/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 13:18:02,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:18:02,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:18:02,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:18:02,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:18:02,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:18:02,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:18:02,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:18:02,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:18:02,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:18:02,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:18:02,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:18:02,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:18:02,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:18:02,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:18:02,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:18:02,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:18:02,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:18:02,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:18:02,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:18:02,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:18:02,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:18:02,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:18:02,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:18:02,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:18:02,511 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:18:02,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:18:02,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:18:02,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:18:02,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:18:02,514 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:18:02,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:18:02,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:18:02,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:18:02,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:18:02,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:18:02,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:18:02,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:18:02,519 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:18:02,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:18:02,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:18:02,521 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 13:18:02,548 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:18:02,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:18:02,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:18:02,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:18:02,550 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:18:02,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:18:02,550 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 13:18:02,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:18:02,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 13:18:02,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:18:02,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:18:02,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:18:02,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:18:02,552 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 13:18:02,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:18:02,552 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:18:02,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:18:02,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:18:02,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:18:02,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:18:02,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:18:02,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:18:02,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:18:02,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:18:02,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:18:02,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:18:02,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:18:02,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:18:02,555 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:18:02,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-09-25 13:18:03,044 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:18:03,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:18:03,065 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:18:03,067 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:18:03,067 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:18:03,068 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-09-25 13:18:03,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/002a35e61/d32fa2246bc0481c80ae6ae1d690d39f/FLAG381cb1ee4 [2020-09-25 13:18:03,739 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:18:03,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-09-25 13:18:03,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/002a35e61/d32fa2246bc0481c80ae6ae1d690d39f/FLAG381cb1ee4 [2020-09-25 13:18:04,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/002a35e61/d32fa2246bc0481c80ae6ae1d690d39f [2020-09-25 13:18:04,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:18:04,035 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:18:04,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:18:04,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:18:04,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:18:04,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:18:04" (1/1) ... [2020-09-25 13:18:04,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:04, skipping insertion in model container [2020-09-25 13:18:04,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:18:04" (1/1) ... [2020-09-25 13:18:04,056 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:18:04,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:18:04,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:18:04,633 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:18:04,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:18:04,767 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:18:04,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:04 WrapperNode [2020-09-25 13:18:04,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:18:04,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:18:04,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:18:04,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:18:04,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:04" (1/1) ... [2020-09-25 13:18:04,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:04" (1/1) ... [2020-09-25 13:18:04,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:04" (1/1) ... [2020-09-25 13:18:04,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:04" (1/1) ... [2020-09-25 13:18:04,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:04" (1/1) ... [2020-09-25 13:18:04,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:04" (1/1) ... [2020-09-25 13:18:04,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:04" (1/1) ... [2020-09-25 13:18:04,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:18:04,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:18:04,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:18:04,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:18:04,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:18:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:18:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:18:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 13:18:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 13:18:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 13:18:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:18:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 13:18:04,959 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 13:18:04,959 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 13:18:04,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 13:18:04,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 13:18:04,959 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 13:18:04,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 13:18:04,960 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 13:18:04,960 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 13:18:04,960 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 13:18:04,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 13:18:04,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 13:18:04,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 13:18:04,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 13:18:04,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 13:18:04,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 13:18:04,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-25 13:18:04,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-25 13:18:04,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-25 13:18:04,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 13:18:04,963 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 13:18:04,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 13:18:04,963 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 13:18:04,963 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:18:04,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 13:18:04,963 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 13:18:04,964 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 13:18:04,964 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 13:18:04,964 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 13:18:04,964 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 13:18:04,964 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 13:18:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 13:18:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 13:18:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 13:18:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 13:18:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 13:18:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:18:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:18:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 13:18:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 13:18:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 13:18:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 13:18:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 13:18:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 13:18:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 13:18:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 13:18:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 13:18:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 13:18:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 13:18:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 13:18:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-25 13:18:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-25 13:18:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 13:18:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 13:18:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 13:18:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-25 13:18:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 13:18:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:18:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 13:18:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 13:18:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 13:18:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 13:18:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 13:18:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:18:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:18:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 13:18:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:18:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:18:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:18:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:18:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 13:18:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:18:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 13:18:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 13:18:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:18:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 13:18:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 13:18:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 13:18:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 13:18:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 13:18:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-25 13:18:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 13:18:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 13:18:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 13:18:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 13:18:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 13:18:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 13:18:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:18:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 13:18:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:18:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:18:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:18:06,327 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:18:06,328 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 13:18:06,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:18:06 BoogieIcfgContainer [2020-09-25 13:18:06,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:18:06,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:18:06,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:18:06,352 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:18:06,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:18:04" (1/3) ... [2020-09-25 13:18:06,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727107f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:18:06, skipping insertion in model container [2020-09-25 13:18:06,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:18:04" (2/3) ... [2020-09-25 13:18:06,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727107f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:18:06, skipping insertion in model container [2020-09-25 13:18:06,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:18:06" (3/3) ... [2020-09-25 13:18:06,358 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2020-09-25 13:18:06,370 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:18:06,387 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:18:06,411 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:18:06,455 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:18:06,455 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:18:06,455 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:18:06,456 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:18:06,456 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:18:06,457 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:18:06,457 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:18:06,457 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:18:06,487 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states. [2020-09-25 13:18:06,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-25 13:18:06,507 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:06,509 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:18:06,510 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:06,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:06,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1626360374, now seen corresponding path program 1 times [2020-09-25 13:18:06,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:06,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1950578556] [2020-09-25 13:18:06,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:07,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:07,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:08,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:08,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:11,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:11,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:11,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-25 13:18:11,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 13:18:11,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 13:18:11,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:11,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:11,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 13:18:11,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 13:18:11,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 13:18:11,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 17 [2020-09-25 13:18:12,464 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:12,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:12,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 270 [2020-09-25 13:18:12,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:12,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 13:18:12,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:12,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:12,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:12,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:12,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:12,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:12,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:12,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:12,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:12,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:18:12,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:12,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:12,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:12,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:12,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:12,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:12,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:12,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:12,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:12,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 13:18:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:12,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:18:12,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:12,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:18:12,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:12,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:12,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:12,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:12,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:12,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-25 13:18:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:12,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:12,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:12,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:12,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:12,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:12,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 13:18:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:12,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:12,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:12,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:12,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:12,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:12,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:12,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:12,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:12,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:12,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:12,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:13,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:18:13,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1950578556] [2020-09-25 13:18:13,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:13,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 13:18:13,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235399030] [2020-09-25 13:18:13,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 13:18:13,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:13,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 13:18:13,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 13:18:13,072 INFO L87 Difference]: Start difference. First operand 329 states. Second operand 6 states. [2020-09-25 13:18:13,707 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 13:18:14,706 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:16,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:18:16,793 INFO L93 Difference]: Finished difference Result 812 states and 979 transitions. [2020-09-25 13:18:16,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 13:18:16,796 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2020-09-25 13:18:16,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:18:16,821 INFO L225 Difference]: With dead ends: 812 [2020-09-25 13:18:16,821 INFO L226 Difference]: Without dead ends: 595 [2020-09-25 13:18:16,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 13:18:16,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2020-09-25 13:18:16,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 519. [2020-09-25 13:18:17,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2020-09-25 13:18:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 590 transitions. [2020-09-25 13:18:17,007 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 590 transitions. Word has length 160 [2020-09-25 13:18:17,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:18:17,008 INFO L479 AbstractCegarLoop]: Abstraction has 519 states and 590 transitions. [2020-09-25 13:18:17,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 13:18:17,008 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 590 transitions. [2020-09-25 13:18:17,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-09-25 13:18:17,015 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:17,016 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:18:17,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:18:17,016 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:17,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:17,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1670557112, now seen corresponding path program 1 times [2020-09-25 13:18:17,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:17,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [461811058] [2020-09-25 13:18:17,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:17,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:17,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:17,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:19,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:20,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:21,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-09-25 13:18:22,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 13:18:22,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5113 [2020-09-25 13:18:22,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 13:18:22,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 13:18:22,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 13:18:22,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,534 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:22,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:22,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 243 [2020-09-25 13:18:22,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 13:18:22,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:22,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:22,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:22,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:22,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:22,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:22,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:22,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:18:22,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:22,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:22,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:22,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:22,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 13:18:22,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:22,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:22,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:22,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:18:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:22,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 13:18:22,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,958 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:22,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:18:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:22,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 13:18:22,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,981 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:22,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:18:22,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:22,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:22,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:22,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:22,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:22,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:22,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:22,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:22,991 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:22,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:22,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:22,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:22,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:23,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 13:18:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:23,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:23,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:23,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:23,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-25 13:18:23,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:18:23,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 13:18:23,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:23,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:18:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:18:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-25 13:18:23,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:23,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:23,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:23,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:23,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 13:18:23,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:23,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:18:23,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:23,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:23,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:18:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 13:18:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:23,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:23,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:23,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:23,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:23,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:23,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:23,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:23,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:23,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:23,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:23,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:23,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:18:23,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 13:18:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:23,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:23,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:23,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:23,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:23,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:23,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:23,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:23,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:23,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:23,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-25 13:18:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:23,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:23,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:23,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:23,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:23,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:23,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:23,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:23,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:23,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:23,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:23,187 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:18:23,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [461811058] [2020-09-25 13:18:23,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:23,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 13:18:23,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391246578] [2020-09-25 13:18:23,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 13:18:23,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:23,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 13:18:23,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 13:18:23,193 INFO L87 Difference]: Start difference. First operand 519 states and 590 transitions. Second operand 8 states. [2020-09-25 13:18:23,789 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:25,890 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:27,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:18:27,630 INFO L93 Difference]: Finished difference Result 1439 states and 1821 transitions. [2020-09-25 13:18:27,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 13:18:27,631 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-09-25 13:18:27,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:18:27,643 INFO L225 Difference]: With dead ends: 1439 [2020-09-25 13:18:27,643 INFO L226 Difference]: Without dead ends: 1035 [2020-09-25 13:18:27,649 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2020-09-25 13:18:27,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2020-09-25 13:18:27,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 795. [2020-09-25 13:18:27,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2020-09-25 13:18:27,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 919 transitions. [2020-09-25 13:18:27,787 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 919 transitions. Word has length 187 [2020-09-25 13:18:27,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:18:27,788 INFO L479 AbstractCegarLoop]: Abstraction has 795 states and 919 transitions. [2020-09-25 13:18:27,788 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 13:18:27,788 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 919 transitions. [2020-09-25 13:18:27,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-09-25 13:18:27,791 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:27,792 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:18:27,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:18:27,792 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:27,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:27,793 INFO L82 PathProgramCache]: Analyzing trace with hash 872929662, now seen corresponding path program 1 times [2020-09-25 13:18:27,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:27,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1425602593] [2020-09-25 13:18:27,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:27,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:28,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:28,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:30,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:32,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:32,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-09-25 13:18:32,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 13:18:32,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-09-25 13:18:32,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:32,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:32,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 13:18:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-25 13:18:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-09-25 13:18:32,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:33,327 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:33,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:33,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:33,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:33,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:33,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:33,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-09-25 13:18:33,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:33,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:33,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:33,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:33,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-25 13:18:33,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:33,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:33,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:33,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:33,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:33,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:33,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:33,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:33,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:33,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:33,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:33,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:33,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:33,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:33,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:33,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:33,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:33,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:33,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:33,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:33,688 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:33,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:33,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:33,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:33,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:33,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:33,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:33,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:33,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:33,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 13:18:33,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:33,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:33,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:33,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:33,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:33,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:33,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:33,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:33,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:33,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:33,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:33,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:33,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:33,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:33,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:33,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:33,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:18:33,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:33,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:33,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:33,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:33,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:33,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:33,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:33,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:33,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:33,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:33,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:33,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:18:33,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:33,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 13:18:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:33,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:33,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:33,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:33,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 13:18:33,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:18:33,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:18:33,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:33,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:33,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:18:33,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 13:18:33,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:18:33,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:33,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 13:18:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:33,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:33,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:33,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:33,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:33,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 13:18:33,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:33,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:33,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 13:18:33,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:33,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:33,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:33,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:33,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:33,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:33,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:18:33,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:33,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:33,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:33,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:33,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:33,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:33,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-09-25 13:18:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:33,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:33,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:33,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:33,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:33,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:33,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:33,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:33,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:18:33,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:33,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:33,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:33,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-09-25 13:18:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:33,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:33,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:33,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:33,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:33,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:18:33,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:33,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:33,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:33,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:33,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:33,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:33,938 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-25 13:18:33,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1425602593] [2020-09-25 13:18:33,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:33,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 13:18:33,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287250050] [2020-09-25 13:18:33,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 13:18:33,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:33,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 13:18:33,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:18:33,942 INFO L87 Difference]: Start difference. First operand 795 states and 919 transitions. Second operand 11 states. [2020-09-25 13:18:34,656 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:35,779 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-25 13:18:36,463 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-25 13:18:37,926 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 13:18:38,215 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-25 13:18:38,625 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 13:18:38,999 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:18:39,337 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:18:39,664 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 13:18:40,185 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 13:18:41,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:18:41,511 INFO L93 Difference]: Finished difference Result 1646 states and 2010 transitions. [2020-09-25 13:18:41,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-25 13:18:41,512 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2020-09-25 13:18:41,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:18:41,524 INFO L225 Difference]: With dead ends: 1646 [2020-09-25 13:18:41,524 INFO L226 Difference]: Without dead ends: 966 [2020-09-25 13:18:41,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 23 SyntacticMatches, 5 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=228, Invalid=642, Unknown=0, NotChecked=0, Total=870 [2020-09-25 13:18:41,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2020-09-25 13:18:41,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 792. [2020-09-25 13:18:41,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2020-09-25 13:18:41,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 910 transitions. [2020-09-25 13:18:41,659 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 910 transitions. Word has length 179 [2020-09-25 13:18:41,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:18:41,661 INFO L479 AbstractCegarLoop]: Abstraction has 792 states and 910 transitions. [2020-09-25 13:18:41,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 13:18:41,661 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 910 transitions. [2020-09-25 13:18:41,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-25 13:18:41,665 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:41,665 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:18:41,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:18:41,666 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:41,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:41,667 INFO L82 PathProgramCache]: Analyzing trace with hash 780568910, now seen corresponding path program 1 times [2020-09-25 13:18:41,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:41,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674354035] [2020-09-25 13:18:41,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:41,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:42,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:42,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-25 13:18:42,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:42,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 865 [2020-09-25 13:18:42,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:42,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:42,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:18:42,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 206 [2020-09-25 13:18:42,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:18:42,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:42,904 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:42,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:42,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:43,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-09-25 13:18:43,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:43,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:43,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:43,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:43,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:43,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:43,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:43,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:43,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:43,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:43,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:43,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:43,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:43,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:43,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:43,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:43,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:43,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:43,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:43,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:43,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:43,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:43,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:43,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:43,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:43,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:43,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:43,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,108 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:43,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:43,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:43,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:43,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:43,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:43,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:43,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:43,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:43,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:43,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:43,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:18:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:43,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:43,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:18:43,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:43,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:43,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:18:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:43,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:43,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:43,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:43,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:43,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:43,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:43,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:43,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:43,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:43,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:43,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:43,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:43,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:43,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 13:18:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:43,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 13:18:43,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-25 13:18:43,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:18:43,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 13:18:43,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:18:43,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:43,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:43,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 13:18:43,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 75 [2020-09-25 13:18:43,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:18:43,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 13:18:43,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 13:18:43,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:43,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:43,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:18:43,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 13:18:43,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,489 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:43,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:43,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 13:18:43,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:43,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:18:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:43,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:18:43,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:18:43,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:43,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:43,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:43,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:18:43,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:18:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:43,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:43,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:43,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 13:18:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:43,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:43,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-25 13:18:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:43,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:43,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:43,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,698 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:43,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:43,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:43,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:43,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-25 13:18:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:43,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:43,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:43,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:43,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:43,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:43,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:43,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:43,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:43,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:43,800 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:18:43,801 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674354035] [2020-09-25 13:18:43,801 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:43,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 13:18:43,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138226230] [2020-09-25 13:18:43,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 13:18:43,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:43,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 13:18:43,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:18:43,805 INFO L87 Difference]: Start difference. First operand 792 states and 910 transitions. Second operand 11 states. [2020-09-25 13:18:45,342 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:18:45,681 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 13:18:46,034 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-25 13:18:46,400 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 13:18:46,806 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 13:18:47,140 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 13:18:48,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:18:48,410 INFO L93 Difference]: Finished difference Result 1693 states and 2063 transitions. [2020-09-25 13:18:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 13:18:48,411 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2020-09-25 13:18:48,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:18:48,418 INFO L225 Difference]: With dead ends: 1693 [2020-09-25 13:18:48,418 INFO L226 Difference]: Without dead ends: 1016 [2020-09-25 13:18:48,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-25 13:18:48,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2020-09-25 13:18:48,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 808. [2020-09-25 13:18:48,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2020-09-25 13:18:48,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 926 transitions. [2020-09-25 13:18:48,539 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 926 transitions. Word has length 212 [2020-09-25 13:18:48,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:18:48,540 INFO L479 AbstractCegarLoop]: Abstraction has 808 states and 926 transitions. [2020-09-25 13:18:48,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 13:18:48,540 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 926 transitions. [2020-09-25 13:18:48,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-25 13:18:48,546 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:18:48,546 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 13:18:48,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 13:18:48,547 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:18:48,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:18:48,547 INFO L82 PathProgramCache]: Analyzing trace with hash 655364526, now seen corresponding path program 1 times [2020-09-25 13:18:48,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:18:48,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [148907136] [2020-09-25 13:18:48,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:18:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:48,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:49,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:49,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-25 13:18:49,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:49,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 701 [2020-09-25 13:18:49,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:49,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:49,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:49,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 198 [2020-09-25 13:18:49,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:18:49,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:49,662 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 13:18:49,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:49,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:49,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:49,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 13:18:49,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:49,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-09-25 13:18:49,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:49,784 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:49,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:49,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:49,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:49,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:49,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 13:18:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:49,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:49,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:49,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:49,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:49,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:49,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:49,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:49,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:49,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:49,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:49,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:49,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 13:18:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:49,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:49,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:49,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:49,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:49,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 13:18:49,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:49,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:49,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:49,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:49,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:49,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:49,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 13:18:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:49,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:49,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:49,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:49,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:49,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:49,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:49,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:49,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:49,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:49,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:49,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:49,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 13:18:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:49,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:49,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:49,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 13:18:49,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:49,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:49,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:49,881 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:49,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:49,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:49,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:49,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:49,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 13:18:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:49,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:49,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:49,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:49,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:49,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:49,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:49,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:49,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:49,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:49,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:49,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:49,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 13:18:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:49,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:49,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:49,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:49,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:49,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 13:18:49,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:49,918 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:49,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:49,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:49,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:49,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:49,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 13:18:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:49,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:49,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:49,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-25 13:18:49,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:49,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:49,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:49,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:49,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:49,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:49,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:49,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:49,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:18:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:49,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:49,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:49,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:49,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:49,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:49,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:49,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:49,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:49,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:49,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:49,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:49,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-25 13:18:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:49,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-25 13:18:50,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 13:18:50,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,014 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:50,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 13:18:50,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:18:50,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:18:50,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 13:18:50,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 13:18:50,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:50,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 13:18:50,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:18:50,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 13:18:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 13:18:50,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 13:18:50,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 13:18:50,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 13:18:50,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:18:50,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 13:18:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:18:50,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 13:18:50,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 13:18:50,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:18:50,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 13:18:50,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 13:18:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:18:50,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 13:18:50,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:50,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 13:18:50,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:50,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-25 13:18:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:50,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:50,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:50,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:50,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:50,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-25 13:18:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:18:50,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:18:50,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:18:50,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:18:50,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:18:50,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 13:18:50,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:18:50,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 13:18:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:18:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 13:18:50,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:18:50,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:18:50,247 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-25 13:18:50,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [148907136] [2020-09-25 13:18:50,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:18:50,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 13:18:50,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395040800] [2020-09-25 13:18:50,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 13:18:50,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:18:50,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 13:18:50,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-25 13:18:50,250 INFO L87 Difference]: Start difference. First operand 808 states and 926 transitions. Second operand 10 states. [2020-09-25 13:18:51,637 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190