/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=0.1 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 09:44:20,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 09:44:20,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 09:44:20,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 09:44:20,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 09:44:20,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 09:44:20,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 09:44:20,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 09:44:20,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 09:44:20,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 09:44:20,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 09:44:20,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 09:44:20,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 09:44:20,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 09:44:20,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 09:44:20,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 09:44:20,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 09:44:20,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 09:44:20,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 09:44:20,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 09:44:20,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 09:44:20,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 09:44:20,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 09:44:20,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 09:44:20,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 09:44:20,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 09:44:20,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 09:44:20,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 09:44:20,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 09:44:20,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 09:44:20,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 09:44:20,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 09:44:20,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 09:44:20,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 09:44:20,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 09:44:20,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 09:44:20,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 09:44:20,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 09:44:20,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 09:44:20,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 09:44:20,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 09:44:20,562 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 09:44:20,589 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 09:44:20,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 09:44:20,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 09:44:20,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 09:44:20,591 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 09:44:20,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 09:44:20,591 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 09:44:20,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 09:44:20,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 09:44:20,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 09:44:20,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 09:44:20,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 09:44:20,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 09:44:20,593 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 09:44:20,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 09:44:20,593 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 09:44:20,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 09:44:20,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 09:44:20,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 09:44:20,594 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 09:44:20,594 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 09:44:20,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 09:44:20,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 09:44:20,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 09:44:20,595 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 09:44:20,595 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 09:44:20,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 09:44:20,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 09:44:20,596 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 09:44:20,596 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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;log-additional-information=true; [2020-09-25 09:44:21,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 09:44:21,060 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 09:44:21,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 09:44:21,067 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 09:44:21,069 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 09:44:21,070 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product49.cil.c [2020-09-25 09:44:21,153 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/554cf8110/2c0a62715dc4470dbed87e7e44315b43/FLAG5255b92e8 [2020-09-25 09:44:21,819 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 09:44:21,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product49.cil.c [2020-09-25 09:44:21,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/554cf8110/2c0a62715dc4470dbed87e7e44315b43/FLAG5255b92e8 [2020-09-25 09:44:22,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/554cf8110/2c0a62715dc4470dbed87e7e44315b43 [2020-09-25 09:44:22,049 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 09:44:22,055 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 09:44:22,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 09:44:22,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 09:44:22,061 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 09:44:22,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:44:22" (1/1) ... [2020-09-25 09:44:22,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217e3fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:22, skipping insertion in model container [2020-09-25 09:44:22,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 09:44:22" (1/1) ... [2020-09-25 09:44:22,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 09:44:22,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 09:44:22,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:44:22,719 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 09:44:22,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 09:44:22,850 INFO L208 MainTranslator]: Completed translation [2020-09-25 09:44:22,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:22 WrapperNode [2020-09-25 09:44:22,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 09:44:22,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 09:44:22,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 09:44:22,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 09:44:22,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:22" (1/1) ... [2020-09-25 09:44:22,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:22" (1/1) ... [2020-09-25 09:44:22,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:22" (1/1) ... [2020-09-25 09:44:22,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:22" (1/1) ... [2020-09-25 09:44:22,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:22" (1/1) ... [2020-09-25 09:44:22,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:22" (1/1) ... [2020-09-25 09:44:22,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:22" (1/1) ... [2020-09-25 09:44:22,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 09:44:22,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 09:44:22,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 09:44:22,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 09:44:22,950 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:22" (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 09:44:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 09:44:23,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 09:44:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 09:44:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 09:44:23,035 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 09:44:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 09:44:23,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 09:44:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 09:44:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 09:44:23,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 09:44:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 09:44:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 09:44:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 09:44:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 09:44:23,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 09:44:23,039 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 09:44:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 09:44:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:44:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 09:44:23,040 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 09:44:23,041 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 09:44:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 09:44:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 09:44:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 09:44:23,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 09:44:23,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 09:44:23,044 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 09:44:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 09:44:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 09:44:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 09:44:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 09:44:23,045 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 09:44:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 09:44:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 09:44:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 09:44:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 09:44:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 09:44:23,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 09:44:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 09:44:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 09:44:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 09:44:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 09:44:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 09:44:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 09:44:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 09:44:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 09:44:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 09:44:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 09:44:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 09:44:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 09:44:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 09:44:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 09:44:23,049 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 09:44:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 09:44:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 09:44:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 09:44:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 09:44:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 09:44:23,050 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 09:44:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 09:44:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 09:44:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 09:44:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 09:44:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 09:44:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 09:44:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 09:44:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 09:44:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 09:44:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 09:44:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 09:44:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 09:44:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 09:44:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 09:44:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 09:44:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 09:44:23,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 09:44:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 09:44:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 09:44:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 09:44:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 09:44:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 09:44:23,056 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 09:44:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 09:44:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 09:44:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 09:44:23,057 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 09:44:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 09:44:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 09:44:23,058 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 09:44:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 09:44:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 09:44:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 09:44:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 09:44:23,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 09:44:24,335 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 09:44:24,335 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 09:44:24,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:44:24 BoogieIcfgContainer [2020-09-25 09:44:24,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 09:44:24,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 09:44:24,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 09:44:24,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 09:44:24,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 09:44:22" (1/3) ... [2020-09-25 09:44:24,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@734527b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:44:24, skipping insertion in model container [2020-09-25 09:44:24,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 09:44:22" (2/3) ... [2020-09-25 09:44:24,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@734527b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 09:44:24, skipping insertion in model container [2020-09-25 09:44:24,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 09:44:24" (3/3) ... [2020-09-25 09:44:24,354 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product49.cil.c [2020-09-25 09:44:24,367 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 09:44:24,379 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 09:44:24,404 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 09:44:24,441 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 09:44:24,441 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 09:44:24,441 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 09:44:24,441 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 09:44:24,441 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 09:44:24,442 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 09:44:24,442 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 09:44:24,442 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 09:44:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states. [2020-09-25 09:44:24,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 09:44:24,493 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:44:24,495 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:44:24,495 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:44:24,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:44:24,504 INFO L82 PathProgramCache]: Analyzing trace with hash -231713174, now seen corresponding path program 1 times [2020-09-25 09:44:24,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:44:24,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1835769504] [2020-09-25 09:44:24,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:44:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:24,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:25,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:25,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:26,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:26,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:29,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:29,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 09:44:29,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:44:29,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-09-25 09:44:29,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:29,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:29,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 09:44:29,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 09:44:29,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-25 09:44:29,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-09-25 09:44:30,517 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:44:30,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:44:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:30,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:30,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:30,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:44:30,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:30,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-09-25 09:44:30,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:30,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:30,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 09:44:30,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:30,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:44:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:30,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:31,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:31,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:31,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:31,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:44:31,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:31,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:31,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:31,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:31,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:31,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:31,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:44:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:31,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:31,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:31,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:31,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:31,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:31,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:31,012 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:31,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:31,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:31,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:31,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:31,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:44:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:31,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:31,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:31,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:31,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:31,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:44:31,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:31,028 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:31,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:31,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:31,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:31,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:31,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:44:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:31,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:31,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:31,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:31,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:31,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:44:31,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:31,038 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:31,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:31,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:31,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:31,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:31,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:44:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:31,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:31,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:31,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:31,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:31,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:44:31,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:31,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:31,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:31,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:31,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 09:44:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:31,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:31,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:31,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:31,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:31,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:44:31,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:31,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:31,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:44:31,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:31,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:31,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:31,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:44:31,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1835769504] [2020-09-25 09:44:31,152 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:44:31,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 09:44:31,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299019800] [2020-09-25 09:44:31,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 09:44:31,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:44:31,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 09:44:31,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 09:44:31,182 INFO L87 Difference]: Start difference. First operand 318 states. Second operand 8 states. [2020-09-25 09:44:31,837 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:44:33,062 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:33,390 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:44:33,788 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:34,143 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:44:34,463 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:35,255 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:44:35,550 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:35,929 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:44:37,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:44:37,284 INFO L93 Difference]: Finished difference Result 600 states and 746 transitions. [2020-09-25 09:44:37,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 09:44:37,294 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 09:44:37,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:44:37,320 INFO L225 Difference]: With dead ends: 600 [2020-09-25 09:44:37,320 INFO L226 Difference]: Without dead ends: 399 [2020-09-25 09:44:37,327 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 09:44:37,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2020-09-25 09:44:37,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 357. [2020-09-25 09:44:37,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-09-25 09:44:37,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 409 transitions. [2020-09-25 09:44:37,459 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 409 transitions. Word has length 142 [2020-09-25 09:44:37,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:44:37,460 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 409 transitions. [2020-09-25 09:44:37,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 09:44:37,461 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 409 transitions. [2020-09-25 09:44:37,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-09-25 09:44:37,466 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:44:37,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:44:37,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 09:44:37,467 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:44:37,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:44:37,467 INFO L82 PathProgramCache]: Analyzing trace with hash 285397142, now seen corresponding path program 1 times [2020-09-25 09:44:37,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:44:37,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1291257241] [2020-09-25 09:44:37,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:44:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:37,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:37,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:38,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:42,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:42,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-09-25 09:44:42,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 09:44:42,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 09:44:42,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:42,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:42,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 09:44:42,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 09:44:42,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-09-25 09:44:42,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:42,882 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:44:42,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:44:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:42,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:43,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:43,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:44:43,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:43,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-09-25 09:44:43,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:43,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:43,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:43,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:43,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 09:44:43,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:43,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:44:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:43,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:43,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:43,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:43,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:43,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:44:43,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:43,237 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:43,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:43,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:43,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:43,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:43,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:44:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:43,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:43,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:43,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:43,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:43,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:44:43,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:43,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:43,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:43,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:43,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:43,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:43,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:44:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:43,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:43,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:43,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:43,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:43,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 09:44:43,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:43,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:43,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:43,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:43,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:43,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:43,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:44:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:43,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:43,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:43,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:44:43,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:43,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:44:43,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:43,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:43,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:43,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:43,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:44:43,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:43,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 09:44:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:43,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:43,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:43,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:43,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:44:43,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:44:43,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 168 [2020-09-25 09:44:43,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:43,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:43,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:44:43,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:43,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-09-25 09:44:43,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:43,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:44:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:43,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:43,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:43,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:43,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:44:43,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:44:43,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 95 [2020-09-25 09:44:43,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:43,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 09:44:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 09:44:43,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:44:43,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:43,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:44:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:43,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:43,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:43,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:44:43,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:43,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 09:44:43,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:43,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:43,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:44:43,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:43,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 09:44:43,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:43,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:44:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:43,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:43,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:43,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:44:43,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:43,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 09:44:43,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:43,711 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:43,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:43,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:43,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:43,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:43,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:44:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:43,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:43,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:43,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:44:43,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:43,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:44:43,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:43,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:43,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:43,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:44:43,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:43,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:43,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 09:44:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:43,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:43,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:43,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:43,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:43,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:44:43,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:43,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:43,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:44:43,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:44:43,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:44:43,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:43,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 09:44:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:43,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:43,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:44:43,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:44:43,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:44:43,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:44:43,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:44:43,823 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:44:43,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:44:43,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:44:43,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:44:43,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:44:43,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:44:43,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1291257241] [2020-09-25 09:44:43,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:44:43,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-25 09:44:43,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503341456] [2020-09-25 09:44:43,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-25 09:44:43,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:44:43,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-25 09:44:43,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2020-09-25 09:44:43,887 INFO L87 Difference]: Start difference. First operand 357 states and 409 transitions. Second operand 14 states. [2020-09-25 09:44:44,373 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:44:45,783 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 189 [2020-09-25 09:44:46,462 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-25 09:44:46,849 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:47,235 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:44:47,594 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:48,206 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:44:48,583 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-25 09:44:48,965 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:44:49,341 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 09:44:49,735 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 09:44:50,102 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:50,423 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:44:50,803 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:44:51,165 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:51,847 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:44:52,216 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 09:44:52,590 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 09:44:52,944 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:44:53,278 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 09:44:53,596 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 09:44:53,893 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 09:44:55,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:44:55,785 INFO L93 Difference]: Finished difference Result 978 states and 1282 transitions. [2020-09-25 09:44:55,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-25 09:44:55,786 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 181 [2020-09-25 09:44:55,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:44:55,794 INFO L225 Difference]: With dead ends: 978 [2020-09-25 09:44:55,795 INFO L226 Difference]: Without dead ends: 685 [2020-09-25 09:44:55,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=224, Invalid=1182, Unknown=0, NotChecked=0, Total=1406 [2020-09-25 09:44:55,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2020-09-25 09:44:55,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 573. [2020-09-25 09:44:55,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2020-09-25 09:44:55,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 661 transitions. [2020-09-25 09:44:55,892 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 661 transitions. Word has length 181 [2020-09-25 09:44:55,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:44:55,893 INFO L479 AbstractCegarLoop]: Abstraction has 573 states and 661 transitions. [2020-09-25 09:44:55,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-25 09:44:55,894 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 661 transitions. [2020-09-25 09:44:55,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-09-25 09:44:55,902 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:44:55,903 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 09:44:55,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 09:44:55,903 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:44:55,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:44:55,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1913445490, now seen corresponding path program 1 times [2020-09-25 09:44:55,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:44:55,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1971301728] [2020-09-25 09:44:55,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:44:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:44:56,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:56,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:56,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:56,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:44:56,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:00,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:00,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 269 [2020-09-25 09:45:00,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 09:45:00,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-25 09:45:00,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:00,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 09:45:00,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 09:45:00,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:01,272 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:45:01,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:45:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:01,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:01,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:01,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:45:01,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:01,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 234 [2020-09-25 09:45:01,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:01,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:01,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:01,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:01,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 09:45:01,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:01,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:45:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:01,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:01,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:01,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:01,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:01,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:01,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:01,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:01,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:01,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:45:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:01,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:01,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:01,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:01,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:01,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:01,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:01,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:01,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:01,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:01,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:01,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:01,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:45:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:01,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:01,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:01,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:01,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:01,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 09:45:01,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:01,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:01,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:01,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:45:01,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:01,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:45:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:01,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:01,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:01,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:01,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:01,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:45:01,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:01,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:01,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:01,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:01,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:01,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:01,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:45:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:01,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:01,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:01,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:45:01,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:01,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 09:45:01,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:01,669 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:01,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:01,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:01,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:45:01,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:01,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 09:45:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:01,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:01,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:01,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-09-25 09:45:01,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:01,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:45:01,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:01,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:01,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:01,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 09:45:01,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-25 09:45:01,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:45:01,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:01,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:01,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:01,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 09:45:01,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:01,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 09:45:01,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:01,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:01,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:01,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:01,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-25 09:45:01,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:01,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:01,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:01,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:01,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:01,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:01,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:01,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:01,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:01,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:01,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:01,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:01,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:01,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 09:45:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:01,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:01,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:01,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:01,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:45:01,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 09:45:01,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-25 09:45:01,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:01,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:01,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:45:01,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 09:45:01,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:45:01,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:01,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:01,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:01,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:01,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:45:01,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:01,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-09-25 09:45:01,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:01,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:01,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:45:01,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 09:45:01,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:45:01,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:01,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:01,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:01,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:01,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:45:01,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:01,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 09:45:01,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:01,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:01,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 09:45:01,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 09:45:01,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 09:45:01,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:01,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:45:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:01,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:01,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:01,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:45:01,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:01,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:45:01,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:01,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:01,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 09:45:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:45:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 09:45:02,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:45:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:02,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:02,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:02,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:45:02,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:02,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:02,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:02,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:02,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:02,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 09:45:02,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:02,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:02,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-25 09:45:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:02,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:02,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:02,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:02,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:02,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:02,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:02,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:02,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:02,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:45:02,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:02,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:02,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-25 09:45:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:02,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:02,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:02,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:02,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:02,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:02,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:02,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:45:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:02,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:02,168 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 09:45:02,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1971301728] [2020-09-25 09:45:02,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:45:02,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-25 09:45:02,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242217615] [2020-09-25 09:45:02,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 09:45:02,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:45:02,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 09:45:02,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-25 09:45:02,172 INFO L87 Difference]: Start difference. First operand 573 states and 661 transitions. Second operand 12 states. [2020-09-25 09:45:02,707 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:45:03,777 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:04,099 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:45:04,434 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:04,773 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 09:45:05,080 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 09:45:06,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 09:45:06,737 INFO L93 Difference]: Finished difference Result 1272 states and 1630 transitions. [2020-09-25 09:45:06,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 09:45:06,738 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 220 [2020-09-25 09:45:06,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 09:45:06,745 INFO L225 Difference]: With dead ends: 1272 [2020-09-25 09:45:06,745 INFO L226 Difference]: Without dead ends: 809 [2020-09-25 09:45:06,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=139, Invalid=367, Unknown=0, NotChecked=0, Total=506 [2020-09-25 09:45:06,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2020-09-25 09:45:06,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 585. [2020-09-25 09:45:06,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2020-09-25 09:45:06,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 667 transitions. [2020-09-25 09:45:06,836 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 667 transitions. Word has length 220 [2020-09-25 09:45:06,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 09:45:06,837 INFO L479 AbstractCegarLoop]: Abstraction has 585 states and 667 transitions. [2020-09-25 09:45:06,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 09:45:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 667 transitions. [2020-09-25 09:45:06,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-09-25 09:45:06,841 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 09:45:06,841 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:45:06,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 09:45:06,842 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 09:45:06,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 09:45:06,842 INFO L82 PathProgramCache]: Analyzing trace with hash -614630891, now seen corresponding path program 1 times [2020-09-25 09:45:06,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 09:45:06,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [11728185] [2020-09-25 09:45:06,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 09:45:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:06,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:08,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:08,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-09-25 09:45:08,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:08,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1386 [2020-09-25 09:45:08,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:08,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:08,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 09:45:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 09:45:08,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-25 09:45:08,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:08,592 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 09:45:08,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 09:45:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:08,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:08,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:08,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 09:45:08,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:08,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-09-25 09:45:08,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:08,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:08,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:08,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:08,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 09:45:08,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:08,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 09:45:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:08,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:08,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:08,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:08,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:08,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:08,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:08,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:08,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:08,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:08,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:08,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:08,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 09:45:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:08,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:08,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:08,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:08,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:08,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:08,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:08,910 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:08,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:08,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:08,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:08,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:08,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 09:45:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:08,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:08,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:08,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:08,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:08,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:45:08,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:08,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:08,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:08,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:08,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 09:45:08,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:08,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 09:45:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:08,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:08,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:08,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 09:45:08,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:08,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:08,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:08,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:08,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 09:45:08,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:08,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 09:45:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:08,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:08,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:08,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 09:45:08,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:08,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 09:45:08,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:08,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:08,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:08,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:08,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 09:45:08,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:08,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 09:45:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:08,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 09:45:09,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 09:45:09,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:09,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 09:45:09,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 09:45:09,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 09:45:09,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 09:45:09,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:09,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:09,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 09:45:09,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 09:45:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 09:45:09,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 09:45:09,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:09,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:09,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 09:45:09,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 09:45:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 09:45:09,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:09,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:09,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:09,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 09:45:09,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 09:45:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 09:45:09,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 09:45:09,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 09:45:09,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 09:45:09,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 09:45:09,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 09:45:09,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-09-25 09:45:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:09,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 09:45:09,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:09,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:45:09,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:09,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:09,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-09-25 09:45:09,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 09:45:09,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 09:45:09,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 09:45:09,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 09:45:09,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 09:45:09,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 09:45:09,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 09:45:09,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 09:45:09,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 09:45:09,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 09:45:09,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 09:45:09,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 09:45:09,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 09:45:09,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [11728185] [2020-09-25 09:45:09,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 09:45:09,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 09:45:09,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714107879] [2020-09-25 09:45:09,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 09:45:09,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 09:45:09,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 09:45:09,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-25 09:45:09,192 INFO L87 Difference]: Start difference. First operand 585 states and 667 transitions. Second operand 7 states. [2020-09-25 09:45:09,700 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 09:45:10,537 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 186