/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_spec4_product07.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 12:05:20,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 12:05:20,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 12:05:20,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 12:05:20,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 12:05:20,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 12:05:20,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 12:05:20,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 12:05:20,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 12:05:20,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 12:05:20,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 12:05:20,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 12:05:20,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 12:05:20,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 12:05:20,053 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 12:05:20,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 12:05:20,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 12:05:20,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 12:05:20,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 12:05:20,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 12:05:20,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 12:05:20,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 12:05:20,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 12:05:20,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 12:05:20,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 12:05:20,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 12:05:20,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 12:05:20,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 12:05:20,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 12:05:20,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 12:05:20,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 12:05:20,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 12:05:20,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 12:05:20,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 12:05:20,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 12:05:20,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 12:05:20,075 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 12:05:20,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 12:05:20,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 12:05:20,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 12:05:20,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 12:05:20,079 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 12:05:20,106 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 12:05:20,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 12:05:20,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 12:05:20,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 12:05:20,108 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 12:05:20,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 12:05:20,108 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 12:05:20,108 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 12:05:20,108 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 12:05:20,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 12:05:20,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 12:05:20,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 12:05:20,109 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 12:05:20,109 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 12:05:20,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 12:05:20,110 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 12:05:20,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 12:05:20,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 12:05:20,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 12:05:20,111 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 12:05:20,111 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 12:05:20,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:05:20,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 12:05:20,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 12:05:20,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 12:05:20,112 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 12:05:20,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 12:05:20,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 12:05:20,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 12:05:20,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 12:05:20,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 12:05:20,637 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 12:05:20,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 12:05:20,643 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 12:05:20,644 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 12:05:20,645 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-09-25 12:05:20,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bd0c9f5a/9d6fdb7746e44e4ea752b17e45de60b3/FLAGac898263b [2020-09-25 12:05:21,266 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 12:05:21,267 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product07.cil.c [2020-09-25 12:05:21,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bd0c9f5a/9d6fdb7746e44e4ea752b17e45de60b3/FLAGac898263b [2020-09-25 12:05:21,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6bd0c9f5a/9d6fdb7746e44e4ea752b17e45de60b3 [2020-09-25 12:05:21,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 12:05:21,605 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 12:05:21,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 12:05:21,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 12:05:21,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 12:05:21,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:05:21" (1/1) ... [2020-09-25 12:05:21,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ecced43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:21, skipping insertion in model container [2020-09-25 12:05:21,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:05:21" (1/1) ... [2020-09-25 12:05:21,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 12:05:21,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 12:05:22,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:05:22,186 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 12:05:22,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 12:05:22,312 INFO L208 MainTranslator]: Completed translation [2020-09-25 12:05:22,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:22 WrapperNode [2020-09-25 12:05:22,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 12:05:22,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 12:05:22,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 12:05:22,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 12:05:22,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:22" (1/1) ... [2020-09-25 12:05:22,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:22" (1/1) ... [2020-09-25 12:05:22,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:22" (1/1) ... [2020-09-25 12:05:22,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:22" (1/1) ... [2020-09-25 12:05:22,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:22" (1/1) ... [2020-09-25 12:05:22,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:22" (1/1) ... [2020-09-25 12:05:22,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:22" (1/1) ... [2020-09-25 12:05:22,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 12:05:22,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 12:05:22,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 12:05:22,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 12:05:22,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:22" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 12:05:22,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 12:05:22,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 12:05:22,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 12:05:22,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 12:05:22,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 12:05:22,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 12:05:22,501 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 12:05:22,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 12:05:22,502 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 12:05:22,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 12:05:22,502 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 12:05:22,502 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 12:05:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 12:05:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 12:05:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 12:05:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 12:05:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 12:05:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 12:05:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 12:05:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-25 12:05:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 12:05:22,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 12:05:22,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 12:05:22,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 12:05:22,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 12:05:22,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 12:05:22,505 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 12:05:22,506 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 12:05:22,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 12:05:22,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 12:05:22,506 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 12:05:22,506 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 12:05:22,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 12:05:22,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 12:05:22,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 12:05:22,507 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 12:05:22,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 12:05:22,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 12:05:22,507 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 12:05:22,507 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 12:05:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 12:05:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 12:05:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 12:05:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 12:05:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 12:05:22,508 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 12:05:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 12:05:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 12:05:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 12:05:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 12:05:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 12:05:22,509 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 12:05:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 12:05:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 12:05:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 12:05:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 12:05:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 12:05:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 12:05:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 12:05:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 12:05:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-25 12:05:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 12:05:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 12:05:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 12:05:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 12:05:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 12:05:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 12:05:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 12:05:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 12:05:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 12:05:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 12:05:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 12:05:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 12:05:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 12:05:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 12:05:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 12:05:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 12:05:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 12:05:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 12:05:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 12:05:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 12:05:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 12:05:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 12:05:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 12:05:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 12:05:22,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 12:05:23,681 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 12:05:23,681 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 12:05:23,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:05:23 BoogieIcfgContainer [2020-09-25 12:05:23,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 12:05:23,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 12:05:23,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 12:05:23,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 12:05:23,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:05:21" (1/3) ... [2020-09-25 12:05:23,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7e0967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:05:23, skipping insertion in model container [2020-09-25 12:05:23,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:05:22" (2/3) ... [2020-09-25 12:05:23,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a7e0967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:05:23, skipping insertion in model container [2020-09-25 12:05:23,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:05:23" (3/3) ... [2020-09-25 12:05:23,698 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2020-09-25 12:05:23,710 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 12:05:23,722 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 12:05:23,746 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 12:05:23,778 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 12:05:23,779 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 12:05:23,779 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 12:05:23,779 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 12:05:23,779 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 12:05:23,779 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 12:05:23,779 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 12:05:23,780 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 12:05:23,808 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states. [2020-09-25 12:05:23,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 12:05:23,825 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:05:23,827 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 12:05:23,827 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:05:23,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:05:23,835 INFO L82 PathProgramCache]: Analyzing trace with hash 915241318, now seen corresponding path program 1 times [2020-09-25 12:05:23,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:05:23,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [143193522] [2020-09-25 12:05:23,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:05:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:24,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:24,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:25,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:27,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:29,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:29,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 12:05:29,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:05:29,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 12:05:29,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:29,229 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:29,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 12:05:29,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 12:05:29,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-25 12:05:29,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 12:05:29,696 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:05:29,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:05:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:29,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:30,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:30,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:05:30,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:30,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 269 [2020-09-25 12:05:30,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:30,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:30,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:30,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:30,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 12:05:30,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:30,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:05:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:30,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:30,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:30,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:30,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:30,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:05:30,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:30,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:30,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:30,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:30,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:05:30,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:30,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 12:05:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:30,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:30,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:30,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:30,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:30,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:30,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:30,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:05:30,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:30,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:05:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:30,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:30,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:30,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:30,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:30,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:05:30,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:30,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:30,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:30,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:30,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:05:30,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:30,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 12:05:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:30,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:30,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:30,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:30,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:30,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:05:30,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:30,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:05:30,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:30,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 12:05:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:30,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:30,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:30,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:30,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:30,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:30,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:30,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:30,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:30,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:05:30,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:30,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:30,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 12:05:30,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:30,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:30,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:30,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:30,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:30,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:30,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:30,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:05:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:30,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 12:05:30,171 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 12:05:30,172 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [143193522] [2020-09-25 12:05:30,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:05:30,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 12:05:30,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35285878] [2020-09-25 12:05:30,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 12:05:30,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:05:30,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 12:05:30,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 12:05:30,204 INFO L87 Difference]: Start difference. First operand 275 states. Second operand 5 states. [2020-09-25 12:05:30,850 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 12:05:31,629 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:05:33,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:05:33,575 INFO L93 Difference]: Finished difference Result 672 states and 845 transitions. [2020-09-25 12:05:33,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 12:05:33,579 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-09-25 12:05:33,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:05:33,600 INFO L225 Difference]: With dead ends: 672 [2020-09-25 12:05:33,600 INFO L226 Difference]: Without dead ends: 494 [2020-09-25 12:05:33,607 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 12:05:33,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-09-25 12:05:33,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 412. [2020-09-25 12:05:33,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-09-25 12:05:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 467 transitions. [2020-09-25 12:05:33,759 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 467 transitions. Word has length 142 [2020-09-25 12:05:33,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:05:33,760 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 467 transitions. [2020-09-25 12:05:33,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 12:05:33,761 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 467 transitions. [2020-09-25 12:05:33,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-25 12:05:33,766 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:05:33,766 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 12:05:33,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 12:05:33,767 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:05:33,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:05:33,768 INFO L82 PathProgramCache]: Analyzing trace with hash 717440272, now seen corresponding path program 1 times [2020-09-25 12:05:33,768 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:05:33,769 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [287334864] [2020-09-25 12:05:33,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:05:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:33,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:34,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:35,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:35,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:38,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:38,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 12:05:38,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:05:38,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-25 12:05:38,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:38,858 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:05:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 12:05:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-25 12:05:38,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:39,197 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:05:39,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:05:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:39,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:39,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:39,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:05:39,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:39,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 255 [2020-09-25 12:05:39,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:39,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:39,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:39,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:39,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 12:05:39,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:39,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:05:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:39,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:39,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:39,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:39,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:39,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:39,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:39,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:39,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:39,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:39,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:05:39,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:39,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 12:05:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:39,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:39,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:39,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:39,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:39,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:39,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:39,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:39,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:39,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:39,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:05:39,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:39,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:05:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:39,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:39,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:39,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:39,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:39,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 12:05:39,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:39,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:39,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:39,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:39,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:05:39,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:39,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 12:05:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:39,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:39,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:39,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:39,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:39,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:39,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:39,559 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:39,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:39,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:39,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:05:39,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:39,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 12:05:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:39,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:39,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:39,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:05:39,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:39,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:39,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:39,578 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:39,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 12:05:39,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:39,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:05:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:39,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:39,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:39,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:39,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:39,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:39,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:39,585 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:39,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:39,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:39,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:39,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:39,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 12:05:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:39,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:39,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:39,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:39,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:39,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 12:05:39,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:39,596 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:05:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:39,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:05:39,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:39,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 12:05:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:39,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:39,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:39,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:39,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:39,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:39,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:39,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:39,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:39,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:05:39,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:39,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:39,653 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 12:05:39,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [287334864] [2020-09-25 12:05:39,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:05:39,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 12:05:39,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115256825] [2020-09-25 12:05:39,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 12:05:39,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:05:39,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 12:05:39,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 12:05:39,658 INFO L87 Difference]: Start difference. First operand 412 states and 467 transitions. Second operand 9 states. [2020-09-25 12:05:40,115 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 12:05:41,260 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:05:41,571 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:05:41,981 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:05:42,332 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 12:05:42,626 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:05:42,968 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:05:43,256 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 12:05:44,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:05:44,511 INFO L93 Difference]: Finished difference Result 1226 states and 1609 transitions. [2020-09-25 12:05:44,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 12:05:44,511 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-09-25 12:05:44,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:05:44,530 INFO L225 Difference]: With dead ends: 1226 [2020-09-25 12:05:44,531 INFO L226 Difference]: Without dead ends: 924 [2020-09-25 12:05:44,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-25 12:05:44,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-09-25 12:05:44,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 693. [2020-09-25 12:05:44,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2020-09-25 12:05:44,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 827 transitions. [2020-09-25 12:05:44,710 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 827 transitions. Word has length 151 [2020-09-25 12:05:44,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:05:44,713 INFO L479 AbstractCegarLoop]: Abstraction has 693 states and 827 transitions. [2020-09-25 12:05:44,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 12:05:44,714 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 827 transitions. [2020-09-25 12:05:44,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-25 12:05:44,718 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:05:44,718 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] [2020-09-25 12:05:44,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 12:05:44,719 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:05:44,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:05:44,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1933049782, now seen corresponding path program 1 times [2020-09-25 12:05:44,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:05:44,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899873363] [2020-09-25 12:05:44,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:05:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:44,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:44,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:45,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:49,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:49,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-25 12:05:49,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 12:05:49,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-09-25 12:05:49,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:49,789 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 12:05:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 12:05:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-09-25 12:05:49,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 12:05:50,122 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:05:50,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:05:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:50,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:50,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:50,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:05:50,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:50,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 221 [2020-09-25 12:05:50,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:50,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:50,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:50,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:50,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 12:05:50,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:50,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:05:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:50,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:50,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:50,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:50,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:50,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:50,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:50,429 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:50,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:50,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:50,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:05:50,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:50,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 12:05:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:50,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:50,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:50,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:50,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:50,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:50,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:50,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:50,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:50,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:50,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:05:50,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:50,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:05:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:50,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:50,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:50,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:50,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:50,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:05:50,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:50,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:50,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:50,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:50,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:05:50,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:50,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 12:05:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:50,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:50,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:50,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:50,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:50,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:50,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:50,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:50,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:50,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:50,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:05:50,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:50,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-25 12:05:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:50,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:50,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:50,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:05:50,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:50,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:05:50,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:50,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:50,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:50,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 12:05:50,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:50,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:50,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 12:05:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:50,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:50,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:50,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:05:50,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:50,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:50,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:50,499 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:50,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:50,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 12:05:50,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:50,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:50,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:05:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:50,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:50,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:50,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:50,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:50,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:50,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:50,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:50,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:50,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:50,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:50,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:50,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 12:05:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:50,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:50,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:50,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:50,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:50,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:50,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:50,516 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:50,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:50,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:05:50,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:50,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:50,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 12:05:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:50,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:50,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:50,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:50,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:50,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 12:05:50,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:50,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:50,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 12:05:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 12:05:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 12:05:50,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:50,587 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 12:05:50,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899873363] [2020-09-25 12:05:50,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:05:50,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 12:05:50,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920942685] [2020-09-25 12:05:50,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 12:05:50,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:05:50,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 12:05:50,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 12:05:50,590 INFO L87 Difference]: Start difference. First operand 693 states and 827 transitions. Second operand 6 states. [2020-09-25 12:05:51,267 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:05:51,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:05:51,928 INFO L93 Difference]: Finished difference Result 1150 states and 1440 transitions. [2020-09-25 12:05:51,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-25 12:05:51,929 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2020-09-25 12:05:51,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:05:51,935 INFO L225 Difference]: With dead ends: 1150 [2020-09-25 12:05:51,935 INFO L226 Difference]: Without dead ends: 536 [2020-09-25 12:05:51,938 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:05:51,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2020-09-25 12:05:52,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 506. [2020-09-25 12:05:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2020-09-25 12:05:52,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 562 transitions. [2020-09-25 12:05:52,020 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 562 transitions. Word has length 156 [2020-09-25 12:05:52,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:05:52,022 INFO L479 AbstractCegarLoop]: Abstraction has 506 states and 562 transitions. [2020-09-25 12:05:52,022 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 12:05:52,022 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 562 transitions. [2020-09-25 12:05:52,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 12:05:52,026 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 12:05:52,026 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] [2020-09-25 12:05:52,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 12:05:52,027 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 12:05:52,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 12:05:52,027 INFO L82 PathProgramCache]: Analyzing trace with hash 668526196, now seen corresponding path program 1 times [2020-09-25 12:05:52,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 12:05:52,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [860874934] [2020-09-25 12:05:52,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 12:05:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:52,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:53,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:53,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:53,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:57,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:57,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 12:05:57,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 12:05:57,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-09-25 12:05:57,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:57,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:57,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 12:05:57,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 12:05:57,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 12:05:57,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:05:57,497 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:05:57,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 12:05:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:57,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:57,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:57,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 12:05:57,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:57,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 254 [2020-09-25 12:05:57,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:57,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:57,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:57,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:57,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 12:05:57,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 12:05:57,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 12:05:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:57,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:57,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:57,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:57,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:57,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:05:57,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:57,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:57,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:57,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:57,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:05:57,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:05:57,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 12:05:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:57,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:57,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:57,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:57,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:57,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:05:57,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:57,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:57,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:57,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:57,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:05:57,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:57,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 12:05:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:57,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:57,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:57,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:57,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:57,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:05:57,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:57,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:57,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:57,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:57,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:05:57,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:05:57,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 12:05:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:57,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:57,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:57,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:57,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:57,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:57,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:57,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:57,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:57,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:57,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:05:57,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:57,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-25 12:05:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:57,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:57,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:57,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 12:05:57,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:57,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 12:05:57,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:57,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:57,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:57,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:57,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 12:05:57,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:57,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 12:05:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:57,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:57,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:57,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:57,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 12:05:57,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 12:05:57,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 12:05:57,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:57,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:57,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 12:05:57,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 12:05:57,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 12:05:57,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:57,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 12:05:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:57,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:57,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:57,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 12:05:57,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:57,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 12:05:57,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:57,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:57,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:57,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:57,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 12:05:57,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 12:05:57,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 12:05:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:57,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:57,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:57,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:57,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:57,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 12:05:57,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:57,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:57,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 12:05:57,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:57,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:05:57,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:57,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 12:05:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 12:05:57,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 12:05:58,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 12:05:58,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 12:05:58,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 12:05:58,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 12:05:58,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 12:05:58,006 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 12:05:58,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 12:05:58,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 12:05:58,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 12:05:58,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 12:05:58,117 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 12:05:58,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [860874934] [2020-09-25 12:05:58,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 12:05:58,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 12:05:58,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106257607] [2020-09-25 12:05:58,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 12:05:58,121 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 12:05:58,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 12:05:58,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 12:05:58,122 INFO L87 Difference]: Start difference. First operand 506 states and 562 transitions. Second operand 10 states. [2020-09-25 12:05:58,662 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 12:05:59,828 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:06:00,167 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:06:00,472 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:06:00,806 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-25 12:06:01,111 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 12:06:01,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 12:06:01,318 INFO L93 Difference]: Finished difference Result 534 states and 598 transitions. [2020-09-25 12:06:01,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 12:06:01,319 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-09-25 12:06:01,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 12:06:01,320 INFO L225 Difference]: With dead ends: 534 [2020-09-25 12:06:01,320 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 12:06:01,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-25 12:06:01,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 12:06:01,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 12:06:01,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 12:06:01,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 12:06:01,323 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 165 [2020-09-25 12:06:01,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 12:06:01,324 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 12:06:01,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 12:06:01,324 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 12:06:01,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 12:06:01,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 12:06:01,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 12:06:01,538 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:06:01,704 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:06:01,871 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:06:02,033 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:06:02,200 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:06:02,371 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:06:02,527 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:06:02,685 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:06:02,839 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:06:02,997 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:06:03,160 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:06:03,317 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 12:06:03,471 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 12:06:03,638 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:06:03,935 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 12:06:04,266 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 12:06:04,609 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 12:06:04,938 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 12:06:05,187 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 12:06:05,436 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 12:06:05,759 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 12:06:06,008 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 12:06:06,258 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 12:06:06,502 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 12:06:06,753 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 12:06:07,079 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 12:06:07,330 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 12:06:07,574 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 12:06:07,817 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 12:06:08,061 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 12:06:08,324 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 12:06:08,644 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-25 12:06:08,969 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 12:06:09,240 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 7 [2020-09-25 12:06:09,514 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 7 [2020-09-25 12:06:09,673 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:06:09,831 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 12:06:09,969 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 12:06:10,123 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189