/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:56:25,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:56:25,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:56:25,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:56:25,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:56:25,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:56:25,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:56:25,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:56:25,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:56:25,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:56:25,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:56:25,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:56:25,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:56:25,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:56:25,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:56:25,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:56:25,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:56:25,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:56:25,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:56:25,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:56:25,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:56:25,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:56:25,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:56:25,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:56:25,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:56:25,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:56:25,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:56:25,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:56:25,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:56:25,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:56:25,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:56:25,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:56:25,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:56:25,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:56:26,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:56:26,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:56:26,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:56:26,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:56:26,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:56:26,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:56:26,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:56:26,008 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 11:56:26,069 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:56:26,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:56:26,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:56:26,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:56:26,072 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:56:26,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:56:26,072 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:56:26,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:56:26,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:56:26,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:56:26,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:56:26,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:56:26,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:56:26,074 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:56:26,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:56:26,076 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:56:26,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:56:26,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:56:26,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:56:26,077 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:56:26,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:56:26,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:56:26,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:56:26,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:56:26,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:56:26,078 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:56:26,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:56:26,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:56:26,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:56:26,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 11:56:26,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:56:26,632 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:56:26,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:56:26,639 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:56:26,639 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:56:26,640 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c [2020-09-25 11:56:26,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe6cdfbee/385fa68cc9c34a08a27e845333a86873/FLAG4c7bba510 [2020-09-25 11:56:27,344 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:56:27,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product14.cil.c [2020-09-25 11:56:27,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe6cdfbee/385fa68cc9c34a08a27e845333a86873/FLAG4c7bba510 [2020-09-25 11:56:27,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/fe6cdfbee/385fa68cc9c34a08a27e845333a86873 [2020-09-25 11:56:27,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:56:27,578 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:56:27,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:56:27,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:56:27,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:56:27,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:56:27" (1/1) ... [2020-09-25 11:56:27,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:27, skipping insertion in model container [2020-09-25 11:56:27,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:56:27" (1/1) ... [2020-09-25 11:56:27,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:56:27,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:56:27,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:56:28,102 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:56:28,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:56:28,239 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:56:28,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28 WrapperNode [2020-09-25 11:56:28,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:56:28,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:56:28,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:56:28,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:56:28,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (1/1) ... [2020-09-25 11:56:28,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (1/1) ... [2020-09-25 11:56:28,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (1/1) ... [2020-09-25 11:56:28,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (1/1) ... [2020-09-25 11:56:28,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (1/1) ... [2020-09-25 11:56:28,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (1/1) ... [2020-09-25 11:56:28,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (1/1) ... [2020-09-25 11:56:28,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:56:28,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:56:28,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:56:28,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:56:28,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (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 11:56:28,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:56:28,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:56:28,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:56:28,438 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:56:28,438 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:56:28,439 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:56:28,439 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:56:28,439 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:56:28,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:56:28,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:56:28,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:56:28,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:56:28,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:56:28,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:56:28,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:56:28,441 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:56:28,441 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:56:28,441 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:56:28,441 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:56:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:56:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:56:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:56:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:56:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:56:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:56:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:56:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 11:56:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:56:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 11:56:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:56:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:56:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:56:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:56:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:56:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 11:56:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 11:56:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:56:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:56:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:56:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:56:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:56:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:56:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:56:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:56:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:56:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:56:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:56:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:56:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:56:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:56:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:56:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:56:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:56:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:56:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:56:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:56:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:56:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:56:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:56:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:56:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:56:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:56:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:56:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:56:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:56:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:56:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:56:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:56:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:56:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:56:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:56:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:56:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:56:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:56:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:56:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 11:56:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:56:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:56:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:56:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 11:56:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:56:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 11:56:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:56:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 11:56:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:56:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:56:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:56:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:56:29,581 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:56:29,581 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:56:29,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:56:29 BoogieIcfgContainer [2020-09-25 11:56:29,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:56:29,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:56:29,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:56:29,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:56:29,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:56:27" (1/3) ... [2020-09-25 11:56:29,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6d5739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:56:29, skipping insertion in model container [2020-09-25 11:56:29,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (2/3) ... [2020-09-25 11:56:29,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b6d5739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:56:29, skipping insertion in model container [2020-09-25 11:56:29,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:56:29" (3/3) ... [2020-09-25 11:56:29,598 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2020-09-25 11:56:29,610 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:56:29,621 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:56:29,642 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:56:29,670 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:56:29,671 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:56:29,671 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:56:29,671 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:56:29,671 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:56:29,671 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:56:29,672 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:56:29,672 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:56:29,697 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states. [2020-09-25 11:56:29,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 11:56:29,713 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:56:29,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:56:29,715 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:56:29,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:56:29,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1040568613, now seen corresponding path program 1 times [2020-09-25 11:56:29,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:56:29,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1417068974] [2020-09-25 11:56:29,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:56:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:30,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:30,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:31,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:32,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:35,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:35,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 11:56:35,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:56:35,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5047 [2020-09-25 11:56:35,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:35,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:56:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 11:56:35,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-25 11:56:35,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 11:56:35,708 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:56:35,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:56:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:35,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:36,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:36,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:56:36,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:36,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-09-25 11:56:36,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:36,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:36,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:36,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:36,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 11:56:36,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:36,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:56:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:36,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:36,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:36,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:36,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:36,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:56:36,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:36,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:36,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:36,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:36,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:36,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:56:36,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:56:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:36,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:36,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:36,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:36,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:36,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 11:56:36,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:36,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:36,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:36,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:36,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:56:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:36,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:36,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:36,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:36,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:36,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:56:36,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:36,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:36,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:36,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:36,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:36,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:36,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:56:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:36,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:36,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:36,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:36,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:36,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:56:36,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:36,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:36,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:36,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:36,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:36,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:36,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:56:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:36,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:36,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:36,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:36,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:36,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:36,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:36,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:56:36,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:56:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:56:36,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:36,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 11:56:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:36,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:36,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:36,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:36,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:36,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:36,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:36,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:56:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:56:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:56:36,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:36,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:56:36,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1417068974] [2020-09-25 11:56:36,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:56:36,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 11:56:36,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705507574] [2020-09-25 11:56:36,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 11:56:36,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:56:36,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 11:56:36,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 11:56:36,377 INFO L87 Difference]: Start difference. First operand 278 states. Second operand 5 states. [2020-09-25 11:56:37,199 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:38,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:56:38,214 INFO L93 Difference]: Finished difference Result 400 states and 481 transitions. [2020-09-25 11:56:38,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 11:56:38,217 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-09-25 11:56:38,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:56:38,248 INFO L225 Difference]: With dead ends: 400 [2020-09-25 11:56:38,248 INFO L226 Difference]: Without dead ends: 257 [2020-09-25 11:56:38,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:56:38,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-09-25 11:56:38,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 217. [2020-09-25 11:56:38,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-09-25 11:56:38,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 233 transitions. [2020-09-25 11:56:38,434 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 233 transitions. Word has length 142 [2020-09-25 11:56:38,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:56:38,440 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 233 transitions. [2020-09-25 11:56:38,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 11:56:38,440 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 233 transitions. [2020-09-25 11:56:38,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-25 11:56:38,451 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:56:38,452 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:56:38,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:56:38,453 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:56:38,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:56:38,453 INFO L82 PathProgramCache]: Analyzing trace with hash 634330525, now seen corresponding path program 1 times [2020-09-25 11:56:38,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:56:38,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [154907234] [2020-09-25 11:56:38,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:56:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:38,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:38,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:39,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:39,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:41,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:43,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:43,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 11:56:43,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:56:43,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 11:56:43,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:43,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:43,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:56:43,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 11:56:43,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-25 11:56:43,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:43,865 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:56:43,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:56:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:43,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:44,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:44,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:56:44,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:44,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-09-25 11:56:44,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:44,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:44,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:44,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:44,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 11:56:44,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:44,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:56:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:44,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:44,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:44,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:44,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:44,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:44,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:44,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:44,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:44,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:44,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:44,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:44,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:56:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:44,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:44,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:44,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:44,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:44,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:44,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:44,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:44,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:44,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:44,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:44,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:44,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:56:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:44,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:44,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:44,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:44,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:44,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:56:44,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:44,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:44,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:44,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:44,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:44,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:44,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:56:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:44,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:44,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:44,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:44,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:44,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:44,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:44,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:44,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:44,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:44,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:44,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:44,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 11:56:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:44,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:44,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:44,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:56:44,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:44,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:56:44,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:44,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:44,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:44,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:44,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 11:56:44,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:44,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:56:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:44,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:44,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:44,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:44,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:44,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:56:44,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:44,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:44,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:56:44,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:44,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:56:44,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:44,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 11:56:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:44,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:44,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:44,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:44,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:44,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:56:44,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:44,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:44,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:56:44,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:44,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:44,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:44,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 11:56:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:44,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:44,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:44,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:44,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:44,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:56:44,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:44,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:44,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:56:44,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:56:44,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:56:44,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:56:44,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [154907234] [2020-09-25 11:56:44,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:56:44,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:56:44,355 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776065238] [2020-09-25 11:56:44,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:56:44,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:56:44,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:56:44,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:56:44,359 INFO L87 Difference]: Start difference. First operand 217 states and 233 transitions. Second operand 9 states. [2020-09-25 11:56:44,897 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:46,035 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:46,411 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:56:47,161 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:47,505 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:48,106 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:48,455 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:56:48,782 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:49,360 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:50,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:56:50,067 INFO L93 Difference]: Finished difference Result 539 states and 668 transitions. [2020-09-25 11:56:50,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 11:56:50,067 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-09-25 11:56:50,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:56:50,074 INFO L225 Difference]: With dead ends: 539 [2020-09-25 11:56:50,074 INFO L226 Difference]: Without dead ends: 408 [2020-09-25 11:56:50,077 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 11:56:50,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-09-25 11:56:50,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 299. [2020-09-25 11:56:50,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-09-25 11:56:50,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 327 transitions. [2020-09-25 11:56:50,153 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 327 transitions. Word has length 151 [2020-09-25 11:56:50,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:56:50,154 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 327 transitions. [2020-09-25 11:56:50,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:56:50,154 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 327 transitions. [2020-09-25 11:56:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-25 11:56:50,159 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:56:50,159 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:56:50,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:56:50,160 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:56:50,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:56:50,160 INFO L82 PathProgramCache]: Analyzing trace with hash -225365737, now seen corresponding path program 1 times [2020-09-25 11:56:50,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:56:50,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180080935] [2020-09-25 11:56:50,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:56:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:50,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:50,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:51,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:53,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:53,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-25 11:56:53,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:56:53,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3657 [2020-09-25 11:56:53,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:53,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:53,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:56:53,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 11:56:53,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-25 11:56:53,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:56:54,247 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:56:54,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:56:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:54,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:54,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:54,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:56:54,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:54,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-09-25 11:56:54,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:54,486 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:54,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:54,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:54,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:56:54,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:54,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:56:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:54,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:54,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:54,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:54,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:54,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:56:54,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:54,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:54,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:54,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:54,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:54,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:56:54,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:56:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:54,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:54,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:54,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:54,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:54,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:56:54,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:54,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:54,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:54,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:54,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:54,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:56:54,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:56:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:54,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:54,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:54,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:54,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:54,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:56:54,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:54,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:54,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:54,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:54,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:54,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:54,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:56:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:54,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:54,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:54,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:54,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:54,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:56:54,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:54,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:54,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:54,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:54,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:56:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:54,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:54,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:54,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:56:54,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:54,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:56:54,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:54,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:54,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:54,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:54,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:56:54,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:54,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 11:56:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:54,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:54,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:54,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:56:54,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:54,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:56:54,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:54,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:54,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:54,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:54,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:56:54,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:54,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 11:56:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:54,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:54,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:54,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:54,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:56:54,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:56:54,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:56:54,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:54,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:54,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:56:54,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:56:54,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 11:56:54,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:54,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:56:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:54,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:54,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:54,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:54,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:54,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:54,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:54,715 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:54,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:54,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:54,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:54,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:54,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 11:56:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:54,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:54,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:54,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:54,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:54,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:56:54,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:54,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:54,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:54,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:54,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:54,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:54,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 11:56:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:54,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:54,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:54,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:54,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:54,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:56:54,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:54,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:54,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:56:54,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:54,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:54,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:54,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:56:54,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180080935] [2020-09-25 11:56:54,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:56:54,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 11:56:54,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595539223] [2020-09-25 11:56:54,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 11:56:54,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:56:54,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 11:56:54,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 11:56:54,876 INFO L87 Difference]: Start difference. First operand 299 states and 327 transitions. Second operand 11 states. [2020-09-25 11:56:55,520 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:56,916 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:57,296 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:56:57,670 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:58,065 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:56:58,425 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:56:58,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:56:58,943 INFO L93 Difference]: Finished difference Result 556 states and 663 transitions. [2020-09-25 11:56:58,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 11:56:58,944 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 169 [2020-09-25 11:56:58,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:56:58,946 INFO L225 Difference]: With dead ends: 556 [2020-09-25 11:56:58,946 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 11:56:58,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2020-09-25 11:56:58,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 11:56:58,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 11:56:58,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 11:56:58,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 11:56:58,951 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2020-09-25 11:56:58,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:56:58,951 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 11:56:58,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 11:56:58,951 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 11:56:58,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 11:56:58,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:56:58,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 11:56:59,160 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:59,333 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:59,458 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 7 [2020-09-25 11:56:59,867 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:57:00,351 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:57:00,607 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:00,764 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:00,948 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:01,103 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:01,367 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 9 [2020-09-25 11:57:01,999 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-25 11:57:02,260 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-25 11:57:02,521 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-25 11:57:02,782 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-25 11:57:03,046 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-25 11:57:03,417 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:57:03,789 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:57:04,161 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:57:04,532 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:57:04,682 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:04,836 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:05,081 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 13 [2020-09-25 11:57:05,234 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:05,382 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:05,540 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:05,692 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:05,842 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:05,997 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:06,150 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:06,304 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:06,453 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:06,592 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:57:06,741 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:06,890 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:07,040 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:07,188 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:07,342 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:07,495 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:07,647 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:07,800 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:07,954 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:08,102 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:08,251 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:08,400 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:08,548 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:08,695 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:08,850 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:09,000 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:09,153 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:09,300 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:09,453 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:09,606 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:09,754 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:09,907 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:10,060 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:10,309 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 9 [2020-09-25 11:57:10,462 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:10,615 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:11,079 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:57:11,542 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:57:11,789 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:11,945 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:12,098 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:12,251 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:12,399 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:12,552 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:12,705 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:12,853 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:13,001 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:13,149 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:13,297 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:13,445 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:13,594 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:13,741 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:13,890 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:14,038 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:14,671 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 11:57:14,928 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 11:57:15,184 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 11:57:15,441 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 11:57:15,699 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 11:57:16,032 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:57:16,359 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:57:16,687 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:57:17,013 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:57:17,176 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:17,333 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:17,485 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:17,633 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:17,790 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:17,943 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:18,191 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 9 [2020-09-25 11:57:18,348 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:18,496 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:18,749 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 9 [2020-09-25 11:57:18,997 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 9 [2020-09-25 11:57:19,152 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:19,301 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:19,450 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:19,600 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:19,748 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:19,897 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:20,045 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:20,198 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:20,715 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-09-25 11:57:20,951 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-09-25 11:57:21,212 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 11:57:21,481 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 11:57:21,690 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-25 11:57:22,245 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2020-09-25 11:57:22,418 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2020-09-25 11:57:22,955 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11