/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 --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 interpolation-heuristic=FIRST --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_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:03:01,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:03:01,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:03:01,473 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:03:01,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:03:01,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:03:01,476 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:03:01,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:03:01,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:03:01,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:03:01,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:03:01,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:03:01,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:03:01,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:03:01,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:03:01,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:03:01,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:03:01,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:03:01,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:03:01,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:03:01,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:03:01,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:03:01,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:03:01,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:03:01,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:03:01,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:03:01,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:03:01,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:03:01,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:03:01,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:03:01,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:03:01,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:03:01,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:03:01,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:03:01,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:03:01,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:03:01,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:03:01,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:03:01,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:03:01,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:03:01,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:03:01,511 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 [2020-09-21 11:03:01,542 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:03:01,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:03:01,543 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:03:01,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:03:01,543 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:03:01,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:03:01,544 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:03:01,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:03:01,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:03:01,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:03:01,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:03:01,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:03:01,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:03:01,545 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:03:01,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:03:01,546 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:03:01,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:03:01,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:03:01,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:03:01,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:03:01,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:03:01,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:03:01,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:03:01,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:03:01,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:03:01,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:03:01,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:03:01,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:03:01,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:03:01,549 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:03:02,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:03:02,746 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:03:02,752 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:03:02,754 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:03:02,756 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:03:02,757 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product11.cil.c [2020-09-21 11:03:02,818 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d76e5c5e2/c0490174556545eeb008666c84644293/FLAGdd9455ed7 [2020-09-21 11:03:03,412 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:03:03,413 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product11.cil.c [2020-09-21 11:03:03,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d76e5c5e2/c0490174556545eeb008666c84644293/FLAGdd9455ed7 [2020-09-21 11:03:03,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d76e5c5e2/c0490174556545eeb008666c84644293 [2020-09-21 11:03:03,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:03:03,659 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:03:03,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:03,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:03:03,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:03:03,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:03" (1/1) ... [2020-09-21 11:03:03,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:03, skipping insertion in model container [2020-09-21 11:03:03,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:03:03" (1/1) ... [2020-09-21 11:03:03,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:03:03,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:03:04,145 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:04,252 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:03:04,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:03:04,375 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:03:04,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04 WrapperNode [2020-09-21 11:03:04,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:03:04,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:03:04,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:03:04,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:03:04,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... [2020-09-21 11:03:04,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:03:04,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:03:04,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:03:04,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:03:04,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:03:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:03:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:03:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:03:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:03:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:03:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:03:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:03:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:03:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:03:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:03:04,546 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:03:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:03:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:03:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-21 11:03:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:03:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:03:04,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:03:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:03:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:03:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:03:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:03:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:03:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:03:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:03:04,548 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:03:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:03:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:03:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:03:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:03:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:03:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:03:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:03:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:03:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:03:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:03:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:03:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:03:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:03:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:03:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:03:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:03:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:03:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:03:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:03:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:03:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:03:04,552 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:03:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:03:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:03:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:03:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:03:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:03:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:03:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:03:04,553 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:03:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-21 11:03:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:03:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-21 11:03:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:03:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:03:04,554 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:03:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:03:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:03:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:03:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:03:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:03:04,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:03:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:03:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:03:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:03:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:03:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:03:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:03:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:03:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:03:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:03:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:03:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:03:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:03:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:03:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:03:05,562 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:03:05,563 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:03:05,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:05 BoogieIcfgContainer [2020-09-21 11:03:05,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:03:05,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:03:05,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:03:05,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:03:05,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:03:03" (1/3) ... [2020-09-21 11:03:05,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5069219f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:05, skipping insertion in model container [2020-09-21 11:03:05,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:03:04" (2/3) ... [2020-09-21 11:03:05,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5069219f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:03:05, skipping insertion in model container [2020-09-21 11:03:05,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:03:05" (3/3) ... [2020-09-21 11:03:05,577 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2020-09-21 11:03:05,589 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:03:05,599 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:03:05,621 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:03:05,650 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:03:05,651 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:03:05,651 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:03:05,651 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:03:05,651 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:03:05,651 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:03:05,651 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:03:05,652 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:03:05,679 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2020-09-21 11:03:05,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-09-21 11:03:05,690 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:05,691 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] [2020-09-21 11:03:05,692 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:05,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:05,700 INFO L82 PathProgramCache]: Analyzing trace with hash 3662400, now seen corresponding path program 1 times [2020-09-21 11:03:05,712 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:05,712 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [801701609] [2020-09-21 11:03:05,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,040 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-09-21 11:03:06,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-21 11:03:06,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-09-21 11:03:06,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-21 11:03:06,466 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:06,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:06,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:06,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:06,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,607 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,607 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:06,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:06,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:06,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,620 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,620 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,620 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,623 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:06,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:06,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:06,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:06,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:06,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:06,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,640 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,640 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,640 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,641 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:06,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:06,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:06,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:03:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,648 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,648 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,648 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,649 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:06,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:06,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:06,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:03:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:06,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:06,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:06,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:06,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:06,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:06,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:06,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:06,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:06,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:06,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:06,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:06,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:03:06,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:06,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [801701609] [2020-09-21 11:03:06,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:06,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-21 11:03:06,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352409765] [2020-09-21 11:03:06,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-21 11:03:06,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:06,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-21 11:03:06,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:06,709 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 3 states. [2020-09-21 11:03:07,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:07,582 INFO L93 Difference]: Finished difference Result 219 states and 293 transitions. [2020-09-21 11:03:07,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-21 11:03:07,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-09-21 11:03:07,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:07,601 INFO L225 Difference]: With dead ends: 219 [2020-09-21 11:03:07,601 INFO L226 Difference]: Without dead ends: 120 [2020-09-21 11:03:07,606 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-21 11:03:07,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-09-21 11:03:07,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 90. [2020-09-21 11:03:07,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-09-21 11:03:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2020-09-21 11:03:07,690 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2020-09-21 11:03:07,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:07,691 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2020-09-21 11:03:07,691 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-21 11:03:07,691 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2020-09-21 11:03:07,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-09-21 11:03:07,694 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:07,695 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] [2020-09-21 11:03:07,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:03:07,695 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:07,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:07,696 INFO L82 PathProgramCache]: Analyzing trace with hash -306482980, now seen corresponding path program 1 times [2020-09-21 11:03:07,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:07,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1403322777] [2020-09-21 11:03:07,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:07,790 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:07,792 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:07,793 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:07,793 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:07,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-09-21 11:03:07,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:07,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:03:07,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-09-21 11:03:07,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:03:07,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,085 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:08,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,094 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,094 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,132 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,132 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:08,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,136 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,137 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:08,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,141 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,141 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,141 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:08,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:08,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:03:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:08,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:03:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:08,155 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:08,155 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:08,155 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:08,156 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:08,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:08,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:08,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:08,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:08,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:08,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:08,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:08,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:08,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:08,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1403322777] [2020-09-21 11:03:08,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:08,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:08,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254686134] [2020-09-21 11:03:08,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:08,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:08,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:08,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:08,167 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 4 states. [2020-09-21 11:03:08,646 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:09,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:09,092 INFO L93 Difference]: Finished difference Result 143 states and 174 transitions. [2020-09-21 11:03:09,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:09,093 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-09-21 11:03:09,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:09,096 INFO L225 Difference]: With dead ends: 143 [2020-09-21 11:03:09,096 INFO L226 Difference]: Without dead ends: 104 [2020-09-21 11:03:09,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:03:09,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-09-21 11:03:09,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 81. [2020-09-21 11:03:09,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-09-21 11:03:09,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-09-21 11:03:09,132 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2020-09-21 11:03:09,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:09,133 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-09-21 11:03:09,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:09,133 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-09-21 11:03:09,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-09-21 11:03:09,135 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:09,135 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] [2020-09-21 11:03:09,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:03:09,136 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:09,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:09,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1187758501, now seen corresponding path program 1 times [2020-09-21 11:03:09,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:09,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246874595] [2020-09-21 11:03:09,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:09,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:03:09,584 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:09,584 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:09,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:09,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-09-21 11:03:09,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:09,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 398 [2020-09-21 11:03:09,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:09,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:03:09,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:09,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-09-21 11:03:09,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:09,917 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:09,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:09,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:09,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:09,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:09,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:09,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:09,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:09,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-21 11:03:09,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:09,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:09,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:09,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:09,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:10,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:10,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:10,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:10,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:10,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:10,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:10,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:10,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:10,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:10,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:10,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:10,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,038 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:10,038 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,038 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:10,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:10,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:10,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:10,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:10,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:10,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:10,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:10,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:10,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:10,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:10,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:03:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:10,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:10,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:10,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:10,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:10,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:10,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:10,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:03:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:10,054 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:10,054 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:10,054 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:10,055 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:10,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:10,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:10,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:03:10,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:10,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:10,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:10,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:10,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:10,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:10,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246874595] [2020-09-21 11:03:10,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:10,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:03:10,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633973669] [2020-09-21 11:03:10,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:03:10,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:10,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:03:10,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:03:10,066 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 4 states. [2020-09-21 11:03:10,398 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:11,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:11,278 INFO L93 Difference]: Finished difference Result 226 states and 278 transitions. [2020-09-21 11:03:11,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-21 11:03:11,279 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-09-21 11:03:11,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:11,282 INFO L225 Difference]: With dead ends: 226 [2020-09-21 11:03:11,282 INFO L226 Difference]: Without dead ends: 169 [2020-09-21 11:03:11,287 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:03:11,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-09-21 11:03:11,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 126. [2020-09-21 11:03:11,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-09-21 11:03:11,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-09-21 11:03:11,369 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 51 [2020-09-21 11:03:11,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:11,370 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-09-21 11:03:11,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:03:11,370 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-09-21 11:03:11,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-09-21 11:03:11,375 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:11,375 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] [2020-09-21 11:03:11,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:03:11,375 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:11,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:11,376 INFO L82 PathProgramCache]: Analyzing trace with hash -5484303, now seen corresponding path program 1 times [2020-09-21 11:03:11,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:11,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074586730] [2020-09-21 11:03:11,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:11,785 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:11,786 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:11,786 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:11,786 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:11,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-21 11:03:11,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:11,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 341 [2020-09-21 11:03:11,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:11,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:03:11,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:11,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-09-21 11:03:11,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,138 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:12,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,190 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:12,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-21 11:03:12,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:12,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:12,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:12,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:12,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:12,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,229 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,229 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,229 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:12,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:12,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:12,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:12,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:12,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:12,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:12,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:12,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:12,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:12,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,240 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,240 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,240 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,240 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:12,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:12,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:12,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:12,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:12,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-21 11:03:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,245 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,245 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:12,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:12,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:12,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:12,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:12,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:03:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,253 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,253 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:12,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:03:12,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:12,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:12,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:12,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:03:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:12,287 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:12,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:12,288 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:12,288 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:12,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:12,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:12,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:12,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:12,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:03:12,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:12,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:03:12,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:12,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:12,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2074586730] [2020-09-21 11:03:12,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:12,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:03:12,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662640861] [2020-09-21 11:03:12,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:03:12,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:12,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:03:12,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:03:12,301 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 7 states. [2020-09-21 11:03:12,767 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:13,694 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:14,022 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:14,317 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:14,663 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:14,958 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:15,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:15,317 INFO L93 Difference]: Finished difference Result 370 states and 466 transitions. [2020-09-21 11:03:15,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:03:15,319 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-09-21 11:03:15,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:15,322 INFO L225 Difference]: With dead ends: 370 [2020-09-21 11:03:15,322 INFO L226 Difference]: Without dead ends: 268 [2020-09-21 11:03:15,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:03:15,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-09-21 11:03:15,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 213. [2020-09-21 11:03:15,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-09-21 11:03:15,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 252 transitions. [2020-09-21 11:03:15,376 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 252 transitions. Word has length 54 [2020-09-21 11:03:15,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:15,376 INFO L479 AbstractCegarLoop]: Abstraction has 213 states and 252 transitions. [2020-09-21 11:03:15,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:03:15,377 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 252 transitions. [2020-09-21 11:03:15,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-09-21 11:03:15,379 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:03:15,379 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] [2020-09-21 11:03:15,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:03:15,379 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:03:15,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:03:15,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1905030509, now seen corresponding path program 1 times [2020-09-21 11:03:15,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:03:15,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1649008656] [2020-09-21 11:03:15,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:03:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:15,698 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:15,698 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:15,699 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:15,699 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:15,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-09-21 11:03:15,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:15,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-09-21 11:03:15,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:15,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-21 11:03:15,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:03:15,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-09-21 11:03:15,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:15,983 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:15,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:03:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:16,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:16,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:16,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:16,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:16,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:16,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:16,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-21 11:03:16,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:16,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:16,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:16,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:03:16,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:16,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:03:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:16,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:16,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:16,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:16,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:16,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:16,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:16,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:16,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:16,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:16,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:16,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:16,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:16,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:03:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:16,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:16,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:16,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:16,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:16,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:16,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:16,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:16,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:16,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:16,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:16,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:16,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:03:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:16,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:16,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:16,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:16,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:16,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:16,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:16,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:16,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:16,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:16,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:16,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:16,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:16,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:03:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:16,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:16,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:16,113 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:16,113 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:16,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:16,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:16,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:16,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:16,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:16,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:16,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:16,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:16,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-09-21 11:03:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:16,128 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:16,128 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:16,128 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:16,129 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:16,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:16,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:16,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:16,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:16,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:16,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:16,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-09-21 11:03:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:16,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:16,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:16,134 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:16,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:16,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:03:16,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:16,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:16,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:16,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:16,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:16,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:03:16,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:16,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:03:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:16,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:16,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:16,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:16,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:16,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:16,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:16,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:03:16,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:16,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:03:16,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:16,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:16,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:16,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:03:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:03:16,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:03:16,147 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:03:16,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:03:16,148 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:03:16,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:03:16,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:03:16,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:03:16,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:03:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:03:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:03:16,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:03:16,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:03:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-21 11:03:16,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1649008656] [2020-09-21 11:03:16,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:03:16,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:03:16,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773134587] [2020-09-21 11:03:16,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:03:16,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:03:16,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:03:16,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:03:16,172 INFO L87 Difference]: Start difference. First operand 213 states and 252 transitions. Second operand 8 states. [2020-09-21 11:03:16,622 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:17,449 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:17,787 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:18,116 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:18,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:03:18,283 INFO L93 Difference]: Finished difference Result 425 states and 537 transitions. [2020-09-21 11:03:18,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:03:18,284 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-09-21 11:03:18,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:03:18,285 INFO L225 Difference]: With dead ends: 425 [2020-09-21 11:03:18,285 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:03:18,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-09-21 11:03:18,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:03:18,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:03:18,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:03:18,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:03:18,294 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2020-09-21 11:03:18,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:03:18,294 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:03:18,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:03:18,294 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:03:18,294 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:03:18,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:03:18,300 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:03:18,584 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:18,775 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-21 11:03:18,938 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:19,091 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:19,356 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-21 11:03:19,702 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:19,951 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-21 11:03:20,292 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:20,543 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:20,874 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:21,030 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:21,182 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:21,421 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-21 11:03:21,750 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:21,986 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 187 [2020-09-21 11:03:22,317 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:22,564 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:22,892 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 190 [2020-09-21 11:03:23,045 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:23,157 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 6 [2020-09-21 11:03:23,312 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:23,466 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:23,609 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:23,757 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:23,905 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:24,060 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:24,205 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:24,357 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:24,517 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-21 11:03:24,662 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:24,812 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:24,965 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:25,112 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:25,268 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:25,416 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:25,583 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:25,736 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:25,888 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:26,031 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:26,181 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:26,341 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-21 11:03:26,489 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:26,632 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:26,784 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:26,932 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:27,084 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:27,239 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:27,387 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:27,535 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:27,690 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:27,834 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:27,981 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:28,145 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 6 [2020-09-21 11:03:28,297 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:28,446 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:28,591 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:28,743 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:28,895 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:29,042 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:29,196 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:29,339 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:29,489 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:29,633 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:29,780 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:29,933 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:30,085 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:30,236 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:30,389 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:30,702 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:31,015 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:31,330 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 188 [2020-09-21 11:03:31,636 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 187 [2020-09-21 11:03:31,786 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:03:31,935 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:03:32,095 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:32,239 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-21 11:03:32,391 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:03:32,652 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:33,037 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-09-21 11:03:33,277 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:33,647 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-09-21 11:03:33,861 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:34,086 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:34,273 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:34,525 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-21 11:03:34,726 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:03:34,944 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:35,349 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 8 [2020-09-21 11:03:35,567 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:35,764 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 1 [2020-09-21 11:03:36,162 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 8 [2020-09-21 11:03:36,356 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:03:36,604 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 8 [2020-09-21 11:03:36,822 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:03:37,210 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 8 [2020-09-21 11:03:37,506 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 11 [2020-09-21 11:03:37,656 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-21 11:03:37,855 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-09-21 11:03:37,860 INFO L268 CegarLoopResult]: For program point L609(lines 586 610) no Hoare annotation was computed. [2020-09-21 11:03:37,860 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 562 617) no Hoare annotation was computed. [2020-09-21 11:03:37,860 INFO L268 CegarLoopResult]: For program point L593(lines 593 597) no Hoare annotation was computed. [2020-09-21 11:03:37,860 INFO L268 CegarLoopResult]: For program point L593-1(lines 593 597) no Hoare annotation was computed. [2020-09-21 11:03:37,861 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-21 11:03:37,861 INFO L268 CegarLoopResult]: For program point L587-2(lines 587 608) no Hoare annotation was computed. [2020-09-21 11:03:37,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 562 617) no Hoare annotation was computed. [2020-09-21 11:03:37,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 562 617) no Hoare annotation was computed. [2020-09-21 11:03:37,861 INFO L268 CegarLoopResult]: For program point L670(lines 643 671) no Hoare annotation was computed. [2020-09-21 11:03:37,861 INFO L268 CegarLoopResult]: For program point L663(line 663) no Hoare annotation was computed. [2020-09-21 11:03:37,861 INFO L268 CegarLoopResult]: For program point L663-1(line 663) no Hoare annotation was computed. [2020-09-21 11:03:37,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 618 677) no Hoare annotation was computed. [2020-09-21 11:03:37,861 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 618 677) no Hoare annotation was computed. [2020-09-21 11:03:37,862 INFO L268 CegarLoopResult]: For program point L650(lines 650 654) no Hoare annotation was computed. [2020-09-21 11:03:37,862 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 618 677) no Hoare annotation was computed. [2020-09-21 11:03:37,862 INFO L268 CegarLoopResult]: For program point L650-1(lines 650 654) no Hoare annotation was computed. [2020-09-21 11:03:37,862 INFO L268 CegarLoopResult]: For program point L645(line 645) no Hoare annotation was computed. [2020-09-21 11:03:37,862 INFO L268 CegarLoopResult]: For program point L644-2(lines 644 669) no Hoare annotation was computed. [2020-09-21 11:03:37,862 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2020-09-21 11:03:37,862 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2020-09-21 11:03:37,863 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2020-09-21 11:03:37,863 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2020-09-21 11:03:37,863 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2020-09-21 11:03:37,863 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-09-21 11:03:37,863 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-09-21 11:03:37,864 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:37,864 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:37,864 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:37,864 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:37,864 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-09-21 11:03:37,865 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-09-21 11:03:37,865 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:37,865 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:37,865 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-09-21 11:03:37,865 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:03:37,866 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-09-21 11:03:37,866 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:03:37,866 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-09-21 11:03:37,866 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-09-21 11:03:37,866 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-21 11:03:37,866 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-09-21 11:03:37,866 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-09-21 11:03:37,866 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-21 11:03:37,867 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-09-21 11:03:37,867 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-09-21 11:03:37,867 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-21 11:03:37,867 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-09-21 11:03:37,867 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-09-21 11:03:37,867 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-21 11:03:37,867 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-09-21 11:03:37,867 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-09-21 11:03:37,868 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 311 325) no Hoare annotation was computed. [2020-09-21 11:03:37,868 INFO L264 CegarLoopResult]: At program point L317(line 317) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-09-21 11:03:37,868 INFO L268 CegarLoopResult]: For program point L315(lines 315 321) no Hoare annotation was computed. [2020-09-21 11:03:37,868 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 311 325) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-09-21 11:03:37,868 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 311 325) no Hoare annotation was computed. [2020-09-21 11:03:37,868 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 221 228) no Hoare annotation was computed. [2020-09-21 11:03:37,868 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 221 228) no Hoare annotation was computed. [2020-09-21 11:03:37,869 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 221 228) no Hoare annotation was computed. [2020-09-21 11:03:37,869 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 266 274) no Hoare annotation was computed. [2020-09-21 11:03:37,869 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 266 274) the Hoare annotation is: true [2020-09-21 11:03:37,869 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 266 274) no Hoare annotation was computed. [2020-09-21 11:03:37,869 INFO L268 CegarLoopResult]: For program point L282(lines 282 290) no Hoare annotation was computed. [2020-09-21 11:03:37,869 INFO L268 CegarLoopResult]: For program point L282-2(lines 282 290) no Hoare annotation was computed. [2020-09-21 11:03:37,869 INFO L268 CegarLoopResult]: For program point L305(line 305) no Hoare annotation was computed. [2020-09-21 11:03:37,869 INFO L268 CegarLoopResult]: For program point L305-1(line 305) no Hoare annotation was computed. [2020-09-21 11:03:37,869 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 275 310) no Hoare annotation was computed. [2020-09-21 11:03:37,869 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 275 310) no Hoare annotation was computed. [2020-09-21 11:03:37,869 INFO L268 CegarLoopResult]: For program point L294(lines 294 302) no Hoare annotation was computed. [2020-09-21 11:03:37,869 INFO L268 CegarLoopResult]: For program point L294-2(lines 294 302) no Hoare annotation was computed. [2020-09-21 11:03:37,869 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 275 310) no Hoare annotation was computed. [2020-09-21 11:03:37,870 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2020-09-21 11:03:37,870 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2020-09-21 11:03:37,870 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 516 561) no Hoare annotation was computed. [2020-09-21 11:03:37,870 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 516 561) no Hoare annotation was computed. [2020-09-21 11:03:37,870 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 516 561) no Hoare annotation was computed. [2020-09-21 11:03:37,870 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 829 874) no Hoare annotation was computed. [2020-09-21 11:03:37,870 INFO L268 CegarLoopResult]: For program point L849(lines 849 856) no Hoare annotation was computed. [2020-09-21 11:03:37,870 INFO L268 CegarLoopResult]: For program point L843(lines 843 863) no Hoare annotation was computed. [2020-09-21 11:03:37,870 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 829 874) no Hoare annotation was computed. [2020-09-21 11:03:37,870 INFO L268 CegarLoopResult]: For program point L843-1(lines 843 863) no Hoare annotation was computed. [2020-09-21 11:03:37,870 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 829 874) no Hoare annotation was computed. [2020-09-21 11:03:37,871 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:37,871 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-09-21 11:03:37,871 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-09-21 11:03:37,871 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 255 265) no Hoare annotation was computed. [2020-09-21 11:03:37,871 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 255 265) no Hoare annotation was computed. [2020-09-21 11:03:37,871 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 255 265) no Hoare annotation was computed. [2020-09-21 11:03:37,871 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-09-21 11:03:37,871 INFO L268 CegarLoopResult]: For program point L260-1(line 260) no Hoare annotation was computed. [2020-09-21 11:03:37,871 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 247 254) the Hoare annotation is: true [2020-09-21 11:03:37,871 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 247 254) no Hoare annotation was computed. [2020-09-21 11:03:37,871 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 247 254) no Hoare annotation was computed. [2020-09-21 11:03:37,871 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 214 220) no Hoare annotation was computed. [2020-09-21 11:03:37,871 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 214 220) the Hoare annotation is: true [2020-09-21 11:03:37,872 INFO L264 CegarLoopResult]: At program point testENTRY(lines 327 392) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:37,872 INFO L264 CegarLoopResult]: At program point L382(lines 337 384) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:37,872 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:37,872 INFO L268 CegarLoopResult]: For program point L347(lines 347 353) no Hoare annotation was computed. [2020-09-21 11:03:37,872 INFO L268 CegarLoopResult]: For program point L347-1(lines 347 353) no Hoare annotation was computed. [2020-09-21 11:03:37,872 INFO L268 CegarLoopResult]: For program point testFINAL(lines 327 392) no Hoare annotation was computed. [2020-09-21 11:03:37,872 INFO L268 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-09-21 11:03:37,872 INFO L264 CegarLoopResult]: At program point L385(lines 336 386) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-09-21 11:03:37,873 INFO L264 CegarLoopResult]: At program point L375(line 375) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:37,873 INFO L268 CegarLoopResult]: For program point L373(lines 373 379) no Hoare annotation was computed. [2020-09-21 11:03:37,873 INFO L264 CegarLoopResult]: At program point L373-1(lines 367 380) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:37,873 INFO L268 CegarLoopResult]: For program point L338(lines 337 384) no Hoare annotation was computed. [2020-09-21 11:03:37,873 INFO L268 CegarLoopResult]: For program point L367(lines 367 380) no Hoare annotation was computed. [2020-09-21 11:03:37,873 INFO L264 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-09-21 11:03:37,873 INFO L268 CegarLoopResult]: For program point L357(lines 357 363) no Hoare annotation was computed. [2020-09-21 11:03:37,874 INFO L268 CegarLoopResult]: For program point L357-1(lines 357 363) no Hoare annotation was computed. [2020-09-21 11:03:37,874 INFO L268 CegarLoopResult]: For program point testEXIT(lines 327 392) no Hoare annotation was computed. [2020-09-21 11:03:37,874 INFO L268 CegarLoopResult]: For program point L797(lines 797 817) no Hoare annotation was computed. [2020-09-21 11:03:37,874 INFO L268 CegarLoopResult]: For program point L797-1(lines 797 817) no Hoare annotation was computed. [2020-09-21 11:03:37,874 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 783 828) no Hoare annotation was computed. [2020-09-21 11:03:37,874 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 783 828) no Hoare annotation was computed. [2020-09-21 11:03:37,874 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 783 828) no Hoare annotation was computed. [2020-09-21 11:03:37,874 INFO L268 CegarLoopResult]: For program point L803(lines 803 810) no Hoare annotation was computed. [2020-09-21 11:03:37,874 INFO L268 CegarLoopResult]: For program point L459(lines 459 467) no Hoare annotation was computed. [2020-09-21 11:03:37,875 INFO L268 CegarLoopResult]: For program point L459-2(lines 459 467) no Hoare annotation was computed. [2020-09-21 11:03:37,875 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 451 473) no Hoare annotation was computed. [2020-09-21 11:03:37,875 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 451 473) no Hoare annotation was computed. [2020-09-21 11:03:37,875 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 451 473) no Hoare annotation was computed. [2020-09-21 11:03:37,875 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2020-09-21 11:03:37,875 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 145 154) no Hoare annotation was computed. [2020-09-21 11:03:37,875 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2020-09-21 11:03:37,875 INFO L268 CegarLoopResult]: For program point L704(lines 704 708) no Hoare annotation was computed. [2020-09-21 11:03:37,875 INFO L268 CegarLoopResult]: For program point L768(lines 768 779) no Hoare annotation was computed. [2020-09-21 11:03:37,875 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 680 782) no Hoare annotation was computed. [2020-09-21 11:03:37,876 INFO L268 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-09-21 11:03:37,876 INFO L268 CegarLoopResult]: For program point L729-2(lines 729 749) no Hoare annotation was computed. [2020-09-21 11:03:37,876 INFO L268 CegarLoopResult]: For program point L750(lines 728 751) no Hoare annotation was computed. [2020-09-21 11:03:37,876 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 680 782) no Hoare annotation was computed. [2020-09-21 11:03:37,876 INFO L268 CegarLoopResult]: For program point L709(lines 709 725) no Hoare annotation was computed. [2020-09-21 11:03:37,876 INFO L268 CegarLoopResult]: For program point L769(lines 769 776) no Hoare annotation was computed. [2020-09-21 11:03:37,876 INFO L268 CegarLoopResult]: For program point L730(lines 729 749) no Hoare annotation was computed. [2020-09-21 11:03:37,876 INFO L268 CegarLoopResult]: For program point L761(line 761) no Hoare annotation was computed. [2020-09-21 11:03:37,876 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-09-21 11:03:37,876 INFO L268 CegarLoopResult]: For program point L726(lines 726 767) no Hoare annotation was computed. [2020-09-21 11:03:37,877 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 680 782) no Hoare annotation was computed. [2020-09-21 11:03:37,877 INFO L268 CegarLoopResult]: For program point L745(line 745) no Hoare annotation was computed. [2020-09-21 11:03:37,877 INFO L268 CegarLoopResult]: For program point L745-1(line 745) no Hoare annotation was computed. [2020-09-21 11:03:37,877 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:03:37,877 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-09-21 11:03:37,877 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:03:37,877 INFO L268 CegarLoopResult]: For program point L241(line 241) no Hoare annotation was computed. [2020-09-21 11:03:37,877 INFO L268 CegarLoopResult]: For program point L241-1(lines 230 246) no Hoare annotation was computed. [2020-09-21 11:03:37,877 INFO L268 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-09-21 11:03:37,878 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 230 246) no Hoare annotation was computed. [2020-09-21 11:03:37,878 INFO L268 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-09-21 11:03:37,878 INFO L268 CegarLoopResult]: For program point L235-1(line 235) no Hoare annotation was computed. [2020-09-21 11:03:37,878 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 230 246) no Hoare annotation was computed. [2020-09-21 11:03:37,878 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 474 482) no Hoare annotation was computed. [2020-09-21 11:03:37,878 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 474 482) no Hoare annotation was computed. [2020-09-21 11:03:37,878 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 474 482) no Hoare annotation was computed. [2020-09-21 11:03:37,878 INFO L268 CegarLoopResult]: For program point L434-1(lines 430 441) no Hoare annotation was computed. [2020-09-21 11:03:37,878 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 430 441) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-09-21 11:03:37,878 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 430 441) no Hoare annotation was computed. [2020-09-21 11:03:37,878 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:03:37,878 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-09-21 11:03:37,878 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:03:37,879 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 190 213) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:37,879 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:37,879 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 190 213) no Hoare annotation was computed. [2020-09-21 11:03:37,879 INFO L264 CegarLoopResult]: At program point L201(lines 201 207) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:37,879 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 190 213) no Hoare annotation was computed. [2020-09-21 11:03:37,879 INFO L264 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:03:37,879 INFO L268 CegarLoopResult]: For program point L194(lines 193 212) no Hoare annotation was computed. [2020-09-21 11:03:37,879 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-09-21 11:03:37,879 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-09-21 11:03:37,879 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-09-21 11:03:37,879 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-09-21 11:03:37,879 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-09-21 11:03:37,879 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-09-21 11:03:37,880 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-09-21 11:03:37,880 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-09-21 11:03:37,880 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-09-21 11:03:37,880 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-09-21 11:03:37,880 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 442 450) the Hoare annotation is: true [2020-09-21 11:03:37,880 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 442 450) no Hoare annotation was computed. [2020-09-21 11:03:37,880 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 442 450) no Hoare annotation was computed. [2020-09-21 11:03:37,880 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 406 417) the Hoare annotation is: true [2020-09-21 11:03:37,880 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 406 417) no Hoare annotation was computed. [2020-09-21 11:03:37,880 INFO L268 CegarLoopResult]: For program point L410-1(lines 406 417) no Hoare annotation was computed. [2020-09-21 11:03:37,880 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-09-21 11:03:37,881 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-09-21 11:03:37,881 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-21 11:03:37,881 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-09-21 11:03:37,881 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-21 11:03:37,881 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-21 11:03:37,881 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 418 429) no Hoare annotation was computed. [2020-09-21 11:03:37,881 INFO L268 CegarLoopResult]: For program point L422-1(lines 418 429) no Hoare annotation was computed. [2020-09-21 11:03:37,881 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 418 429) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-09-21 11:03:37,882 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 394 401) no Hoare annotation was computed. [2020-09-21 11:03:37,882 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 398) no Hoare annotation was computed. [2020-09-21 11:03:37,882 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 394 401) the Hoare annotation is: true [2020-09-21 11:03:37,882 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 394 401) no Hoare annotation was computed. [2020-09-21 11:03:37,882 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 484 508) the Hoare annotation is: true [2020-09-21 11:03:37,882 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 484 508) no Hoare annotation was computed. [2020-09-21 11:03:37,882 INFO L264 CegarLoopResult]: At program point L498(line 498) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-09-21 11:03:37,882 INFO L268 CegarLoopResult]: For program point L496(lines 496 502) no Hoare annotation was computed. [2020-09-21 11:03:37,882 INFO L264 CegarLoopResult]: At program point L494(line 494) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-09-21 11:03:37,882 INFO L268 CegarLoopResult]: For program point L494-1(line 494) no Hoare annotation was computed. [2020-09-21 11:03:37,882 INFO L268 CegarLoopResult]: For program point L492(lines 492 505) no Hoare annotation was computed. [2020-09-21 11:03:37,883 INFO L268 CegarLoopResult]: For program point L492-1(lines 484 508) no Hoare annotation was computed. [2020-09-21 11:03:37,883 INFO L271 CegarLoopResult]: At program point L490(line 490) the Hoare annotation is: true [2020-09-21 11:03:37,883 INFO L268 CegarLoopResult]: For program point L490-1(line 490) no Hoare annotation was computed. [2020-09-21 11:03:37,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 11:03:37 BoogieIcfgContainer [2020-09-21 11:03:37,900 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-21 11:03:37,902 INFO L168 Benchmark]: Toolchain (without parser) took 34248.27 ms. Allocated memory was 138.9 MB in the beginning and 605.0 MB in the end (delta: 466.1 MB). Free memory was 101.1 MB in the beginning and 291.2 MB in the end (delta: -190.2 MB). Peak memory consumption was 481.6 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:37,903 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-21 11:03:37,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.44 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 100.4 MB in the beginning and 171.5 MB in the end (delta: -71.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:37,905 INFO L168 Benchmark]: Boogie Preprocessor took 89.94 ms. Allocated memory is still 200.8 MB. Free memory was 170.8 MB in the beginning and 167.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:37,905 INFO L168 Benchmark]: RCFGBuilder took 1101.62 ms. Allocated memory was 200.8 MB in the beginning and 233.3 MB in the end (delta: 32.5 MB). Free memory was 166.7 MB in the beginning and 202.7 MB in the end (delta: -36.1 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:37,906 INFO L168 Benchmark]: TraceAbstraction took 32330.80 ms. Allocated memory was 233.3 MB in the beginning and 605.0 MB in the end (delta: 371.7 MB). Free memory was 201.3 MB in the beginning and 291.2 MB in the end (delta: -90.0 MB). Peak memory consumption was 487.4 MB. Max. memory is 7.1 GB. [2020-09-21 11:03:37,909 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 716.44 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 100.4 MB in the beginning and 171.5 MB in the end (delta: -71.1 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.94 ms. Allocated memory is still 200.8 MB. Free memory was 170.8 MB in the beginning and 167.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1101.62 ms. Allocated memory was 200.8 MB in the beginning and 233.3 MB in the end (delta: 32.5 MB). Free memory was 166.7 MB in the beginning and 202.7 MB in the end (delta: -36.1 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32330.80 ms. Allocated memory was 233.3 MB in the beginning and 605.0 MB in the end (delta: 371.7 MB). Free memory was 201.3 MB in the beginning and 291.2 MB in the end (delta: -90.0 MB). Peak memory consumption was 487.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 398]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 337]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (splverifierCounter <= 0 && pumpRunning == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 387 SDtfs, 474 SDslu, 265 SDs, 0 SdLazy, 1038 SolverSat, 275 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 151 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 261 PreInvPairs, 309 NumberOfFragments, 606 HoareAnnotationTreeSize, 261 FomulaSimplifications, 34430 FormulaSimplificationTreeSizeReduction, 14.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 10639 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 69250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...