/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 enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 17:43:22,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 17:43:22,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 17:43:22,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 17:43:22,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 17:43:22,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 17:43:22,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 17:43:22,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 17:43:22,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 17:43:22,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 17:43:22,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 17:43:22,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 17:43:22,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 17:43:22,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 17:43:22,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 17:43:22,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 17:43:22,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 17:43:22,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 17:43:22,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 17:43:22,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 17:43:22,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 17:43:22,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 17:43:22,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 17:43:22,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 17:43:22,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 17:43:22,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 17:43:22,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 17:43:22,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 17:43:22,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 17:43:22,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 17:43:22,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 17:43:22,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 17:43:22,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 17:43:22,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 17:43:22,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 17:43:22,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 17:43:22,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 17:43:22,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 17:43:22,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 17:43:22,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 17:43:22,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 17:43:22,364 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 [2020-08-18 17:43:22,402 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 17:43:22,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 17:43:22,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 17:43:22,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 17:43:22,406 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 17:43:22,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 17:43:22,406 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 17:43:22,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 17:43:22,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 17:43:22,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 17:43:22,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 17:43:22,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 17:43:22,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 17:43:22,409 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 17:43:22,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 17:43:22,409 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 17:43:22,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 17:43:22,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 17:43:22,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 17:43:22,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 17:43:22,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 17:43:22,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 17:43:22,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 17:43:22,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 17:43:22,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 17:43:22,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 17:43:22,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 17:43:22,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 17:43:22,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 17:43:22,412 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 -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=BIGGEST; [2020-08-18 17:43:22,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 17:43:22,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 17:43:22,755 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 17:43:22,756 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 17:43:22,757 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 17:43:22,758 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-08-18 17:43:22,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fd402967/55864a1a18cc4e3088aad7fd0524a341/FLAGe6e70cbed [2020-08-18 17:43:23,331 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 17:43:23,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-08-18 17:43:23,345 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fd402967/55864a1a18cc4e3088aad7fd0524a341/FLAGe6e70cbed [2020-08-18 17:43:23,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5fd402967/55864a1a18cc4e3088aad7fd0524a341 [2020-08-18 17:43:23,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 17:43:23,650 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 17:43:23,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 17:43:23,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 17:43:23,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 17:43:23,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:43:23" (1/1) ... [2020-08-18 17:43:23,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:43:23, skipping insertion in model container [2020-08-18 17:43:23,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 05:43:23" (1/1) ... [2020-08-18 17:43:23,668 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 17:43:23,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 17:43:24,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:43:24,052 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 17:43:24,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 17:43:24,316 INFO L208 MainTranslator]: Completed translation [2020-08-18 17:43:24,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:43:24 WrapperNode [2020-08-18 17:43:24,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 17:43:24,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 17:43:24,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 17:43:24,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 17:43:24,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:43:24" (1/1) ... [2020-08-18 17:43:24,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:43:24" (1/1) ... [2020-08-18 17:43:24,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:43:24" (1/1) ... [2020-08-18 17:43:24,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:43:24" (1/1) ... [2020-08-18 17:43:24,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:43:24" (1/1) ... [2020-08-18 17:43:24,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:43:24" (1/1) ... [2020-08-18 17:43:24,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:43:24" (1/1) ... [2020-08-18 17:43:24,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 17:43:24,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 17:43:24,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 17:43:24,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 17:43:24,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:43:24" (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 [2020-08-18 17:43:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 17:43:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 17:43:24,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 17:43:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 17:43:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 17:43:24,473 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 17:43:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 17:43:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 17:43:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 17:43:24,474 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 17:43:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 17:43:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 17:43:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 17:43:24,475 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 17:43:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 17:43:24,476 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 17:43:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 17:43:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-18 17:43:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 17:43:24,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 17:43:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 17:43:24,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 17:43:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 17:43:24,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 17:43:24,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 17:43:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-08-18 17:43:24,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 17:43:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 17:43:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 17:43:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 17:43:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 17:43:24,482 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 17:43:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 17:43:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-18 17:43:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 17:43:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 17:43:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 17:43:24,483 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 17:43:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 17:43:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 17:43:24,483 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 17:43:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 17:43:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 17:43:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 17:43:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 17:43:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 17:43:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 17:43:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 17:43:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 17:43:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 17:43:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 17:43:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 17:43:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 17:43:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 17:43:24,485 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 17:43:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 17:43:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 17:43:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 17:43:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-18 17:43:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 17:43:24,486 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 17:43:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 17:43:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-08-18 17:43:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 17:43:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 17:43:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-18 17:43:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 17:43:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 17:43:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 17:43:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 17:43:24,487 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 17:43:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 17:43:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 17:43:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 17:43:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 17:43:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 17:43:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 17:43:24,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 17:43:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 17:43:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 17:43:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 17:43:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 17:43:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 17:43:24,489 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 17:43:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 17:43:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 17:43:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 17:43:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 17:43:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 17:43:24,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 17:43:25,621 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 17:43:25,622 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 17:43:25,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:43:25 BoogieIcfgContainer [2020-08-18 17:43:25,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 17:43:25,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 17:43:25,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 17:43:25,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 17:43:25,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 05:43:23" (1/3) ... [2020-08-18 17:43:25,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f4e031e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:43:25, skipping insertion in model container [2020-08-18 17:43:25,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 05:43:24" (2/3) ... [2020-08-18 17:43:25,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f4e031e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 05:43:25, skipping insertion in model container [2020-08-18 17:43:25,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 05:43:25" (3/3) ... [2020-08-18 17:43:25,635 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2020-08-18 17:43:25,646 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 17:43:25,655 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 17:43:25,668 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 17:43:25,691 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 17:43:25,691 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 17:43:25,691 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 17:43:25,691 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 17:43:25,692 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 17:43:25,692 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 17:43:25,692 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 17:43:25,692 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 17:43:25,715 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-08-18 17:43:25,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 17:43:25,726 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:43:25,727 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] [2020-08-18 17:43:25,727 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:43:25,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:43:25,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1636335383, now seen corresponding path program 1 times [2020-08-18 17:43:25,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:43:25,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [501106110] [2020-08-18 17:43:25,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:43:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:26,406 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:43:26,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:43:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:26,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:43:26,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:26,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:43:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:26,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:43:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:26,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:43:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:26,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 17:43:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:26,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 17:43:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:26,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 17:43:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:26,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:43:26,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [501106110] [2020-08-18 17:43:26,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:43:26,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 17:43:26,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070643745] [2020-08-18 17:43:26,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 17:43:26,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:43:26,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 17:43:26,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 17:43:26,565 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 3 states. [2020-08-18 17:43:27,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:43:27,646 INFO L93 Difference]: Finished difference Result 270 states and 355 transitions. [2020-08-18 17:43:27,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 17:43:27,648 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-08-18 17:43:27,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:43:27,663 INFO L225 Difference]: With dead ends: 270 [2020-08-18 17:43:27,663 INFO L226 Difference]: Without dead ends: 146 [2020-08-18 17:43:27,668 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 17:43:27,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-08-18 17:43:27,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 115. [2020-08-18 17:43:27,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-08-18 17:43:27,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-08-18 17:43:27,756 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 52 [2020-08-18 17:43:27,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:43:27,757 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-08-18 17:43:27,757 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 17:43:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-08-18 17:43:27,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-08-18 17:43:27,761 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:43:27,761 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] [2020-08-18 17:43:27,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 17:43:27,761 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:43:27,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:43:27,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1439054439, now seen corresponding path program 1 times [2020-08-18 17:43:27,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:43:27,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1951839146] [2020-08-18 17:43:27,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:43:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:28,154 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:43:28,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:43:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:28,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:43:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:28,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:43:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:28,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:43:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:28,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:43:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:28,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 17:43:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:28,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 17:43:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:28,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 17:43:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:28,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:43:28,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1951839146] [2020-08-18 17:43:28,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:43:28,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 17:43:28,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599419240] [2020-08-18 17:43:28,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 17:43:28,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:43:28,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 17:43:28,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 17:43:28,213 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 4 states. [2020-08-18 17:43:28,689 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:43:29,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:43:29,346 INFO L93 Difference]: Finished difference Result 199 states and 242 transitions. [2020-08-18 17:43:29,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 17:43:29,347 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-08-18 17:43:29,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:43:29,350 INFO L225 Difference]: With dead ends: 199 [2020-08-18 17:43:29,350 INFO L226 Difference]: Without dead ends: 130 [2020-08-18 17:43:29,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 17:43:29,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-08-18 17:43:29,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-08-18 17:43:29,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-18 17:43:29,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-08-18 17:43:29,385 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 53 [2020-08-18 17:43:29,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:43:29,385 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-08-18 17:43:29,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 17:43:29,386 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-08-18 17:43:29,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-08-18 17:43:29,388 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:43:29,388 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] [2020-08-18 17:43:29,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 17:43:29,389 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:43:29,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:43:29,389 INFO L82 PathProgramCache]: Analyzing trace with hash -580669987, now seen corresponding path program 1 times [2020-08-18 17:43:29,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:43:29,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1521972942] [2020-08-18 17:43:29,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:43:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:29,737 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:43:29,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:43:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:29,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:43:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:29,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:43:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:29,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:43:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:29,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:43:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:29,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 17:43:29,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:29,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 17:43:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:29,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 17:43:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:29,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:43:29,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1521972942] [2020-08-18 17:43:29,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:43:29,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 17:43:29,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853940246] [2020-08-18 17:43:29,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:43:29,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:43:29,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:43:29,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:43:29,841 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 8 states. [2020-08-18 17:43:30,242 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:43:30,552 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:43:30,806 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:43:31,081 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:43:32,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:43:32,119 INFO L93 Difference]: Finished difference Result 212 states and 260 transitions. [2020-08-18 17:43:32,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 17:43:32,121 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-08-18 17:43:32,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:43:32,125 INFO L225 Difference]: With dead ends: 212 [2020-08-18 17:43:32,126 INFO L226 Difference]: Without dead ends: 130 [2020-08-18 17:43:32,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 17:43:32,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-08-18 17:43:32,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-08-18 17:43:32,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-18 17:43:32,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2020-08-18 17:43:32,184 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 58 [2020-08-18 17:43:32,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:43:32,184 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2020-08-18 17:43:32,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:43:32,185 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2020-08-18 17:43:32,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-18 17:43:32,196 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:43:32,196 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:43:32,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 17:43:32,196 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:43:32,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:43:32,197 INFO L82 PathProgramCache]: Analyzing trace with hash 2122897594, now seen corresponding path program 1 times [2020-08-18 17:43:32,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:43:32,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [691975791] [2020-08-18 17:43:32,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:43:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:32,519 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:43:32,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:43:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:32,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:43:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:32,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:43:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:32,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:43:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:32,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:43:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:32,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 17:43:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:32,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:43:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:32,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-18 17:43:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:32,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 17:43:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:32,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-18 17:43:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:43:32,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [691975791] [2020-08-18 17:43:32,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:43:32,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 17:43:32,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949215761] [2020-08-18 17:43:32,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 17:43:32,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:43:32,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 17:43:32,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-18 17:43:32,597 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 6 states. [2020-08-18 17:43:32,964 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:43:34,194 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:43:34,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:43:34,755 INFO L93 Difference]: Finished difference Result 312 states and 384 transitions. [2020-08-18 17:43:34,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 17:43:34,755 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-08-18 17:43:34,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:43:34,760 INFO L225 Difference]: With dead ends: 312 [2020-08-18 17:43:34,760 INFO L226 Difference]: Without dead ends: 230 [2020-08-18 17:43:34,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-18 17:43:34,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-08-18 17:43:34,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 187. [2020-08-18 17:43:34,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-08-18 17:43:34,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 214 transitions. [2020-08-18 17:43:34,812 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 214 transitions. Word has length 66 [2020-08-18 17:43:34,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:43:34,812 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 214 transitions. [2020-08-18 17:43:34,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 17:43:34,813 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 214 transitions. [2020-08-18 17:43:34,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-08-18 17:43:34,814 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:43:34,814 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:43:34,815 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 17:43:34,815 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:43:34,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:43:34,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1628331355, now seen corresponding path program 1 times [2020-08-18 17:43:34,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:43:34,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [36869060] [2020-08-18 17:43:34,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:43:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:35,101 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:43:35,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:43:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:35,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:43:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:35,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:43:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:35,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:43:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:35,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:43:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:35,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 17:43:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:35,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:43:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:35,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 17:43:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:35,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 17:43:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:35,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-18 17:43:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:35,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-08-18 17:43:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:35,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-08-18 17:43:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:43:35,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [36869060] [2020-08-18 17:43:35,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:43:35,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 17:43:35,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583945906] [2020-08-18 17:43:35,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:43:35,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:43:35,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:43:35,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:43:35,246 INFO L87 Difference]: Start difference. First operand 187 states and 214 transitions. Second operand 8 states. [2020-08-18 17:43:35,669 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:43:36,911 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:43:37,207 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:43:37,504 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:43:37,748 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:43:38,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:43:38,354 INFO L93 Difference]: Finished difference Result 513 states and 644 transitions. [2020-08-18 17:43:38,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 17:43:38,355 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-08-18 17:43:38,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:43:38,360 INFO L225 Difference]: With dead ends: 513 [2020-08-18 17:43:38,360 INFO L226 Difference]: Without dead ends: 350 [2020-08-18 17:43:38,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-08-18 17:43:38,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-08-18 17:43:38,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 307. [2020-08-18 17:43:38,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-08-18 17:43:38,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 357 transitions. [2020-08-18 17:43:38,428 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 357 transitions. Word has length 80 [2020-08-18 17:43:38,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:43:38,428 INFO L479 AbstractCegarLoop]: Abstraction has 307 states and 357 transitions. [2020-08-18 17:43:38,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:43:38,429 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 357 transitions. [2020-08-18 17:43:38,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-08-18 17:43:38,430 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:43:38,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:43:38,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 17:43:38,431 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:43:38,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:43:38,431 INFO L82 PathProgramCache]: Analyzing trace with hash 452882261, now seen corresponding path program 1 times [2020-08-18 17:43:38,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:43:38,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895597272] [2020-08-18 17:43:38,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:43:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:38,734 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:43:38,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:43:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:38,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:43:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:38,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:43:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:38,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:43:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:38,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:43:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:38,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 17:43:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:38,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 17:43:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:38,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:43:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:38,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 17:43:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:38,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 17:43:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:38,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 17:43:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:38,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 17:43:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:38,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-18 17:43:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:38,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:43:38,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [895597272] [2020-08-18 17:43:38,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:43:38,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 17:43:38,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295523662] [2020-08-18 17:43:38,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 17:43:38,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:43:38,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 17:43:38,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-08-18 17:43:38,872 INFO L87 Difference]: Start difference. First operand 307 states and 357 transitions. Second operand 9 states. [2020-08-18 17:43:39,245 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:43:39,772 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:43:41,190 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:43:42,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:43:42,515 INFO L93 Difference]: Finished difference Result 759 states and 975 transitions. [2020-08-18 17:43:42,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 17:43:42,516 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-08-18 17:43:42,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:43:42,522 INFO L225 Difference]: With dead ends: 759 [2020-08-18 17:43:42,523 INFO L226 Difference]: Without dead ends: 585 [2020-08-18 17:43:42,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2020-08-18 17:43:42,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-08-18 17:43:42,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 514. [2020-08-18 17:43:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-08-18 17:43:42,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 618 transitions. [2020-08-18 17:43:42,648 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 618 transitions. Word has length 84 [2020-08-18 17:43:42,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:43:42,648 INFO L479 AbstractCegarLoop]: Abstraction has 514 states and 618 transitions. [2020-08-18 17:43:42,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 17:43:42,648 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 618 transitions. [2020-08-18 17:43:42,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-08-18 17:43:42,650 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:43:42,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:43:42,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 17:43:42,651 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:43:42,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:43:42,651 INFO L82 PathProgramCache]: Analyzing trace with hash 782648022, now seen corresponding path program 1 times [2020-08-18 17:43:42,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:43:42,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [205452579] [2020-08-18 17:43:42,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:43:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:42,890 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:43:42,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:43:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:42,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:43:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:42,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:43:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:42,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:43:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:42,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:43:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:42,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 17:43:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:42,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 17:43:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:42,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:43:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:42,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 17:43:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:42,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 17:43:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:42,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 17:43:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:42,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 17:43:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:42,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-18 17:43:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:43:42,993 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [205452579] [2020-08-18 17:43:42,993 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:43:42,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 17:43:42,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889038274] [2020-08-18 17:43:42,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 17:43:42,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:43:42,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 17:43:42,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-08-18 17:43:42,995 INFO L87 Difference]: Start difference. First operand 514 states and 618 transitions. Second operand 8 states. [2020-08-18 17:43:44,259 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:43:44,572 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:43:44,921 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:43:45,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:43:45,985 INFO L93 Difference]: Finished difference Result 936 states and 1169 transitions. [2020-08-18 17:43:45,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 17:43:45,986 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-08-18 17:43:45,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:43:45,991 INFO L225 Difference]: With dead ends: 936 [2020-08-18 17:43:45,991 INFO L226 Difference]: Without dead ends: 559 [2020-08-18 17:43:45,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-08-18 17:43:45,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-08-18 17:43:46,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 514. [2020-08-18 17:43:46,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-08-18 17:43:46,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 617 transitions. [2020-08-18 17:43:46,094 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 617 transitions. Word has length 84 [2020-08-18 17:43:46,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:43:46,094 INFO L479 AbstractCegarLoop]: Abstraction has 514 states and 617 transitions. [2020-08-18 17:43:46,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 17:43:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 617 transitions. [2020-08-18 17:43:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-08-18 17:43:46,096 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:43:46,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:43:46,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 17:43:46,097 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:43:46,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:43:46,097 INFO L82 PathProgramCache]: Analyzing trace with hash 710261464, now seen corresponding path program 1 times [2020-08-18 17:43:46,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:43:46,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [899821631] [2020-08-18 17:43:46,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:43:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:46,375 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:43:46,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:43:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:46,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:43:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:46,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:43:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:46,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:43:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:46,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:43:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:46,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 17:43:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:46,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 17:43:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:46,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:43:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:46,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 17:43:46,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:46,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 17:43:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:46,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 17:43:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:46,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 17:43:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:46,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-18 17:43:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:43:46,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [899821631] [2020-08-18 17:43:46,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:43:46,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 17:43:46,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633898725] [2020-08-18 17:43:46,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 17:43:46,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:43:46,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 17:43:46,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 17:43:46,540 INFO L87 Difference]: Start difference. First operand 514 states and 617 transitions. Second operand 12 states. [2020-08-18 17:43:47,268 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:43:47,510 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:43:47,760 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:43:48,489 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:43:48,735 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 17:43:49,021 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:43:49,273 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:43:50,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:43:50,270 INFO L93 Difference]: Finished difference Result 1017 states and 1263 transitions. [2020-08-18 17:43:50,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-18 17:43:50,271 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-08-18 17:43:50,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:43:50,276 INFO L225 Difference]: With dead ends: 1017 [2020-08-18 17:43:50,276 INFO L226 Difference]: Without dead ends: 527 [2020-08-18 17:43:50,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-08-18 17:43:50,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2020-08-18 17:43:50,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 487. [2020-08-18 17:43:50,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2020-08-18 17:43:50,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 582 transitions. [2020-08-18 17:43:50,393 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 582 transitions. Word has length 84 [2020-08-18 17:43:50,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:43:50,393 INFO L479 AbstractCegarLoop]: Abstraction has 487 states and 582 transitions. [2020-08-18 17:43:50,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 17:43:50,393 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 582 transitions. [2020-08-18 17:43:50,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-08-18 17:43:50,395 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 17:43:50,395 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 17:43:50,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 17:43:50,396 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 17:43:50,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 17:43:50,396 INFO L82 PathProgramCache]: Analyzing trace with hash 851492262, now seen corresponding path program 1 times [2020-08-18 17:43:50,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 17:43:50,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1394957780] [2020-08-18 17:43:50,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 17:43:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:50,700 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:43:50,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 17:43:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:50,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 17:43:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:50,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 17:43:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:50,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 17:43:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:50,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 17:43:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:50,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 17:43:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:50,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 17:43:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:50,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 17:43:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:50,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 17:43:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:50,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 17:43:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:50,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-18 17:43:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:50,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-18 17:43:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:50,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 17:43:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 17:43:50,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 17:43:50,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1394957780] [2020-08-18 17:43:50,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 17:43:50,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-18 17:43:50,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509538126] [2020-08-18 17:43:50,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-18 17:43:50,822 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 17:43:50,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-18 17:43:50,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-08-18 17:43:50,822 INFO L87 Difference]: Start difference. First operand 487 states and 582 transitions. Second operand 13 states. [2020-08-18 17:43:51,393 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:43:51,659 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:43:51,900 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 17:43:52,855 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 17:43:53,529 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 17:43:53,902 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 17:43:54,199 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 17:43:54,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 17:43:54,775 INFO L93 Difference]: Finished difference Result 837 states and 1009 transitions. [2020-08-18 17:43:54,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 17:43:54,776 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 85 [2020-08-18 17:43:54,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 17:43:54,777 INFO L225 Difference]: With dead ends: 837 [2020-08-18 17:43:54,777 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 17:43:54,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2020-08-18 17:43:54,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 17:43:54,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 17:43:54,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 17:43:54,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 17:43:54,781 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-08-18 17:43:54,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 17:43:54,781 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 17:43:54,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-18 17:43:54,781 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 17:43:54,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 17:43:54,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 17:43:54,784 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 17:43:56,232 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-08-18 17:43:57,724 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-08-18 17:43:58,394 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-08-18 17:43:58,677 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 210 [2020-08-18 17:43:58,793 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 210 [2020-08-18 17:43:59,440 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-08-18 17:43:59,600 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 17:43:59,775 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 17:43:59,962 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:44:00,127 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-08-18 17:44:00,726 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2020-08-18 17:44:00,886 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 17:44:01,195 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-08-18 17:44:01,549 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 17:44:01,764 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 16 [2020-08-18 17:44:02,213 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 25 [2020-08-18 17:44:02,819 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-08-18 17:44:02,981 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:44:03,184 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 17:44:03,359 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:44:03,521 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 17:44:04,149 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 25 [2020-08-18 17:44:04,320 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 17:44:04,515 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-08-18 17:44:05,139 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-08-18 17:44:05,306 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 17:44:05,798 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-08-18 17:44:06,079 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-08-18 17:44:06,548 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 18 [2020-08-18 17:44:07,034 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 11 [2020-08-18 17:44:07,190 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:44:07,503 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 31 [2020-08-18 17:44:07,665 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:44:07,828 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 17:44:08,335 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 17:44:08,496 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 17:44:08,668 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 17:44:08,972 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-08-18 17:44:09,148 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 17:44:09,376 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-08-18 17:44:09,556 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-08-18 17:44:09,940 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-08-18 17:44:10,164 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 23 [2020-08-18 17:44:10,395 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 23 [2020-08-18 17:44:10,399 INFO L268 CegarLoopResult]: For program point L479(lines 456 480) no Hoare annotation was computed. [2020-08-18 17:44:10,400 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 432 487) no Hoare annotation was computed. [2020-08-18 17:44:10,400 INFO L268 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2020-08-18 17:44:10,400 INFO L268 CegarLoopResult]: For program point L463-1(lines 463 467) no Hoare annotation was computed. [2020-08-18 17:44:10,400 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-18 17:44:10,400 INFO L268 CegarLoopResult]: For program point L457-2(lines 457 478) no Hoare annotation was computed. [2020-08-18 17:44:10,400 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 432 487) no Hoare annotation was computed. [2020-08-18 17:44:10,401 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 432 487) no Hoare annotation was computed. [2020-08-18 17:44:10,401 INFO L268 CegarLoopResult]: For program point L514-2(lines 514 539) no Hoare annotation was computed. [2020-08-18 17:44:10,401 INFO L268 CegarLoopResult]: For program point L540(lines 513 541) no Hoare annotation was computed. [2020-08-18 17:44:10,401 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 488 547) no Hoare annotation was computed. [2020-08-18 17:44:10,401 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-18 17:44:10,401 INFO L268 CegarLoopResult]: For program point L533-1(line 533) no Hoare annotation was computed. [2020-08-18 17:44:10,402 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 488 547) no Hoare annotation was computed. [2020-08-18 17:44:10,402 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 488 547) no Hoare annotation was computed. [2020-08-18 17:44:10,402 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-08-18 17:44:10,402 INFO L268 CegarLoopResult]: For program point L520-1(lines 520 524) no Hoare annotation was computed. [2020-08-18 17:44:10,402 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-18 17:44:10,402 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 903 909) the Hoare annotation is: true [2020-08-18 17:44:10,403 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 903 909) no Hoare annotation was computed. [2020-08-18 17:44:10,403 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 910 918) no Hoare annotation was computed. [2020-08-18 17:44:10,403 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 910 918) the Hoare annotation is: true [2020-08-18 17:44:10,403 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 910 918) no Hoare annotation was computed. [2020-08-18 17:44:10,403 INFO L264 CegarLoopResult]: At program point L194-1(line 194) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 17:44:10,403 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 188 210) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 17:44:10,404 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 188 210) no Hoare annotation was computed. [2020-08-18 17:44:10,404 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 188 210) no Hoare annotation was computed. [2020-08-18 17:44:10,404 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:44:10,404 INFO L264 CegarLoopResult]: At program point L200-1(line 200) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:44:10,404 INFO L268 CegarLoopResult]: For program point L198(lines 198 205) no Hoare annotation was computed. [2020-08-18 17:44:10,404 INFO L268 CegarLoopResult]: For program point L198-1(lines 198 205) no Hoare annotation was computed. [2020-08-18 17:44:10,405 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 17:44:10,405 INFO L264 CegarLoopResult]: At program point L195(line 195) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 17:44:10,405 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 17:44:10,405 INFO L268 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-08-18 17:44:10,405 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 17:44:10,405 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 144 167) no Hoare annotation was computed. [2020-08-18 17:44:10,406 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-08-18 17:44:10,406 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-08-18 17:44:10,406 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 17:44:10,406 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 144 167) no Hoare annotation was computed. [2020-08-18 17:44:10,406 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-08-18 17:44:10,406 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 144 167) no Hoare annotation was computed. [2020-08-18 17:44:10,406 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-08-18 17:44:10,407 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 17:44:10,407 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-08-18 17:44:10,407 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-08-18 17:44:10,407 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 17:44:10,407 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-08-18 17:44:10,407 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-08-18 17:44:10,407 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-08-18 17:44:10,407 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 307 315) no Hoare annotation was computed. [2020-08-18 17:44:10,408 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 307 315) the Hoare annotation is: true [2020-08-18 17:44:10,408 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 307 315) no Hoare annotation was computed. [2020-08-18 17:44:10,408 INFO L268 CegarLoopResult]: For program point L323-2(lines 323 331) no Hoare annotation was computed. [2020-08-18 17:44:10,408 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-08-18 17:44:10,408 INFO L268 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-08-18 17:44:10,408 INFO L268 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2020-08-18 17:44:10,408 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 316 351) no Hoare annotation was computed. [2020-08-18 17:44:10,408 INFO L268 CegarLoopResult]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2020-08-18 17:44:10,409 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 316 351) no Hoare annotation was computed. [2020-08-18 17:44:10,409 INFO L268 CegarLoopResult]: For program point L323(lines 323 331) no Hoare annotation was computed. [2020-08-18 17:44:10,409 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 316 351) no Hoare annotation was computed. [2020-08-18 17:44:10,409 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 896 902) no Hoare annotation was computed. [2020-08-18 17:44:10,409 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 896 902) the Hoare annotation is: true [2020-08-18 17:44:10,409 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 386 431) no Hoare annotation was computed. [2020-08-18 17:44:10,409 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 386 431) no Hoare annotation was computed. [2020-08-18 17:44:10,410 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 386 431) no Hoare annotation was computed. [2020-08-18 17:44:10,410 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 699 744) no Hoare annotation was computed. [2020-08-18 17:44:10,410 INFO L268 CegarLoopResult]: For program point L719(lines 719 726) no Hoare annotation was computed. [2020-08-18 17:44:10,410 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 699 744) no Hoare annotation was computed. [2020-08-18 17:44:10,410 INFO L268 CegarLoopResult]: For program point L713(lines 713 733) no Hoare annotation was computed. [2020-08-18 17:44:10,410 INFO L268 CegarLoopResult]: For program point L713-1(lines 713 733) no Hoare annotation was computed. [2020-08-18 17:44:10,410 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 699 744) no Hoare annotation was computed. [2020-08-18 17:44:10,411 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 175 184) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 17:44:10,411 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 175 184) no Hoare annotation was computed. [2020-08-18 17:44:10,411 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 175 184) no Hoare annotation was computed. [2020-08-18 17:44:10,411 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 296 306) no Hoare annotation was computed. [2020-08-18 17:44:10,411 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-08-18 17:44:10,411 INFO L268 CegarLoopResult]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-08-18 17:44:10,411 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 296 306) no Hoare annotation was computed. [2020-08-18 17:44:10,412 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 296 306) no Hoare annotation was computed. [2020-08-18 17:44:10,412 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 288 295) no Hoare annotation was computed. [2020-08-18 17:44:10,412 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 288 295) no Hoare annotation was computed. [2020-08-18 17:44:10,412 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 288 295) no Hoare annotation was computed. [2020-08-18 17:44:10,412 INFO L268 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2020-08-18 17:44:10,412 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 870 883) no Hoare annotation was computed. [2020-08-18 17:44:10,412 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 870 883) the Hoare annotation is: true [2020-08-18 17:44:10,412 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 870 883) no Hoare annotation was computed. [2020-08-18 17:44:10,413 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2020-08-18 17:44:10,413 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-08-18 17:44:10,413 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 17:44:10,413 INFO L268 CegarLoopResult]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2020-08-18 17:44:10,414 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2020-08-18 17:44:10,414 INFO L264 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (and .cse0 (<= 1 processEnvironment_~tmp~2)) .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 17:44:10,414 INFO L268 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2020-08-18 17:44:10,414 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2020-08-18 17:44:10,414 INFO L268 CegarLoopResult]: For program point L261-1(line 261) no Hoare annotation was computed. [2020-08-18 17:44:10,414 INFO L268 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2020-08-18 17:44:10,415 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2020-08-18 17:44:10,415 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2020-08-18 17:44:10,415 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 17:44:10,415 INFO L268 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-08-18 17:44:10,415 INFO L264 CegarLoopResult]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 17:44:10,415 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-08-18 17:44:10,416 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 17:44:10,416 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-08-18 17:44:10,416 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-08-18 17:44:10,416 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 17:44:10,416 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-08-18 17:44:10,416 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-08-18 17:44:10,417 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 17:44:10,417 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 17:44:10,417 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-08-18 17:44:10,417 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-08-18 17:44:10,417 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-08-18 17:44:10,417 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 17:44:10,417 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-08-18 17:44:10,417 INFO L268 CegarLoopResult]: For program point L673(lines 673 680) no Hoare annotation was computed. [2020-08-18 17:44:10,418 INFO L268 CegarLoopResult]: For program point L667(lines 667 687) no Hoare annotation was computed. [2020-08-18 17:44:10,418 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 687) no Hoare annotation was computed. [2020-08-18 17:44:10,418 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 653 698) no Hoare annotation was computed. [2020-08-18 17:44:10,418 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 653 698) no Hoare annotation was computed. [2020-08-18 17:44:10,418 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 653 698) no Hoare annotation was computed. [2020-08-18 17:44:10,418 INFO L268 CegarLoopResult]: For program point L846(lines 846 854) no Hoare annotation was computed. [2020-08-18 17:44:10,418 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2020-08-18 17:44:10,418 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2020-08-18 17:44:10,419 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2020-08-18 17:44:10,419 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2020-08-18 17:44:10,419 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 550 652) no Hoare annotation was computed. [2020-08-18 17:44:10,419 INFO L268 CegarLoopResult]: For program point L574(lines 574 578) no Hoare annotation was computed. [2020-08-18 17:44:10,419 INFO L268 CegarLoopResult]: For program point L638(lines 638 649) no Hoare annotation was computed. [2020-08-18 17:44:10,419 INFO L268 CegarLoopResult]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-08-18 17:44:10,419 INFO L268 CegarLoopResult]: For program point L599-2(lines 599 619) no Hoare annotation was computed. [2020-08-18 17:44:10,419 INFO L268 CegarLoopResult]: For program point L620(lines 598 621) no Hoare annotation was computed. [2020-08-18 17:44:10,419 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 550 652) no Hoare annotation was computed. [2020-08-18 17:44:10,420 INFO L268 CegarLoopResult]: For program point L579(lines 579 595) no Hoare annotation was computed. [2020-08-18 17:44:10,420 INFO L268 CegarLoopResult]: For program point L639(lines 639 646) no Hoare annotation was computed. [2020-08-18 17:44:10,420 INFO L268 CegarLoopResult]: For program point L600(lines 599 619) no Hoare annotation was computed. [2020-08-18 17:44:10,420 INFO L268 CegarLoopResult]: For program point L631(line 631) no Hoare annotation was computed. [2020-08-18 17:44:10,420 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-08-18 17:44:10,420 INFO L268 CegarLoopResult]: For program point L596(lines 596 637) no Hoare annotation was computed. [2020-08-18 17:44:10,420 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 550 652) no Hoare annotation was computed. [2020-08-18 17:44:10,420 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-08-18 17:44:10,420 INFO L268 CegarLoopResult]: For program point L615-1(line 615) no Hoare annotation was computed. [2020-08-18 17:44:10,421 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 886 895) no Hoare annotation was computed. [2020-08-18 17:44:10,421 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 886 895) no Hoare annotation was computed. [2020-08-18 17:44:10,421 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 886 895) no Hoare annotation was computed. [2020-08-18 17:44:10,421 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:44:10,421 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~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 17:44:10,421 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:44:10,421 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2020-08-18 17:44:10,422 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2020-08-18 17:44:10,422 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 280 287) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 17:44:10,422 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 352 370) no Hoare annotation was computed. [2020-08-18 17:44:10,422 INFO L268 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-08-18 17:44:10,422 INFO L271 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: true [2020-08-18 17:44:10,422 INFO L268 CegarLoopResult]: For program point L361-2(lines 361 365) no Hoare annotation was computed. [2020-08-18 17:44:10,422 INFO L268 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-08-18 17:44:10,422 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 352 370) the Hoare annotation is: true [2020-08-18 17:44:10,423 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 352 370) no Hoare annotation was computed. [2020-08-18 17:44:10,423 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2020-08-18 17:44:10,423 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2020-08-18 17:44:10,423 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2020-08-18 17:44:10,423 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~pumpRunning~0)) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-18 17:44:10,423 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2020-08-18 17:44:10,423 INFO L268 CegarLoopResult]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2020-08-18 17:44:10,424 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:44:10,424 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 17:44:10,424 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:44:10,424 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 17:44:10,424 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse3 .cse4 .cse1) (or (<= ~waterLevel~0 1) .cse3 (not (<= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2)))) [2020-08-18 17:44:10,424 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2020-08-18 17:44:10,425 INFO L264 CegarLoopResult]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= 1 ~pumpRunning~0) .cse0)) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3) (or (<= ~waterLevel~0 1) .cse5 (not (<= |old(~waterLevel~0)| 1)) .cse3) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 .cse3 .cse4)))) [2020-08-18 17:44:10,425 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2020-08-18 17:44:10,425 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 17:44:10,425 INFO L268 CegarLoopResult]: For program point L227(lines 226 245) no Hoare annotation was computed. [2020-08-18 17:44:10,425 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 113 142) no Hoare annotation was computed. [2020-08-18 17:44:10,425 INFO L268 CegarLoopResult]: For program point L127(lines 127 131) no Hoare annotation was computed. [2020-08-18 17:44:10,425 INFO L271 CegarLoopResult]: At program point L127-1(lines 127 131) the Hoare annotation is: true [2020-08-18 17:44:10,425 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 113 142) the Hoare annotation is: true [2020-08-18 17:44:10,426 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 17:44:10,426 INFO L271 CegarLoopResult]: At program point L123-2(lines 123 137) the Hoare annotation is: true [2020-08-18 17:44:10,426 INFO L271 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: true [2020-08-18 17:44:10,426 INFO L268 CegarLoopResult]: For program point L119-1(line 119) no Hoare annotation was computed. [2020-08-18 17:44:10,426 INFO L271 CegarLoopResult]: At program point L138(lines 113 142) the Hoare annotation is: true [2020-08-18 17:44:10,426 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-08-18 17:44:10,426 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2020-08-18 17:44:10,426 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2020-08-18 17:44:10,427 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2020-08-18 17:44:10,427 INFO L268 CegarLoopResult]: For program point L767(lines 767 773) no Hoare annotation was computed. [2020-08-18 17:44:10,427 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2020-08-18 17:44:10,427 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 748 780) no Hoare annotation was computed. [2020-08-18 17:44:10,427 INFO L268 CegarLoopResult]: For program point L765-1(line 765) no Hoare annotation was computed. [2020-08-18 17:44:10,427 INFO L268 CegarLoopResult]: For program point L763(lines 763 776) no Hoare annotation was computed. [2020-08-18 17:44:10,427 INFO L268 CegarLoopResult]: For program point L763-1(lines 748 780) no Hoare annotation was computed. [2020-08-18 17:44:10,427 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 748 780) the Hoare annotation is: true [2020-08-18 17:44:10,427 INFO L271 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: true [2020-08-18 17:44:10,428 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-08-18 17:44:10,428 INFO L268 CegarLoopResult]: For program point L757(lines 757 777) no Hoare annotation was computed. [2020-08-18 17:44:10,428 INFO L271 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: true [2020-08-18 17:44:10,428 INFO L268 CegarLoopResult]: For program point L755-1(line 755) no Hoare annotation was computed. [2020-08-18 17:44:10,428 INFO L264 CegarLoopResult]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0))) [2020-08-18 17:44:10,428 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0))) [2020-08-18 17:44:10,428 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-08-18 17:44:10,428 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-08-18 17:44:10,429 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 168 174) no Hoare annotation was computed. [2020-08-18 17:44:10,429 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 168 174) the Hoare annotation is: true [2020-08-18 17:44:10,429 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 17:44:10,429 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 17:44:10,429 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 17:44:10,429 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 17:44:10,429 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 371 378) no Hoare annotation was computed. [2020-08-18 17:44:10,430 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 371 378) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse2 (= 1 ~systemActive~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2))) [2020-08-18 17:44:10,430 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 371 378) no Hoare annotation was computed. [2020-08-18 17:44:10,430 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2020-08-18 17:44:10,430 INFO L268 CegarLoopResult]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2020-08-18 17:44:10,430 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2020-08-18 17:44:10,430 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 782 789) no Hoare annotation was computed. [2020-08-18 17:44:10,431 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2020-08-18 17:44:10,431 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 782 789) the Hoare annotation is: true [2020-08-18 17:44:10,431 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 782 789) no Hoare annotation was computed. [2020-08-18 17:44:10,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 05:44:10 BoogieIcfgContainer [2020-08-18 17:44:10,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 17:44:10,451 INFO L168 Benchmark]: Toolchain (without parser) took 46801.11 ms. Allocated memory was 140.0 MB in the beginning and 677.4 MB in the end (delta: 537.4 MB). Free memory was 101.0 MB in the beginning and 148.8 MB in the end (delta: -47.8 MB). Peak memory consumption was 542.5 MB. Max. memory is 7.1 GB. [2020-08-18 17:44:10,452 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 17:44:10,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.20 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 174.2 MB in the end (delta: -73.4 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2020-08-18 17:44:10,453 INFO L168 Benchmark]: Boogie Preprocessor took 93.92 ms. Allocated memory is still 203.9 MB. Free memory was 174.2 MB in the beginning and 169.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-08-18 17:44:10,454 INFO L168 Benchmark]: RCFGBuilder took 1215.46 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 169.9 MB in the beginning and 201.2 MB in the end (delta: -31.3 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. [2020-08-18 17:44:10,455 INFO L168 Benchmark]: TraceAbstraction took 44820.76 ms. Allocated memory was 234.9 MB in the beginning and 677.4 MB in the end (delta: 442.5 MB). Free memory was 201.2 MB in the beginning and 148.8 MB in the end (delta: 52.4 MB). Peak memory consumption was 547.7 MB. Max. memory is 7.1 GB. [2020-08-18 17:44:10,457 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.20 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 100.8 MB in the beginning and 174.2 MB in the end (delta: -73.4 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.92 ms. Allocated memory is still 203.9 MB. Free memory was 174.2 MB in the beginning and 169.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1215.46 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 169.9 MB in the beginning and 201.2 MB in the end (delta: -31.3 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 44820.76 ms. Allocated memory was 234.9 MB in the beginning and 677.4 MB in the end (delta: 442.5 MB). Free memory was 201.2 MB in the beginning and 148.8 MB in the end (delta: 52.4 MB). Peak memory consumption was 547.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: 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: 54]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || ((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 222 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.0s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 24.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1010 SDtfs, 1729 SDslu, 1166 SDs, 0 SdLazy, 5452 SolverSat, 1132 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=514occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 321 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 902 PreInvPairs, 960 NumberOfFragments, 1331 HoareAnnotationTreeSize, 902 FomulaSimplifications, 1756440 FormulaSimplificationTreeSizeReduction, 3.9s HoareSimplificationTime, 53 FomulaSimplificationsInter, 63403 FormulaSimplificationTreeSizeReductionInter, 11.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 646 NumberOfCodeBlocks, 646 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 637 ConstructedInterpolants, 0 QuantifiedInterpolants, 192831 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...