/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_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:55:58,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:55:58,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:55:58,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:55:58,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:55:58,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:55:58,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:55:58,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:55:58,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:55:58,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:55:58,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:55:58,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:55:58,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:55:58,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:55:58,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:55:58,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:55:58,333 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:55:58,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:55:58,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:55:58,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:55:58,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:55:58,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:55:58,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:55:58,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:55:58,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:55:58,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:55:58,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:55:58,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:55:58,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:55:58,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:55:58,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:55:58,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:55:58,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:55:58,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:55:58,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:55:58,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:55:58,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:55:58,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:55:58,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:55:58,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:55:58,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:55:58,371 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 11:55:58,419 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:55:58,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:55:58,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:55:58,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:55:58,422 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:55:58,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:55:58,422 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:55:58,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:55:58,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:55:58,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:55:58,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:55:58,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:55:58,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:55:58,425 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:55:58,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:55:58,426 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:55:58,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:55:58,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:55:58,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:55:58,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:55:58,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:55:58,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:55:58,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:55:58,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:55:58,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:55:58,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:55:58,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:55:58,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:55:58,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:55:58,428 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 11:55:59,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:55:59,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:55:59,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:55:59,542 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:55:59,543 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:55:59,544 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c [2020-09-25 11:55:59,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1c36b7627/29b64991077c40ff8fc2052212ea4e96/FLAG191953862 [2020-09-25 11:56:00,269 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:56:00,270 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c [2020-09-25 11:56:00,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1c36b7627/29b64991077c40ff8fc2052212ea4e96/FLAG191953862 [2020-09-25 11:56:00,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1c36b7627/29b64991077c40ff8fc2052212ea4e96 [2020-09-25 11:56:00,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:56:00,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:56:00,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:56:00,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:56:00,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:56:00,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:56:00" (1/1) ... [2020-09-25 11:56:00,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:00, skipping insertion in model container [2020-09-25 11:56:00,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:56:00" (1/1) ... [2020-09-25 11:56:00,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:56:00,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:56:01,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:56:01,027 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:56:01,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:56:01,258 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:56:01,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01 WrapperNode [2020-09-25 11:56:01,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:56:01,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:56:01,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:56:01,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:56:01,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (1/1) ... [2020-09-25 11:56:01,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (1/1) ... [2020-09-25 11:56:01,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (1/1) ... [2020-09-25 11:56:01,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (1/1) ... [2020-09-25 11:56:01,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (1/1) ... [2020-09-25 11:56:01,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (1/1) ... [2020-09-25 11:56:01,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (1/1) ... [2020-09-25 11:56:01,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:56:01,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:56:01,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:56:01,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:56:01,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (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 11:56:01,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:56:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:56:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:56:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:56:01,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:56:01,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:56:01,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:56:01,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:56:01,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:56:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:56:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:56:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:56:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:56:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:56:01,462 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:56:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:56:01,463 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:56:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:56:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 11:56:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:56:01,464 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:56:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:56:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:56:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:56:01,465 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:56:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:56:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:56:01,466 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:56:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:56:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:56:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:56:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:56:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:56:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:56:01,467 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:56:01,468 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 11:56:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:56:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:56:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:56:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:56:01,468 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:56:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:56:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:56:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:56:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:56:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:56:01,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:56:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:56:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:56:01,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:56:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:56:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:56:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:56:01,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:56:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:56:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:56:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:56:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:56:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:56:01,472 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:56:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:56:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:56:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:56:01,473 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:56:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:56:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:56:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:56:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:56:01,474 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:56:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:56:01,475 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:56:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:56:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:56:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 11:56:01,477 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:56:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:56:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:56:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 11:56:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:56:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:56:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:56:01,478 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:56:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:56:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:56:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:56:01,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:56:02,631 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:56:02,631 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:56:02,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:56:02 BoogieIcfgContainer [2020-09-25 11:56:02,641 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:56:02,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:56:02,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:56:02,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:56:02,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:56:00" (1/3) ... [2020-09-25 11:56:02,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558b0873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:56:02, skipping insertion in model container [2020-09-25 11:56:02,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:56:01" (2/3) ... [2020-09-25 11:56:02,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558b0873 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:56:02, skipping insertion in model container [2020-09-25 11:56:02,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:56:02" (3/3) ... [2020-09-25 11:56:02,653 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06.cil.c [2020-09-25 11:56:02,664 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:56:02,676 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:56:02,705 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:56:02,735 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:56:02,735 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:56:02,735 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:56:02,735 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:56:02,736 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:56:02,736 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:56:02,736 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:56:02,736 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:56:02,763 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states. [2020-09-25 11:56:02,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 11:56:02,780 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:56:02,781 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 11:56:02,781 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:56:02,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:56:02,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1626039938, now seen corresponding path program 1 times [2020-09-25 11:56:02,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:56:02,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1528880203] [2020-09-25 11:56:02,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:56:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:03,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:03,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:05,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:06,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:08,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:08,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 11:56:08,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:56:08,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-09-25 11:56:08,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:08,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:08,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:56:08,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 11:56:08,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-09-25 11:56:08,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 11:56:08,933 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:56:08,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:56:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:09,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:09,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:09,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:56:09,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:09,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-09-25 11:56:09,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:09,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:09,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:09,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:09,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 11:56:09,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 11:56:09,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:56:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:09,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:09,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:09,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:09,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:09,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:56:09,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:09,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:09,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:09,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:09,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:09,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:09,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:56:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:09,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:09,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:09,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:09,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:09,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:56:09,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:09,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:09,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:09,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:09,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:09,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:09,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:56:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:09,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:09,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:09,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:09,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:09,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 11:56:09,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:09,577 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:09,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:09,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:09,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:09,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:09,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:56:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:09,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:09,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:09,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:09,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:09,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:56:09,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:09,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:09,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:09,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:09,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:09,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:09,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:56:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:09,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:09,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:09,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:09,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:09,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:09,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:09,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:09,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:56:09,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:56:09,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:56:09,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:09,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 11:56:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:09,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:09,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:09,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:09,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:09,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:56:09,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:09,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:09,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:56:09,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:56:09,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:56:09,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:09,648 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 11:56:09,649 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1528880203] [2020-09-25 11:56:09,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:56:09,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 11:56:09,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570080678] [2020-09-25 11:56:09,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 11:56:09,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:56:09,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 11:56:09,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 11:56:09,686 INFO L87 Difference]: Start difference. First operand 268 states. Second operand 5 states. [2020-09-25 11:56:10,280 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:11,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:56:11,304 INFO L93 Difference]: Finished difference Result 400 states and 481 transitions. [2020-09-25 11:56:11,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 11:56:11,307 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-09-25 11:56:11,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:56:11,327 INFO L225 Difference]: With dead ends: 400 [2020-09-25 11:56:11,327 INFO L226 Difference]: Without dead ends: 257 [2020-09-25 11:56:11,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:56:11,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-09-25 11:56:11,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 217. [2020-09-25 11:56:11,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-09-25 11:56:11,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 233 transitions. [2020-09-25 11:56:11,436 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 233 transitions. Word has length 142 [2020-09-25 11:56:11,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:56:11,437 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 233 transitions. [2020-09-25 11:56:11,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 11:56:11,438 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 233 transitions. [2020-09-25 11:56:11,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-09-25 11:56:11,443 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:56:11,443 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 11:56:11,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:56:11,444 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:56:11,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:56:11,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1540164861, now seen corresponding path program 1 times [2020-09-25 11:56:11,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:56:11,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [266728309] [2020-09-25 11:56:11,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:56:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:11,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:11,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:12,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:12,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:16,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:16,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 11:56:16,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:56:16,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-09-25 11:56:16,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:16,522 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:16,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:56:16,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 11:56:16,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-09-25 11:56:16,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:16,865 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:56:16,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:56:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:16,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:17,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:17,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:56:17,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:17,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-09-25 11:56:17,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:17,157 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:17,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:17,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:17,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 11:56:17,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:17,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:56:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:17,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:17,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:17,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:17,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:17,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:56:17,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:17,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:17,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:17,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:17,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:56:17,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:56:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:17,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:17,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:17,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:17,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:17,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:56:17,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:17,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:17,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:17,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:17,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:17,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:56:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:17,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:17,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:17,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:17,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:17,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:56:17,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:17,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:17,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:17,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:17,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:17,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:17,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:56:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:17,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:17,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:17,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:17,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:17,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:56:17,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:17,264 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:17,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:17,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:17,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:17,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:17,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-09-25 11:56:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:17,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:17,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:17,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:56:17,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:17,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:56:17,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:17,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:17,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:17,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:17,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 11:56:17,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:17,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:56:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:17,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:17,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:17,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:17,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:17,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:56:17,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:17,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:17,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:56:17,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:17,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:56:17,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:56:17,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 11:56:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:17,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:17,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:17,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:17,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:17,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 11:56:17,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:17,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:17,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:56:17,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:17,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:17,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-09-25 11:56:17,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-25 11:56:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:17,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:17,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:17,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:17,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:17,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:17,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:17,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:17,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:56:17,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:56:17,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:56:17,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:17,533 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 11:56:17,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [266728309] [2020-09-25 11:56:17,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:56:17,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:56:17,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140089699] [2020-09-25 11:56:17,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:56:17,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:56:17,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:56:17,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:56:17,547 INFO L87 Difference]: Start difference. First operand 217 states and 233 transitions. Second operand 9 states. [2020-09-25 11:56:18,299 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:19,260 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:19,550 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:56:20,192 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:56:20,508 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:21,093 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:21,445 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:56:21,751 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:22,338 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:23,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:56:23,174 INFO L93 Difference]: Finished difference Result 539 states and 668 transitions. [2020-09-25 11:56:23,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-25 11:56:23,174 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-09-25 11:56:23,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:56:23,182 INFO L225 Difference]: With dead ends: 539 [2020-09-25 11:56:23,182 INFO L226 Difference]: Without dead ends: 408 [2020-09-25 11:56:23,185 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 11:56:23,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-09-25 11:56:23,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 299. [2020-09-25 11:56:23,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-09-25 11:56:23,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 327 transitions. [2020-09-25 11:56:23,250 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 327 transitions. Word has length 151 [2020-09-25 11:56:23,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:56:23,251 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 327 transitions. [2020-09-25 11:56:23,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:56:23,251 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 327 transitions. [2020-09-25 11:56:23,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-09-25 11:56:23,255 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:56:23,255 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 11:56:23,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:56:23,256 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:56:23,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:56:23,256 INFO L82 PathProgramCache]: Analyzing trace with hash -508009834, now seen corresponding path program 1 times [2020-09-25 11:56:23,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:56:23,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168182969] [2020-09-25 11:56:23,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:56:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:23,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:23,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:24,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:27,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:27,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-09-25 11:56:27,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:56:27,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3732 [2020-09-25 11:56:27,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:27,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:27,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:56:27,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 11:56:27,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-09-25 11:56:27,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:27,452 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:56:27,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:56:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:27,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:27,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:27,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:56:27,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:27,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 263 [2020-09-25 11:56:27,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:27,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:27,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 11:56:27,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:27,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:56:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:27,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:27,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:27,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:27,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:27,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:27,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:27,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:27,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:27,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:27,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:27,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:27,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:56:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:27,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:27,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:27,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:27,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:27,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:27,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:27,824 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:27,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:27,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:27,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:27,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:27,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:56:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:27,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:27,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:27,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:27,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:27,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:56:27,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:27,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:27,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:27,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:27,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:27,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:56:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:27,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:27,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:27,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:27,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:27,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:27,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:27,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:27,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:27,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:27,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:27,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:27,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:56:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:27,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:27,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:27,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:56:27,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:27,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:56:27,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:27,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:27,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:27,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:27,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:56:27,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:27,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-25 11:56:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:27,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:27,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:27,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:56:27,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:27,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:56:27,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:27,898 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:27,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:27,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:27,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 11:56:27,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:27,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 11:56:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:27,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:27,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:27,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:27,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:56:27,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:56:27,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:56:27,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:27,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:56:27,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:56:27,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 11:56:27,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:27,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:56:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:27,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:27,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:27,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:56:27,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:27,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:56:27,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:27,936 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:27,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:27,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:27,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:56:27,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:27,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 11:56:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:27,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:27,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:27,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:27,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:27,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:56:27,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:27,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:27,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:56:27,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:27,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:27,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:27,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-25 11:56:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:56:27,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:56:27,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:56:27,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:56:27,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:56:27,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:56:27,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:56:27,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:56:27,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:56:27,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:56:27,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:56:27,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:56:28,092 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 11:56:28,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168182969] [2020-09-25 11:56:28,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:56:28,094 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 11:56:28,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453941875] [2020-09-25 11:56:28,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 11:56:28,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:56:28,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 11:56:28,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 11:56:28,096 INFO L87 Difference]: Start difference. First operand 299 states and 327 transitions. Second operand 11 states. [2020-09-25 11:56:28,920 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:56:30,059 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:30,408 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:56:30,742 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:31,122 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 11:56:31,471 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:56:31,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:56:31,888 INFO L93 Difference]: Finished difference Result 556 states and 663 transitions. [2020-09-25 11:56:31,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 11:56:31,889 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 169 [2020-09-25 11:56:31,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:56:31,890 INFO L225 Difference]: With dead ends: 556 [2020-09-25 11:56:31,890 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 11:56:31,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=167, Invalid=385, Unknown=0, NotChecked=0, Total=552 [2020-09-25 11:56:31,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 11:56:31,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 11:56:31,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 11:56:31,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 11:56:31,894 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2020-09-25 11:56:31,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:56:31,894 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 11:56:31,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 11:56:31,895 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 11:56:31,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 11:56:31,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:56:31,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 11:56:32,089 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:32,278 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:32,462 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:32,652 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:32,838 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:33,008 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:33,340 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9 [2020-09-25 11:56:33,515 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:33,678 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:33,833 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:33,998 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:34,157 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:34,310 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:34,473 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:34,616 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:56:34,775 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:34,934 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:35,091 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:35,251 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:35,408 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:35,570 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:35,719 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:35,868 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:36,019 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:36,168 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:36,322 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:36,476 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:36,629 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:36,783 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:36,941 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:37,089 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:37,247 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:37,406 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:37,564 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:37,712 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:37,869 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:38,017 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:38,175 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:38,333 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:38,495 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:38,654 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:38,811 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:38,960 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:39,117 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:39,265 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:39,422 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:39,579 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:39,845 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9 [2020-09-25 11:56:40,064 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 8 [2020-09-25 11:56:40,439 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:56:40,792 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:56:41,181 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 11:56:41,454 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 11:56:41,715 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 11:56:41,975 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 11:56:42,236 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 11:56:42,586 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:56:42,938 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:56:43,290 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:56:43,639 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:56:44,175 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:44,332 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:44,491 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:44,650 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:44,798 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:44,948 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:45,106 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:45,348 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 14 [2020-09-25 11:56:45,508 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:46,046 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:56:46,400 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 189 [2020-09-25 11:56:46,743 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9 [2020-09-25 11:56:46,893 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:47,061 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:47,214 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:47,366 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:47,519 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:47,674 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:47,827 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:47,974 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:48,122 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:48,275 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:48,424 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:48,582 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:48,833 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9 [2020-09-25 11:56:49,174 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:56:49,514 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:56:49,855 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:56:50,195 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:56:50,537 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-25 11:56:50,788 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:56:51,038 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:56:51,292 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:56:51,546 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 188 [2020-09-25 11:56:52,173 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 9 [2020-09-25 11:56:52,331 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:56:52,485 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:52,640 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:52,789 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:52,939 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:56:53,100 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:56:53,259 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190