19,042 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:11:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:11:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:11:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:11:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:11:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:11:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:11:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 12:11:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 12:11:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:11:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 12:11:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:11:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 12:11:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:11:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:11:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:11:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:11:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:11:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:11:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 12:11:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 12:11:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 12:11:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 12:11:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 12:11:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 12:11:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:11:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:11:19,048 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:11:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:11:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:11:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:11:19,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:11:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:11:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:11:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:11:19,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:11:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:11:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:11:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:11:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:11:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:11:19,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:11:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:11:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:11:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:11:19,052 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:11:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:11:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:11:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:11:19,053 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:11:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:11:19,054 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:11:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 12:11:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:11:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:11:19,056 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:11:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:11:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:11:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:11:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:11:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:11:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 12:11:19,057 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:11:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:11:19,058 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:11:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:11:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 12:11:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 12:11:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:11:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:11:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:11:19,059 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 12:11:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 12:11:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:11:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 12:11:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 12:11:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 12:11:19,060 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 12:11:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-25 12:11:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:11:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:11:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:11:19,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:11:20,223 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:11:20,223 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:11:20,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:11:20 BoogieIcfgContainer [2020-09-25 12:11:20,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:11:20,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:11:20,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:11:20,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:11:20,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:11:18" (1/3) ... [2020-09-25 12:11:20,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d710bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:11:20, skipping insertion in model container [2020-09-25 12:11:20,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:11:18" (2/3) ... [2020-09-25 12:11:20,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d710bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:11:20, skipping insertion in model container [2020-09-25 12:11:20,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:11:20" (3/3) ... [2020-09-25 12:11:20,241 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55.cil.c [2020-09-25 12:11:20,252 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:11:20,264 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:11:20,288 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:11:20,323 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:11:20,323 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:11:20,323 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:11:20,324 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:11:20,324 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:11:20,324 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:11:20,324 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:11:20,324 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:11:20,355 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states. [2020-09-25 12:11:20,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 12:11:20,376 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:11:20,377 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:11:20,378 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:11:20,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:11:20,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1837457757, now seen corresponding path program 1 times [2020-09-25 12:11:20,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:11:20,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1698281706] [2020-09-25 12:11:20,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:11:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:20,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:21,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:22,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:22,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:25,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:25,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:25,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 12:11:25,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:11:25,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 12:11:25,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:25,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:25,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:11:25,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 12:11:25,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-25 12:11:25,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 12:11:26,215 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:11:26,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:26,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:26,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:26,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:11:26,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:26,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-09-25 12:11:26,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:26,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:26,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:26,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:26,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 12:11:26,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:26,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:11:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:26,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:26,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:26,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:26,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:26,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 12:11:26,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:26,697 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:26,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:26,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:26,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:26,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:26,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:11:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:26,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:26,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:26,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:26,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:26,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:11:26,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:26,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:26,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:26,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:26,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:26,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:26,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:11:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:26,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:26,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:26,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:26,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:26,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 12:11:26,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:26,727 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:26,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:26,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:26,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:11:26,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:26,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:11:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:26,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:26,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:26,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:26,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:26,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:11:26,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:26,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:26,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:26,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:26,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:26,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:26,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:11:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:26,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:26,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:26,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:11:26,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:26,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:11:26,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:26,763 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:26,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:26,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:26,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:11:26,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:26,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 12:11:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:26,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:26,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:26,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:11:26,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:26,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:11:26,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:26,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:26,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:26,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:26,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:11:26,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:26,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:26,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:26,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:26,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:26,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:26,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:26,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:26,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:26,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:26,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:26,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:26,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 12:11:26,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 12:11:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:26,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:26,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:26,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:26,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:26,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:11:26,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:26,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:26,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:26,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:26,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:26,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 12:11:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:26,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:26,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:26,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:26,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:26,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:26,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:26,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:26,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:26,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:26,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:26,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:26,875 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 12:11:26,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1698281706] [2020-09-25 12:11:26,878 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:11:26,878 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 12:11:26,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035272116] [2020-09-25 12:11:26,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 12:11:26,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:11:26,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 12:11:26,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 12:11:26,910 INFO L87 Difference]: Start difference. First operand 356 states. Second operand 6 states. [2020-09-25 12:11:27,713 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:11:28,855 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:11:31,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:11:31,341 INFO L93 Difference]: Finished difference Result 895 states and 1075 transitions. [2020-09-25 12:11:31,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 12:11:31,344 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-09-25 12:11:31,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:11:31,370 INFO L225 Difference]: With dead ends: 895 [2020-09-25 12:11:31,370 INFO L226 Difference]: Without dead ends: 651 [2020-09-25 12:11:31,378 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:11:31,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-09-25 12:11:31,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 577. [2020-09-25 12:11:31,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2020-09-25 12:11:31,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 658 transitions. [2020-09-25 12:11:31,620 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 658 transitions. Word has length 160 [2020-09-25 12:11:31,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:11:31,624 INFO L479 AbstractCegarLoop]: Abstraction has 577 states and 658 transitions. [2020-09-25 12:11:31,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 12:11:31,624 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 658 transitions. [2020-09-25 12:11:31,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 12:11:31,646 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:11:31,646 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:11:31,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:11:31,647 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:11:31,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:11:31,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1355492901, now seen corresponding path program 1 times [2020-09-25 12:11:31,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:11:31,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1570411247] [2020-09-25 12:11:31,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:11:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:31,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:31,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:32,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:32,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:33,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:36,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:36,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-09-25 12:11:36,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 12:11:36,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5048 [2020-09-25 12:11:36,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:36,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:36,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-09-25 12:11:36,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 12:11:36,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-25 12:11:36,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:37,133 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:11:37,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:37,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:37,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:11:37,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:37,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-09-25 12:11:37,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:37,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:37,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:37,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:37,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 12:11:37,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:37,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:11:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:37,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:37,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:37,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:37,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:37,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:37,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:37,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:37,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:37,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:37,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:37,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:11:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:37,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:37,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:37,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:37,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:37,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:37,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:37,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:37,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:37,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:37,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:11:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:37,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:37,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:37,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:37,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:11:37,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:37,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:37,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:37,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:37,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:11:37,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:37,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:11:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:37,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:37,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:37,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:37,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:37,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:37,496 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:37,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:37,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:37,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:37,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:37,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:11:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:37,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:37,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:11:37,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:37,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:37,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:37,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:37,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:37,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:37,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:11:37,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:37,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 12:11:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:37,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:37,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:11:37,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:37,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:11:37,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:37,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:37,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:11:37,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:37,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:37,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:37,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:37,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:37,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:37,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:37,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:37,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:37,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:37,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:37,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:37,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:11:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:37,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:37,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 12:11:37,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:11:37,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 12:11:37,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:37,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:37,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:11:37,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:11:37,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-09-25 12:11:37,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:37,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:11:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:37,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:37,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 12:11:37,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:11:37,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:11:37,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:37,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:37,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-25 12:11:37,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:11:37,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 12:11:37,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:37,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:11:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:37,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:37,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:11:37,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:37,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:11:37,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:37,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:11:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:11:37,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:11:37,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:37,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:11:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:37,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:37,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:37,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:37,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:37,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:37,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:37,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:37,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:37,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:37,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:37,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 12:11:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:37,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:37,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:37,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:37,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:37,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:37,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:37,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:37,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:37,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:37,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:37,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 12:11:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:37,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:37,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:37,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:37,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:37,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:37,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:37,661 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:37,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:37,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:37,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:37,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:37,705 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 12:11:37,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1570411247] [2020-09-25 12:11:37,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:11:37,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 12:11:37,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002934639] [2020-09-25 12:11:37,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 12:11:37,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:11:37,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 12:11:37,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-25 12:11:37,710 INFO L87 Difference]: Start difference. First operand 577 states and 658 transitions. Second operand 8 states. [2020-09-25 12:11:38,288 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:11:40,257 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:11:41,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:11:41,737 INFO L93 Difference]: Finished difference Result 1491 states and 1847 transitions. [2020-09-25 12:11:41,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 12:11:41,738 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 179 [2020-09-25 12:11:41,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:11:41,750 INFO L225 Difference]: With dead ends: 1491 [2020-09-25 12:11:41,750 INFO L226 Difference]: Without dead ends: 1029 [2020-09-25 12:11:41,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-09-25 12:11:41,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2020-09-25 12:11:41,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 865. [2020-09-25 12:11:41,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2020-09-25 12:11:41,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 995 transitions. [2020-09-25 12:11:41,883 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 995 transitions. Word has length 179 [2020-09-25 12:11:41,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:11:41,884 INFO L479 AbstractCegarLoop]: Abstraction has 865 states and 995 transitions. [2020-09-25 12:11:41,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 12:11:41,884 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 995 transitions. [2020-09-25 12:11:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 12:11:41,887 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:11:41,888 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:11:41,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:11:41,888 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:11:41,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:11:41,889 INFO L82 PathProgramCache]: Analyzing trace with hash 163203770, now seen corresponding path program 1 times [2020-09-25 12:11:41,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:11:41,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118877935] [2020-09-25 12:11:41,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:11:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:41,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:42,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:42,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:45,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:46,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:46,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 12:11:46,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:11:46,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 12:11:46,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:46,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:46,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:11:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 12:11:46,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-25 12:11:46,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:47,307 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:11:47,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:47,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:47,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:47,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:11:47,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:47,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-09-25 12:11:47,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:47,614 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 12:11:47,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:11:47,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:11:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:47,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:47,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:47,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:47,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:47,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:11:47,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:47,682 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:47,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:47,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:47,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:47,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:47,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:11:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:47,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:47,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:47,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:47,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:47,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:11:47,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:47,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:47,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:47,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:47,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:47,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:11:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:47,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:47,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:47,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:47,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:47,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:11:47,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:47,710 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:47,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:47,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:47,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:11:47,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:47,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:11:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:47,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:47,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:47,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:47,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:47,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:11:47,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:47,724 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:47,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:47,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:11:47,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:47,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:11:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:47,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:47,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:47,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:11:47,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:47,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:11:47,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:47,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:47,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:47,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:47,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 12:11:47,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:47,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 12:11:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:47,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:47,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:47,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:47,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:11:47,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:11:47,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 12:11:47,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:47,779 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:47,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:11:47,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:11:47,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:11:47,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:47,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 12:11:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:47,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:47,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:47,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:11:47,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:47,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 12:11:47,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:47,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:47,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:47,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:47,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 12:11:47,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:47,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:47,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:47,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:47,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:47,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:47,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:11:47,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:47,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:47,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:47,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:47,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 12:11:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:47,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:47,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:47,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:47,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:47,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:11:47,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:47,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:47,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:11:47,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:11:47,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:47,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 12:11:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:47,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:47,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:47,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:47,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:47,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:11:47,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:47,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:47,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:11:47,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:47,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:11:47,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:47,962 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 12:11:47,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118877935] [2020-09-25 12:11:47,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:11:47,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 12:11:47,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138907087] [2020-09-25 12:11:47,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 12:11:47,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:11:47,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 12:11:47,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 12:11:47,967 INFO L87 Difference]: Start difference. First operand 865 states and 995 transitions. Second operand 11 states. [2020-09-25 12:11:48,517 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:11:49,597 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-25 12:11:50,233 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-25 12:11:51,761 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 12:11:52,105 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 12:11:52,538 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:11:53,010 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:11:53,353 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:11:53,684 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:11:54,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:11:54,923 INFO L93 Difference]: Finished difference Result 1759 states and 2117 transitions. [2020-09-25 12:11:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 12:11:54,924 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2020-09-25 12:11:54,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:11:54,938 INFO L225 Difference]: With dead ends: 1759 [2020-09-25 12:11:54,938 INFO L226 Difference]: Without dead ends: 1009 [2020-09-25 12:11:54,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 24 SyntacticMatches, 5 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2020-09-25 12:11:54,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2020-09-25 12:11:55,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 862. [2020-09-25 12:11:55,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-09-25 12:11:55,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 986 transitions. [2020-09-25 12:11:55,111 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 986 transitions. Word has length 179 [2020-09-25 12:11:55,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:11:55,113 INFO L479 AbstractCegarLoop]: Abstraction has 862 states and 986 transitions. [2020-09-25 12:11:55,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 12:11:55,113 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 986 transitions. [2020-09-25 12:11:55,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-25 12:11:55,117 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:11:55,117 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:11:55,118 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:11:55,118 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:11:55,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:11:55,119 INFO L82 PathProgramCache]: Analyzing trace with hash -733667790, now seen corresponding path program 1 times [2020-09-25 12:11:55,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:11:55,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1644566995] [2020-09-25 12:11:55,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:11:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:55,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:55,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:57,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:57,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-25 12:11:57,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:11:57,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1988 [2020-09-25 12:11:57,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:57,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:57,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:11:57,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-25 12:11:57,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:11:57,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:57,459 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:11:57,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:57,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:57,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:57,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:11:57,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:57,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-25 12:11:57,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:57,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:57,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:57,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:57,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:11:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:57,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:57,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:57,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:57,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:57,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:57,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:57,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:57,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:57,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:57,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:57,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:11:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:57,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:57,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:57,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:57,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:57,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:57,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:57,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:57,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:57,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:57,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:57,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:57,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:11:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:57,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:57,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:57,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:57,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:57,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:11:57,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:57,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:57,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:57,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:57,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:57,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:57,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:11:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:57,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:57,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:57,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:11:57,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:57,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:57,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:57,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:57,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:57,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:57,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:57,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:57,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:11:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:57,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:57,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:57,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:11:57,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:57,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:57,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:57,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:57,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:57,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:57,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:57,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:57,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 12:11:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:57,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:57,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:57,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:11:57,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:57,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:11:57,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:57,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:57,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:57,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:57,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:57,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:57,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:11:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:57,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:57,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:57,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:57,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:57,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:11:57,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:57,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:57,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:57,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:57,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:57,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:11:57,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 12:11:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:57,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:57,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:57,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 12:11:57,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:57,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-09-25 12:11:57,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:57,806 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:57,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:11:57,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 12:11:57,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:11:57,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:57,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:11:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:57,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:57,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:57,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 12:11:57,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:57,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-25 12:11:57,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:57,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:57,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:11:57,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 12:11:57,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:11:57,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:11:57,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:11:57,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:57,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:57,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:57,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 12:11:57,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:57,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-25 12:11:57,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:57,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:57,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 12:11:57,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 12:11:57,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 12:11:57,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:11:58,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:11:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:58,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:58,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:58,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:11:58,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:58,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 12:11:58,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:58,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:58,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:11:58,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:58,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 12:11:58,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:11:58,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:11:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:58,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:58,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:58,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:11:58,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:58,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 12:11:58,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:58,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:58,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:58,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:11:58,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:58,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:58,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:11:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:58,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:58,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:58,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:11:58,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:58,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:58,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:58,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:58,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 12:11:58,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:58,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:58,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-25 12:11:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:58,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:58,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:58,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:58,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:58,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:58,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:58,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:58,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:58,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:58,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:58,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:11:58,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-25 12:11:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:11:58,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:11:58,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:11:58,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:11:58,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:11:58,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:11:58,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:11:58,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:11:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:11:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:11:58,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:11:58,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:11:58,316 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 12:11:58,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1644566995] [2020-09-25 12:11:58,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:11:58,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 12:11:58,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849715924] [2020-09-25 12:11:58,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:11:58,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:11:58,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:11:58,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:11:58,320 INFO L87 Difference]: Start difference. First operand 862 states and 986 transitions. Second operand 10 states. [2020-09-25 12:12:00,011 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:12:00,403 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:12:00,748 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 12:12:01,083 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:12:01,476 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 12:12:01,799 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:12:03,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:12:03,036 INFO L93 Difference]: Finished difference Result 1757 states and 2093 transitions. [2020-09-25 12:12:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 12:12:03,037 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-09-25 12:12:03,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:12:03,043 INFO L225 Difference]: With dead ends: 1757 [2020-09-25 12:12:03,044 INFO L226 Difference]: Without dead ends: 1010 [2020-09-25 12:12:03,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 12:12:03,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2020-09-25 12:12:03,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 878. [2020-09-25 12:12:03,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2020-09-25 12:12:03,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1002 transitions. [2020-09-25 12:12:03,187 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1002 transitions. Word has length 204 [2020-09-25 12:12:03,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:12:03,188 INFO L479 AbstractCegarLoop]: Abstraction has 878 states and 1002 transitions. [2020-09-25 12:12:03,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 12:12:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1002 transitions. [2020-09-25 12:12:03,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-25 12:12:03,192 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:12:03,193 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 12:12:03,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 12:12:03,193 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:12:03,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:12:03,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1415592178, now seen corresponding path program 1 times [2020-09-25 12:12:03,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:12:03,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1531134495] [2020-09-25 12:12:03,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:12:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:03,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:03,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:03,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-25 12:12:03,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:03,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 710 [2020-09-25 12:12:03,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:03,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:03,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:03,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-09-25 12:12:03,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:03,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,238 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:12:04,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:04,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 12:12:04,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:04,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 12:12:04,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:04,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:04,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 12:12:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:04,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:04,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:04,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:04,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:04,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:04,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:04,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 12:12:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:04,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:04,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:04,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:04,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:04,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:04,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:04,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 12:12:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:04,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:04,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:04,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:12:04,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:04,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:04,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:04,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 12:12:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:04,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:12:04,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:04,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:04,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:04,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:04,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:04,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 12:12:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:04,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:04,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:04,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:04,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:04,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:04,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:04,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 12:12:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:04,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 12:12:04,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:04,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:04,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:04,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:04,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:04,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:12:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:04,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:04,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:04,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:04,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:04,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:04,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:04,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 12:12:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:04,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-25 12:12:04,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:04,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-25 12:12:04,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,567 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:04,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 12:12:04,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:04,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:04,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 12:12:04,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:04,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-25 12:12:04,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:04,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 12:12:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:04,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:04,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 12:12:04,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:04,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 12:12:04,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 12:12:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:04,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:12:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:04,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 12:12:04,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:04,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 12:12:04,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,787 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:12:04,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 12:12:04,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 12:12:04,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 12:12:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:04,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 12:12:04,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:04,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:12:04,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:12:04,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:12:04,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:12:04,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 12:12:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:04,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 12:12:04,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:04,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:04,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:04,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 12:12:04,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:04,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-25 12:12:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:04,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:04,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:04,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:12:04,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:04,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:12:04,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:04,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:12:04,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-25 12:12:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:12:04,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:12:04,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:12:04,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:12:04,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:12:04,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:12:04,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:12:04,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:12:04,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:12:04,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:12:04,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:12:04,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:12:04,923 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 12:12:04,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1531134495] [2020-09-25 12:12:04,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:12:04,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:12:04,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658637591] [2020-09-25 12:12:04,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:12:04,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:12:04,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:12:04,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:12:04,926 INFO L87 Difference]: Start difference. First operand 878 states and 1002 transitions. Second operand 9 states.