/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:56:26,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:56:26,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:56:26,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:56:26,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:56:26,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:56:26,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:56:26,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:56:26,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:56:26,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:56:26,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:56:26,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:56:26,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:56:26,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:56:26,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:56:26,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:56:26,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:56:26,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:56:26,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:56:26,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:56:26,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:56:26,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:56:26,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:56:26,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:56:26,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:56:26,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:56:26,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:56:26,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:56:26,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:56:26,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:56:26,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:56:26,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:56:26,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:56:26,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:56:26,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:56:26,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:56:26,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:56:26,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:56:26,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:56:26,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:56:26,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:56:26,411 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 11:56:26,437 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:56:26,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:56:26,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:56:26,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:56:26,439 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:56:26,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:56:26,440 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:56:26,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:56:26,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:56:26,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:56:26,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:56:26,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:56:26,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:56:26,441 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:56:26,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:56:26,441 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:56:26,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:56:26,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:56:26,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:56:26,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:56:26,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:56:26,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:56:26,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:56:26,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:56:26,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:56:26,443 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:56:26,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:56:26,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:56:26,444 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:56:26,444 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 11:56:26,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:56:26,937 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:56:26,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:56:26,943 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:56:26,943 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:56:26,945 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2020-09-25 11:56:27,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3eed5712b/370373138efe42e69f57fdace387d4d0/FLAG84d934ece [2020-09-25 11:56:27,642 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:56:27,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product16.cil.c [2020-09-25 11:56:27,656 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3eed5712b/370373138efe42e69f57fdace387d4d0/FLAG84d934ece [2020-09-25 11:56:27,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3eed5712b/370373138efe42e69f57fdace387d4d0 [2020-09-25 11:56:27,935 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:56:27,940 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:56:27,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:56:27,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:56:27,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:56:27,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:56:27" (1/1) ... [2020-09-25 11:56:27,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a556b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:27, skipping insertion in model container [2020-09-25 11:56:27,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:56:27" (1/1) ... [2020-09-25 11:56:27,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:56:28,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:56:28,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:56:28,516 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:56:28,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:56:28,641 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:56:28,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28 WrapperNode [2020-09-25 11:56:28,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:56:28,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:56:28,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:56:28,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:56:28,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (1/1) ... [2020-09-25 11:56:28,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (1/1) ... [2020-09-25 11:56:28,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (1/1) ... [2020-09-25 11:56:28,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (1/1) ... [2020-09-25 11:56:28,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (1/1) ... [2020-09-25 11:56:28,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (1/1) ... [2020-09-25 11:56:28,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (1/1) ... [2020-09-25 11:56:28,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:56:28,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:56:28,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:56:28,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:56:28,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:56:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:56:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:56:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:56:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:56:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:56:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:56:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:56:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:56:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:56:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 11:56:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:56:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:56:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:56:28,847 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:56:28,847 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:56:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:56:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:56:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:56:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:56:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:56:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:56:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:56:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:56:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:56:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:56:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:56:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:56:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 11:56:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:56:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 11:56:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:56:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:56:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:56:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:56:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:56:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 11:56:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 11:56:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:56:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:56:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:56:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:56:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:56:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:56:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:56:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:56:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:56:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:56:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:56:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:56:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:56:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 11:56:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:56:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:56:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:56:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:56:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:56:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:56:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:56:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:56:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:56:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:56:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:56:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:56:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:56:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:56:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:56:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:56:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:56:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:56:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:56:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:56:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:56:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:56:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:56:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:56:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:56:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:56:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:56:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:56:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:56:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:56:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 11:56:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 11:56:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:56:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 11:56:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:56:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 11:56:28,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:56:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:56:28,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:56:29,945 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:56:29,945 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:56:29,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:56:29 BoogieIcfgContainer [2020-09-25 11:56:29,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:56:29,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:56:29,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:56:29,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:56:29,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:56:27" (1/3) ... [2020-09-25 11:56:29,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149ac5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:56:29, skipping insertion in model container [2020-09-25 11:56:29,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:28" (2/3) ... [2020-09-25 11:56:29,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@149ac5ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:56:29, skipping insertion in model container [2020-09-25 11:56:29,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:56:29" (3/3) ... [2020-09-25 11:56:29,963 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2020-09-25 11:56:29,975 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:56:29,986 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:56:30,010 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:56:30,048 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:56:30,048 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:56:30,048 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:56:30,048 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:56:30,049 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:56:30,049 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:56:30,049 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:56:30,049 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:56:30,081 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states. [2020-09-25 11:56:30,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 11:56:30,099 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:56:30,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:56:30,101 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:56:30,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:56:30,112 INFO L82 PathProgramCache]: Analyzing trace with hash 665140827, now seen corresponding path program 1 times [2020-09-25 11:56:30,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:56:30,123 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1385563840] [2020-09-25 11:56:30,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:56:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:30,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:30,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:32,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:33,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:35,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:35,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 11:56:35,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:56:35,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-09-25 11:56:35,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:35,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:35,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:56:35,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 11:56:35,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-25 11:56:35,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:56:35,930 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:56:35,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:56:35,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:36,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:36,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:36,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:56:36,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:36,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-25 11:56:36,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:36,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:36,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:36,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:36,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 11:56:36,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:36,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:56:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:36,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:36,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:36,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:36,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:36,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:56:36,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:36,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:36,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:36,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:36,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:36,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:36,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:56:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:36,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:36,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:36,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:36,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:36,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:56:36,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:36,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:36,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:36,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:36,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:36,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:36,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:56:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:36,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:36,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:36,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:36,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:36,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 11:56:36,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:36,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:36,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:36,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:56:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:36,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:36,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:36,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:36,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:36,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:56:36,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:36,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:36,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:36,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:36,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:36,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:36,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:56:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:36,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:36,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:36,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:36,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:36,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:36,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:36,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:36,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:56:36,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:56:36,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:56:36,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:36,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 11:56:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:36,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:36,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:36,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:36,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:36,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:36,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:36,460 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:36,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:56:36,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:56:36,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:56:36,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:36,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:56:36,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1385563840] [2020-09-25 11:56:36,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:56:36,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 11:56:36,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692447676] [2020-09-25 11:56:36,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 11:56:36,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:56:36,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 11:56:36,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 11:56:36,531 INFO L87 Difference]: Start difference. First operand 284 states. Second operand 5 states. [2020-09-25 11:56:37,137 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:37,983 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:40,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:56:40,070 INFO L93 Difference]: Finished difference Result 670 states and 849 transitions. [2020-09-25 11:56:40,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 11:56:40,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-09-25 11:56:40,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:56:40,096 INFO L225 Difference]: With dead ends: 670 [2020-09-25 11:56:40,096 INFO L226 Difference]: Without dead ends: 493 [2020-09-25 11:56:40,102 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 11:56:40,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-09-25 11:56:40,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 406. [2020-09-25 11:56:40,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-09-25 11:56:40,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 463 transitions. [2020-09-25 11:56:40,256 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 463 transitions. Word has length 142 [2020-09-25 11:56:40,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:56:40,257 INFO L479 AbstractCegarLoop]: Abstraction has 406 states and 463 transitions. [2020-09-25 11:56:40,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 11:56:40,258 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 463 transitions. [2020-09-25 11:56:40,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-25 11:56:40,263 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:56:40,263 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:56:40,264 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:56:40,264 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:56:40,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:56:40,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1630585315, now seen corresponding path program 1 times [2020-09-25 11:56:40,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:56:40,265 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697283640] [2020-09-25 11:56:40,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:56:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:40,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:40,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:41,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:41,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:43,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:45,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:45,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 11:56:45,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:56:45,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-09-25 11:56:45,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:45,357 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:56:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 11:56:45,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-25 11:56:45,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:45,771 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:56:45,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:56:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:45,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:46,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:46,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:56:46,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:46,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-09-25 11:56:46,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:46,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:46,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 11:56:46,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:46,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:56:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:46,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:46,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:46,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:46,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:46,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:46,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:46,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:46,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:46,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:46,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:46,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:56:46,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:56:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:46,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:46,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:46,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:46,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:46,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:46,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:46,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:46,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:46,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:56:46,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:56:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:46,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:46,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:46,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:46,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:46,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:56:46,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:46,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:46,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:46,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:46,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:46,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:56:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:46,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:46,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:46,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:46,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:46,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:56:46,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:46,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:46,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:46,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:46,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:46,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 11:56:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:46,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:46,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:46,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:56:46,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:46,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:56:46,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:46,169 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:46,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:46,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:46,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 11:56:46,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:46,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:56:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:46,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:46,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:46,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:46,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:46,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:56:46,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:46,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:46,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:56:46,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:46,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:56:46,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:46,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 11:56:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:46,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:46,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:46,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:46,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:46,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:56:46,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:46,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:46,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:56:46,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:46,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 65 [2020-09-25 11:56:46,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 11:56:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:46,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:46,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:46,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:46,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:46,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:56:46,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:46,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:56:46,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:56:46,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:56:46,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:56:46,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:56:46,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697283640] [2020-09-25 11:56:46,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:56:46,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:56:46,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821885222] [2020-09-25 11:56:46,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:56:46,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:56:46,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:56:46,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:56:46,371 INFO L87 Difference]: Start difference. First operand 406 states and 463 transitions. Second operand 9 states. [2020-09-25 11:56:46,893 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:47,870 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:48,227 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:49,111 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:49,402 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:49,708 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:50,066 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:56:50,368 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:50,784 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:52,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:56:52,098 INFO L93 Difference]: Finished difference Result 1267 states and 1673 transitions. [2020-09-25 11:56:52,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 11:56:52,100 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-09-25 11:56:52,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:56:52,110 INFO L225 Difference]: With dead ends: 1267 [2020-09-25 11:56:52,110 INFO L226 Difference]: Without dead ends: 907 [2020-09-25 11:56:52,117 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-25 11:56:52,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2020-09-25 11:56:52,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 633. [2020-09-25 11:56:52,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2020-09-25 11:56:52,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 731 transitions. [2020-09-25 11:56:52,261 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 731 transitions. Word has length 151 [2020-09-25 11:56:52,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:56:52,262 INFO L479 AbstractCegarLoop]: Abstraction has 633 states and 731 transitions. [2020-09-25 11:56:52,262 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:56:52,262 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 731 transitions. [2020-09-25 11:56:52,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-25 11:56:52,266 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:56:52,267 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:56:52,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:56:52,267 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:56:52,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:56:52,268 INFO L82 PathProgramCache]: Analyzing trace with hash -1598410266, now seen corresponding path program 1 times [2020-09-25 11:56:52,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:56:52,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1054352500] [2020-09-25 11:56:52,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:56:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:52,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:52,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:53,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:55,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:55,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-25 11:56:55,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:56:55,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3124 [2020-09-25 11:56:55,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:55,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:55,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:56:55,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 11:56:55,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-25 11:56:55,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:55,794 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:56:55,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:56:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:55,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:56,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:56,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:56:56,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:56,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-09-25 11:56:56,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:56,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:56,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:56,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:56,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:56:56,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:56,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:56:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:56,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:56,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:56,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:56,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:56,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:56,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:56,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:56,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:56,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:56,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:56,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:56,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:56:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:56,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:56,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:56,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:56,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:56,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:56,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:56,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:56,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:56,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:56,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:56,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:56,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:56:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:56,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:56,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:56,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:56,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:56,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:56:56,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:56,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:56,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:56,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:56,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:56,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:56,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:56:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:56,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:56,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:56,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:56,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:56,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:56,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:56,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:56,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:56,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:56,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:56,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:56,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:56:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:56,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:56,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:56,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:56:56,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:56,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:56:56,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:56,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:56,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:56,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:56,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:56:56,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:56,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-25 11:56:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:56,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:56,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:56,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:56,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:56:56,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:56:56,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:56:56,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:56,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:56,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:56:56,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:56:56,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:56:56,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:56:56,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 11:56:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:56,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:56,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:56,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:56,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:56,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:56,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:56,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:56,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:56,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:56,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:56,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:56:56,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 11:56:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:56,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:56,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:56,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:56,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:56,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:56:56,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:56,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:56,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:56:56,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:56,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:56,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:56,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 11:56:56,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1054352500] [2020-09-25 11:56:56,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:56:56,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 11:56:56,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471263787] [2020-09-25 11:56:56,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 11:56:56,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:56:56,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 11:56:56,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-09-25 11:56:56,287 INFO L87 Difference]: Start difference. First operand 633 states and 731 transitions. Second operand 11 states. [2020-09-25 11:56:56,956 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:58,167 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:58,466 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:58,765 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:59,106 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:56:59,386 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:56:59,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:56:59,763 INFO L93 Difference]: Finished difference Result 1217 states and 1504 transitions. [2020-09-25 11:56:59,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 11:56:59,764 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 166 [2020-09-25 11:56:59,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:56:59,765 INFO L225 Difference]: With dead ends: 1217 [2020-09-25 11:56:59,765 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 11:56:59,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-09-25 11:56:59,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 11:56:59,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 11:56:59,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 11:56:59,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 11:56:59,770 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 166 [2020-09-25 11:56:59,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:56:59,771 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 11:56:59,771 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 11:56:59,771 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 11:56:59,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 11:56:59,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:56:59,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 11:56:59,978 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:00,144 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:00,298 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:00,458 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:00,742 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 6 [2020-09-25 11:57:00,899 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:01,240 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 11:57:01,519 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:57:02,057 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 11:57:02,398 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:57:02,841 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 11:57:03,102 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 11:57:03,364 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 11:57:03,615 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:57:03,877 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 11:57:04,126 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:57:04,642 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:57:04,969 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 11:57:05,218 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:57:05,468 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:57:05,724 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:57:05,975 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:57:06,316 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:57:06,731 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 11:57:07,081 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-25 11:57:07,236 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:57:07,387 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:07,542 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:07,695 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:07,845 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:07,990 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:08,149 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:08,415 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:08,667 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 6 [2020-09-25 11:57:08,818 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:08,970 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:09,114 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:09,436 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-09-25 11:57:09,756 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-09-25 11:57:10,076 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-09-25 11:57:10,397 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-09-25 11:57:10,712 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 187 [2020-09-25 11:57:11,031 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-09-25 11:57:11,345 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 187 [2020-09-25 11:57:11,483 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:57:11,635 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:11,786 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:11,934 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:12,081 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:12,228 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:57:12,376 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:12,518 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:12,667 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:12,814 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:12,967 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:13,119 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:13,271 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:13,414 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:13,566 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:13,714 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:13,859 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:14,001 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:14,148 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:14,291 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:14,443 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:14,592 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:14,741 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:14,888 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:15,036 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:15,183 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:15,330 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:15,474 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:15,621 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:57:15,769 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:15,921 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:16,086 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:16,233 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:16,377 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:16,525 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:16,680 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:16,823 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:16,977 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:17,129 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:17,281 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:17,428 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:17,580 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:17,731 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:57:17,888 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:18,036 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:18,188 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:18,335 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:18,483 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:57:18,635 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:18,787 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:18,935 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:19,091 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:19,243 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:19,391 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:57:19,545 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:19,697 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:19,849 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:19,997 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:20,144 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:57:20,296 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:20,443 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:20,595 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:20,845 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 9 [2020-09-25 11:57:20,997 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:21,149 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:21,300 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:21,448 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:21,590 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:21,738 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:21,885 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:22,035 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:22,179 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:22,326 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:22,474 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:22,616 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:22,764 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:23,019 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 6 [2020-09-25 11:57:23,343 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190