/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 21:58:18,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 21:58:18,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 21:58:18,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 21:58:18,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 21:58:18,533 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 21:58:18,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 21:58:18,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 21:58:18,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 21:58:18,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 21:58:18,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 21:58:18,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 21:58:18,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 21:58:18,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 21:58:18,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 21:58:18,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 21:58:18,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 21:58:18,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 21:58:18,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 21:58:18,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 21:58:18,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 21:58:18,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 21:58:18,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 21:58:18,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 21:58:18,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 21:58:18,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 21:58:18,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 21:58:18,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 21:58:18,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 21:58:18,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 21:58:18,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 21:58:18,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 21:58:18,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 21:58:18,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 21:58:18,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 21:58:18,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 21:58:18,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 21:58:18,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 21:58:18,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 21:58:18,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 21:58:18,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 21:58:18,582 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 [2020-08-21 21:58:18,604 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 21:58:18,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 21:58:18,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 21:58:18,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 21:58:18,606 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 21:58:18,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 21:58:18,606 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 21:58:18,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 21:58:18,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 21:58:18,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 21:58:18,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 21:58:18,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 21:58:18,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 21:58:18,608 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 21:58:18,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 21:58:18,608 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 21:58:18,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 21:58:18,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 21:58:18,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 21:58:18,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 21:58:18,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 21:58:18,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:58:18,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 21:58:18,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 21:58:18,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 21:58:18,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 21:58:18,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 21:58:18,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 21:58:18,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 21:58:18,611 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=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-08-21 21:58:18,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 21:58:18,923 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 21:58:18,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 21:58:18,928 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 21:58:18,928 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 21:58:18,929 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2020-08-21 21:58:19,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c0d3f061/913541d518a844b58b825f55004b50ae/FLAG6bc69216f [2020-08-21 21:58:19,518 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 21:58:19,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2020-08-21 21:58:19,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c0d3f061/913541d518a844b58b825f55004b50ae/FLAG6bc69216f [2020-08-21 21:58:19,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2c0d3f061/913541d518a844b58b825f55004b50ae [2020-08-21 21:58:19,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 21:58:19,825 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 21:58:19,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 21:58:19,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 21:58:19,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 21:58:19,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:58:19" (1/1) ... [2020-08-21 21:58:19,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0f39f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:58:19, skipping insertion in model container [2020-08-21 21:58:19,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:58:19" (1/1) ... [2020-08-21 21:58:19,841 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 21:58:19,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 21:58:20,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:58:20,257 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 21:58:20,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:58:20,478 INFO L208 MainTranslator]: Completed translation [2020-08-21 21:58:20,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:58:20 WrapperNode [2020-08-21 21:58:20,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 21:58:20,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 21:58:20,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 21:58:20,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 21:58:20,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:58:20" (1/1) ... [2020-08-21 21:58:20,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:58:20" (1/1) ... [2020-08-21 21:58:20,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:58:20" (1/1) ... [2020-08-21 21:58:20,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:58:20" (1/1) ... [2020-08-21 21:58:20,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:58:20" (1/1) ... [2020-08-21 21:58:20,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:58:20" (1/1) ... [2020-08-21 21:58:20,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:58:20" (1/1) ... [2020-08-21 21:58:20,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 21:58:20,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 21:58:20,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 21:58:20,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 21:58:20,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:58:20" (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 [2020-08-21 21:58:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 21:58:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 21:58:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 21:58:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 21:58:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 21:58:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 21:58:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 21:58:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 21:58:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 21:58:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-21 21:58:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-21 21:58:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 21:58:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 21:58:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 21:58:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 21:58:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 21:58:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 21:58:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-21 21:58:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 21:58:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 21:58:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 21:58:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 21:58:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 21:58:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 21:58:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 21:58:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 21:58:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 21:58:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 21:58:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 21:58:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 21:58:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 21:58:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 21:58:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 21:58:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 21:58:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 21:58:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 21:58:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 21:58:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-21 21:58:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 21:58:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 21:58:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 21:58:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 21:58:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 21:58:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 21:58:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 21:58:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 21:58:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 21:58:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 21:58:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 21:58:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 21:58:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 21:58:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 21:58:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 21:58:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 21:58:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 21:58:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 21:58:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 21:58:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 21:58:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 21:58:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 21:58:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 21:58:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 21:58:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 21:58:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-21 21:58:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-21 21:58:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 21:58:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 21:58:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 21:58:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 21:58:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 21:58:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-21 21:58:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 21:58:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 21:58:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 21:58:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 21:58:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 21:58:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 21:58:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 21:58:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 21:58:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 21:58:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 21:58:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 21:58:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 21:58:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 21:58:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 21:58:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 21:58:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 21:58:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 21:58:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-21 21:58:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 21:58:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 21:58:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 21:58:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 21:58:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 21:58:21,768 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 21:58:21,768 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 21:58:21,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:58:21 BoogieIcfgContainer [2020-08-21 21:58:21,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 21:58:21,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 21:58:21,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 21:58:21,778 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 21:58:21,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 09:58:19" (1/3) ... [2020-08-21 21:58:21,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4abf190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:58:21, skipping insertion in model container [2020-08-21 21:58:21,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:58:20" (2/3) ... [2020-08-21 21:58:21,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4abf190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:58:21, skipping insertion in model container [2020-08-21 21:58:21,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:58:21" (3/3) ... [2020-08-21 21:58:21,781 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2020-08-21 21:58:21,792 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 21:58:21,801 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 21:58:21,815 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 21:58:21,841 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 21:58:21,842 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 21:58:21,842 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 21:58:21,842 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 21:58:21,842 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 21:58:21,842 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 21:58:21,843 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 21:58:21,843 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 21:58:21,866 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-08-21 21:58:21,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 21:58:21,876 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:58:21,877 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:58:21,877 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:58:21,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:58:21,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1193827288, now seen corresponding path program 1 times [2020-08-21 21:58:21,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:58:21,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1024849636] [2020-08-21 21:58:21,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:58:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:22,567 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:58:22,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:58:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:22,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:58:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:22,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:58:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:22,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:58:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:22,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:58:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:22,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:58:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:22,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 21:58:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:22,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 21:58:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:22,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:58:22,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1024849636] [2020-08-21 21:58:22,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:58:22,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 21:58:22,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622685744] [2020-08-21 21:58:22,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 21:58:22,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:58:22,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 21:58:22,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 21:58:22,718 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-08-21 21:58:23,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:58:23,731 INFO L93 Difference]: Finished difference Result 261 states and 345 transitions. [2020-08-21 21:58:23,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 21:58:23,733 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-21 21:58:23,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:58:23,748 INFO L225 Difference]: With dead ends: 261 [2020-08-21 21:58:23,749 INFO L226 Difference]: Without dead ends: 147 [2020-08-21 21:58:23,753 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 21:58:23,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-08-21 21:58:23,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 115. [2020-08-21 21:58:23,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-08-21 21:58:23,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-08-21 21:58:23,849 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 51 [2020-08-21 21:58:23,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:58:23,850 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-08-21 21:58:23,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 21:58:23,850 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-08-21 21:58:23,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 21:58:23,855 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:58:23,856 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] [2020-08-21 21:58:23,856 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 21:58:23,856 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:58:23,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:58:23,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1415337384, now seen corresponding path program 1 times [2020-08-21 21:58:23,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:58:23,857 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2060677072] [2020-08-21 21:58:23,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:58:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:24,235 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:58:24,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:58:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:24,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:58:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:24,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:58:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:24,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:58:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:24,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:58:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:24,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:58:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:24,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:58:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:24,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 21:58:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:24,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:58:24,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2060677072] [2020-08-21 21:58:24,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:58:24,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 21:58:24,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119175266] [2020-08-21 21:58:24,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 21:58:24,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:58:24,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 21:58:24,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 21:58:24,307 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 5 states. [2020-08-21 21:58:24,796 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:58:25,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:58:25,537 INFO L93 Difference]: Finished difference Result 200 states and 248 transitions. [2020-08-21 21:58:25,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 21:58:25,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-21 21:58:25,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:58:25,546 INFO L225 Difference]: With dead ends: 200 [2020-08-21 21:58:25,546 INFO L226 Difference]: Without dead ends: 137 [2020-08-21 21:58:25,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:58:25,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-21 21:58:25,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 106. [2020-08-21 21:58:25,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-21 21:58:25,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2020-08-21 21:58:25,587 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 52 [2020-08-21 21:58:25,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:58:25,587 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2020-08-21 21:58:25,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 21:58:25,588 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2020-08-21 21:58:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-21 21:58:25,590 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:58:25,590 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] [2020-08-21 21:58:25,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 21:58:25,590 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:58:25,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:58:25,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1317606701, now seen corresponding path program 1 times [2020-08-21 21:58:25,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:58:25,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107444829] [2020-08-21 21:58:25,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:58:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:25,922 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:58:25,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:58:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:25,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:58:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:25,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:58:25,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:26,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:58:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:26,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:58:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:26,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:58:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:26,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 21:58:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:26,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 21:58:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:26,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:58:26,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107444829] [2020-08-21 21:58:26,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:58:26,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 21:58:26,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897311326] [2020-08-21 21:58:26,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 21:58:26,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:58:26,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 21:58:26,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:58:26,063 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 9 states. [2020-08-21 21:58:26,475 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:58:26,799 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:58:27,065 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:58:27,348 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:58:28,131 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 21:58:29,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:58:29,691 INFO L93 Difference]: Finished difference Result 362 states and 459 transitions. [2020-08-21 21:58:29,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 21:58:29,692 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-21 21:58:29,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:58:29,697 INFO L225 Difference]: With dead ends: 362 [2020-08-21 21:58:29,697 INFO L226 Difference]: Without dead ends: 284 [2020-08-21 21:58:29,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-21 21:58:29,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-08-21 21:58:29,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 227. [2020-08-21 21:58:29,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-08-21 21:58:29,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 276 transitions. [2020-08-21 21:58:29,813 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 276 transitions. Word has length 56 [2020-08-21 21:58:29,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:58:29,816 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 276 transitions. [2020-08-21 21:58:29,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 21:58:29,816 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 276 transitions. [2020-08-21 21:58:29,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-21 21:58:29,825 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:58:29,825 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] [2020-08-21 21:58:29,825 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 21:58:29,825 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:58:29,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:58:29,826 INFO L82 PathProgramCache]: Analyzing trace with hash -1428573535, now seen corresponding path program 1 times [2020-08-21 21:58:29,826 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:58:29,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206573904] [2020-08-21 21:58:29,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:58:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:30,198 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:58:30,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:58:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:30,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:58:30,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:30,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:58:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:30,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:58:30,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:30,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:58:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:30,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:58:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:30,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:58:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:30,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 21:58:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:30,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-21 21:58:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:58:30,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1206573904] [2020-08-21 21:58:30,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:58:30,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 21:58:30,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67860235] [2020-08-21 21:58:30,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 21:58:30,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:58:30,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 21:58:30,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:58:30,287 INFO L87 Difference]: Start difference. First operand 227 states and 276 transitions. Second operand 9 states. [2020-08-21 21:58:30,673 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:58:31,890 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:58:32,196 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:58:32,492 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:58:32,726 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:58:33,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:58:33,722 INFO L93 Difference]: Finished difference Result 723 states and 967 transitions. [2020-08-21 21:58:33,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-21 21:58:33,723 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-21 21:58:33,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:58:33,729 INFO L225 Difference]: With dead ends: 723 [2020-08-21 21:58:33,729 INFO L226 Difference]: Without dead ends: 524 [2020-08-21 21:58:33,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-21 21:58:33,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-08-21 21:58:33,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 402. [2020-08-21 21:58:33,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-08-21 21:58:33,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 492 transitions. [2020-08-21 21:58:33,865 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 492 transitions. Word has length 62 [2020-08-21 21:58:33,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:58:33,866 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 492 transitions. [2020-08-21 21:58:33,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 21:58:33,866 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 492 transitions. [2020-08-21 21:58:33,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-21 21:58:33,868 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:58:33,868 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] [2020-08-21 21:58:33,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 21:58:33,869 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:58:33,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:58:33,869 INFO L82 PathProgramCache]: Analyzing trace with hash 933153277, now seen corresponding path program 1 times [2020-08-21 21:58:33,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:58:33,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1367604101] [2020-08-21 21:58:33,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:58:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:34,173 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:58:34,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:58:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:34,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 21:58:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:34,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:58:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:34,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 21:58:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:34,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 21:58:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:34,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:58:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:34,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 21:58:34,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:34,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 21:58:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:34,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 21:58:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:34,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-21 21:58:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:58:34,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:58:34,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1367604101] [2020-08-21 21:58:34,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:58:34,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 21:58:34,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646776983] [2020-08-21 21:58:34,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 21:58:34,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:58:34,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 21:58:34,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-21 21:58:34,283 INFO L87 Difference]: Start difference. First operand 402 states and 492 transitions. Second operand 10 states. [2020-08-21 21:58:34,671 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 21:58:35,634 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:58:35,910 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:58:36,190 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 21:58:36,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:58:36,640 INFO L93 Difference]: Finished difference Result 747 states and 992 transitions. [2020-08-21 21:58:36,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 21:58:36,643 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-21 21:58:36,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:58:36,643 INFO L225 Difference]: With dead ends: 747 [2020-08-21 21:58:36,643 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 21:58:36,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-21 21:58:36,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 21:58:36,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 21:58:36,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 21:58:36,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 21:58:36,647 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-21 21:58:36,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:58:36,648 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 21:58:36,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 21:58:36,648 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 21:58:36,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 21:58:36,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 21:58:36,650 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 21:58:39,812 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 21:58:39,986 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 21:58:40,168 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 21:58:40,360 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 21:58:40,544 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-21 21:58:40,880 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 21:58:41,218 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-21 21:58:41,434 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 21:58:41,765 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-21 21:58:41,919 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 21:58:42,231 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-21 21:58:42,580 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-21 21:58:42,774 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 21:58:42,969 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 21:58:43,335 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 21:58:43,530 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 21:58:43,743 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-21 21:58:43,917 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 21:58:44,106 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 21:58:44,274 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 21:58:44,780 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-21 21:58:45,107 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 21:58:45,429 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-21 21:58:45,734 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 21:58:45,738 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-21 21:58:45,739 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-21 21:58:45,739 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 21:58:45,739 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-21 21:58:45,739 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-21 21:58:45,740 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-21 21:58:45,740 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-21 21:58:45,740 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-21 21:58:45,740 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 21:58:45,741 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-21 21:58:45,741 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-21 21:58:45,741 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-21 21:58:45,741 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-21 21:58:45,741 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 21:58:45,741 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-21 21:58:45,742 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-21 21:58:45,742 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-21 21:58:45,742 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-21 21:58:45,742 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 732 738) the Hoare annotation is: true [2020-08-21 21:58:45,742 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 732 738) no Hoare annotation was computed. [2020-08-21 21:58:45,742 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 739 747) no Hoare annotation was computed. [2020-08-21 21:58:45,742 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 739 747) the Hoare annotation is: true [2020-08-21 21:58:45,743 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 739 747) no Hoare annotation was computed. [2020-08-21 21:58:45,743 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 622 644) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:58:45,743 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:58:45,743 INFO L264 CegarLoopResult]: At program point L634-1(line 634) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:58:45,743 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 622 644) no Hoare annotation was computed. [2020-08-21 21:58:45,744 INFO L268 CegarLoopResult]: For program point L632(lines 632 639) no Hoare annotation was computed. [2020-08-21 21:58:45,744 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 639) no Hoare annotation was computed. [2020-08-21 21:58:45,744 INFO L268 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-08-21 21:58:45,744 INFO L264 CegarLoopResult]: At program point L629(line 629) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:58:45,744 INFO L264 CegarLoopResult]: At program point L628(line 628) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:58:45,744 INFO L264 CegarLoopResult]: At program point L628-1(line 628) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:58:45,745 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 622 644) no Hoare annotation was computed. [2020-08-21 21:58:45,745 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 576 599) no Hoare annotation was computed. [2020-08-21 21:58:45,745 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 576 599) no Hoare annotation was computed. [2020-08-21 21:58:45,745 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 576 599) no Hoare annotation was computed. [2020-08-21 21:58:45,745 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-08-21 21:58:45,745 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-08-21 21:58:45,745 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-21 21:58:45,746 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-08-21 21:58:45,746 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-08-21 21:58:45,746 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-21 21:58:45,746 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-21 21:58:45,746 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-21 21:58:45,746 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-21 21:58:45,746 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-08-21 21:58:45,746 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-08-21 21:58:45,747 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-21 21:58:45,747 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-08-21 21:58:45,747 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-08-21 21:58:45,747 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 920 934) no Hoare annotation was computed. [2020-08-21 21:58:45,747 INFO L264 CegarLoopResult]: At program point L926(line 926) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 21:58:45,747 INFO L268 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-08-21 21:58:45,747 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 920 934) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 21:58:45,747 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 920 934) no Hoare annotation was computed. [2020-08-21 21:58:45,748 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 856 864) no Hoare annotation was computed. [2020-08-21 21:58:45,748 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 856 864) the Hoare annotation is: true [2020-08-21 21:58:45,748 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 856 864) no Hoare annotation was computed. [2020-08-21 21:58:45,748 INFO L268 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-08-21 21:58:45,748 INFO L271 CegarLoopResult]: At program point L908(line 908) the Hoare annotation is: true [2020-08-21 21:58:45,748 INFO L268 CegarLoopResult]: For program point L910-2(lines 910 914) no Hoare annotation was computed. [2020-08-21 21:58:45,748 INFO L268 CegarLoopResult]: For program point L908-1(line 908) no Hoare annotation was computed. [2020-08-21 21:58:45,748 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 901 919) the Hoare annotation is: true [2020-08-21 21:58:45,749 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 901 919) no Hoare annotation was computed. [2020-08-21 21:58:45,749 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 901 919) no Hoare annotation was computed. [2020-08-21 21:58:45,749 INFO L268 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-08-21 21:58:45,749 INFO L268 CegarLoopResult]: For program point L895-1(line 895) no Hoare annotation was computed. [2020-08-21 21:58:45,749 INFO L268 CegarLoopResult]: For program point L884(lines 884 892) no Hoare annotation was computed. [2020-08-21 21:58:45,749 INFO L268 CegarLoopResult]: For program point L884-2(lines 884 892) no Hoare annotation was computed. [2020-08-21 21:58:45,749 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 865 900) no Hoare annotation was computed. [2020-08-21 21:58:45,749 INFO L268 CegarLoopResult]: For program point L872(lines 872 880) no Hoare annotation was computed. [2020-08-21 21:58:45,749 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 865 900) no Hoare annotation was computed. [2020-08-21 21:58:45,750 INFO L268 CegarLoopResult]: For program point L872-2(lines 872 880) no Hoare annotation was computed. [2020-08-21 21:58:45,750 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 865 900) no Hoare annotation was computed. [2020-08-21 21:58:45,750 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 725 731) no Hoare annotation was computed. [2020-08-21 21:58:45,750 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 725 731) the Hoare annotation is: true [2020-08-21 21:58:45,750 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-21 21:58:45,750 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-21 21:58:45,750 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-21 21:58:45,750 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-21 21:58:45,751 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-21 21:58:45,751 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-21 21:58:45,751 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-21 21:58:45,751 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-21 21:58:45,751 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-21 21:58:45,751 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 608 618) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:58:45,751 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 608 618) no Hoare annotation was computed. [2020-08-21 21:58:45,751 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 608 618) no Hoare annotation was computed. [2020-08-21 21:58:45,752 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:58:45,752 INFO L268 CegarLoopResult]: For program point L850-1(line 850) no Hoare annotation was computed. [2020-08-21 21:58:45,752 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 845 855) no Hoare annotation was computed. [2020-08-21 21:58:45,752 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 845 855) no Hoare annotation was computed. [2020-08-21 21:58:45,752 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 845 855) no Hoare annotation was computed. [2020-08-21 21:58:45,752 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-08-21 21:58:45,752 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 837 844) the Hoare annotation is: true [2020-08-21 21:58:45,753 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 837 844) no Hoare annotation was computed. [2020-08-21 21:58:45,753 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 837 844) no Hoare annotation was computed. [2020-08-21 21:58:45,753 INFO L264 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:58:45,753 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:58:45,753 INFO L268 CegarLoopResult]: For program point L794(lines 794 802) no Hoare annotation was computed. [2020-08-21 21:58:45,753 INFO L264 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:58:45,753 INFO L268 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-08-21 21:58:45,754 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 786 810) no Hoare annotation was computed. [2020-08-21 21:58:45,754 INFO L268 CegarLoopResult]: For program point L790(lines 790 807) no Hoare annotation was computed. [2020-08-21 21:58:45,754 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 786 810) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:58:45,754 INFO L264 CegarLoopResult]: At program point L805(line 805) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:58:45,754 INFO L268 CegarLoopResult]: For program point L805-1(lines 786 810) no Hoare annotation was computed. [2020-08-21 21:58:45,754 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 778 784) no Hoare annotation was computed. [2020-08-21 21:58:45,754 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 778 784) the Hoare annotation is: true [2020-08-21 21:58:45,754 INFO L264 CegarLoopResult]: At program point testENTRY(lines 647 712) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:58:45,755 INFO L264 CegarLoopResult]: At program point L702(lines 657 704) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 21:58:45,755 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 21:58:45,755 INFO L268 CegarLoopResult]: For program point L667(lines 667 673) no Hoare annotation was computed. [2020-08-21 21:58:45,755 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2020-08-21 21:58:45,755 INFO L268 CegarLoopResult]: For program point testFINAL(lines 647 712) no Hoare annotation was computed. [2020-08-21 21:58:45,755 INFO L268 CegarLoopResult]: For program point L659(lines 659 663) no Hoare annotation was computed. [2020-08-21 21:58:45,755 INFO L264 CegarLoopResult]: At program point L705(lines 656 706) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 21:58:45,756 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 21:58:45,756 INFO L268 CegarLoopResult]: For program point L693(lines 693 699) no Hoare annotation was computed. [2020-08-21 21:58:45,756 INFO L264 CegarLoopResult]: At program point L693-1(lines 687 700) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 21:58:45,756 INFO L268 CegarLoopResult]: For program point L658(lines 657 704) no Hoare annotation was computed. [2020-08-21 21:58:45,756 INFO L268 CegarLoopResult]: For program point L687(lines 687 700) no Hoare annotation was computed. [2020-08-21 21:58:45,756 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 21:58:45,756 INFO L268 CegarLoopResult]: For program point L677(lines 677 683) no Hoare annotation was computed. [2020-08-21 21:58:45,756 INFO L268 CegarLoopResult]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2020-08-21 21:58:45,757 INFO L268 CegarLoopResult]: For program point testEXIT(lines 647 712) no Hoare annotation was computed. [2020-08-21 21:58:45,757 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-21 21:58:45,757 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-21 21:58:45,757 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-21 21:58:45,757 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-21 21:58:45,757 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-21 21:58:45,757 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-21 21:58:45,757 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 811 818) no Hoare annotation was computed. [2020-08-21 21:58:45,758 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 811 818) no Hoare annotation was computed. [2020-08-21 21:58:45,758 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 811 818) no Hoare annotation was computed. [2020-08-21 21:58:45,758 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 533 541) no Hoare annotation was computed. [2020-08-21 21:58:45,758 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 533 541) the Hoare annotation is: true [2020-08-21 21:58:45,758 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 533 541) no Hoare annotation was computed. [2020-08-21 21:58:45,758 INFO L264 CegarLoopResult]: At program point L433(line 433) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 21:58:45,758 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 418 446) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 21:58:45,758 INFO L268 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-08-21 21:58:45,759 INFO L268 CegarLoopResult]: For program point L430(lines 430 440) no Hoare annotation was computed. [2020-08-21 21:58:45,759 INFO L264 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-21 21:58:45,759 INFO L268 CegarLoopResult]: For program point L428-1(line 428) no Hoare annotation was computed. [2020-08-21 21:58:45,759 INFO L268 CegarLoopResult]: For program point L426(lines 426 443) no Hoare annotation was computed. [2020-08-21 21:58:45,759 INFO L268 CegarLoopResult]: For program point L426-1(lines 418 446) no Hoare annotation was computed. [2020-08-21 21:58:45,759 INFO L264 CegarLoopResult]: At program point L424(line 424) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 21:58:45,759 INFO L268 CegarLoopResult]: For program point L424-1(line 424) no Hoare annotation was computed. [2020-08-21 21:58:45,759 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 418 446) no Hoare annotation was computed. [2020-08-21 21:58:45,759 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 410 417) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 21:58:45,760 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 410 417) no Hoare annotation was computed. [2020-08-21 21:58:45,760 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 410 417) no Hoare annotation was computed. [2020-08-21 21:58:45,760 INFO L268 CegarLoopResult]: For program point L509(lines 509 517) no Hoare annotation was computed. [2020-08-21 21:58:45,760 INFO L268 CegarLoopResult]: For program point L509-2(lines 509 517) no Hoare annotation was computed. [2020-08-21 21:58:45,760 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 501 523) no Hoare annotation was computed. [2020-08-21 21:58:45,760 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 501 523) no Hoare annotation was computed. [2020-08-21 21:58:45,760 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 501 523) no Hoare annotation was computed. [2020-08-21 21:58:45,760 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-21 21:58:45,760 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-21 21:58:45,761 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-21 21:58:45,761 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-21 21:58:45,761 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-21 21:58:45,761 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-21 21:58:45,761 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-21 21:58:45,761 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-21 21:58:45,761 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-21 21:58:45,761 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-21 21:58:45,761 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-21 21:58:45,762 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-21 21:58:45,762 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-21 21:58:45,762 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-21 21:58:45,762 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-21 21:58:45,762 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-21 21:58:45,762 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 715 724) no Hoare annotation was computed. [2020-08-21 21:58:45,762 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 715 724) no Hoare annotation was computed. [2020-08-21 21:58:45,762 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 715 724) no Hoare annotation was computed. [2020-08-21 21:58:45,762 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:58:45,763 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)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#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~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 21:58:45,763 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:58:45,763 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-08-21 21:58:45,763 INFO L268 CegarLoopResult]: For program point L831-1(lines 820 836) no Hoare annotation was computed. [2020-08-21 21:58:45,763 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 820 836) no Hoare annotation was computed. [2020-08-21 21:58:45,763 INFO L268 CegarLoopResult]: For program point L827(lines 827 833) no Hoare annotation was computed. [2020-08-21 21:58:45,764 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-08-21 21:58:45,764 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 820 836) no Hoare annotation was computed. [2020-08-21 21:58:45,764 INFO L268 CegarLoopResult]: For program point L825-1(line 825) no Hoare annotation was computed. [2020-08-21 21:58:45,764 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 524 532) no Hoare annotation was computed. [2020-08-21 21:58:45,764 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 524 532) no Hoare annotation was computed. [2020-08-21 21:58:45,764 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 524 532) no Hoare annotation was computed. [2020-08-21 21:58:45,764 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:58:45,764 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 21:58:45,764 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:58:45,765 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 480 491) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 21:58:45,765 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 480 491) no Hoare annotation was computed. [2020-08-21 21:58:45,765 INFO L268 CegarLoopResult]: For program point L484-1(lines 480 491) no Hoare annotation was computed. [2020-08-21 21:58:45,765 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 492 500) the Hoare annotation is: true [2020-08-21 21:58:45,765 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 492 500) no Hoare annotation was computed. [2020-08-21 21:58:45,765 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 492 500) no Hoare annotation was computed. [2020-08-21 21:58:45,765 INFO L264 CegarLoopResult]: At program point L767(line 767) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:58:45,765 INFO L264 CegarLoopResult]: At program point L765(lines 765 771) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:58:45,766 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 21:58:45,766 INFO L268 CegarLoopResult]: For program point L758(lines 757 776) no Hoare annotation was computed. [2020-08-21 21:58:45,766 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 754 777) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 21:58:45,766 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 754 777) no Hoare annotation was computed. [2020-08-21 21:58:45,766 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 754 777) no Hoare annotation was computed. [2020-08-21 21:58:45,766 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 545 574) no Hoare annotation was computed. [2020-08-21 21:58:45,766 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 545 574) the Hoare annotation is: true [2020-08-21 21:58:45,766 INFO L271 CegarLoopResult]: At program point L570(lines 545 574) the Hoare annotation is: true [2020-08-21 21:58:45,767 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-21 21:58:45,767 INFO L268 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2020-08-21 21:58:45,767 INFO L271 CegarLoopResult]: At program point L559-1(lines 559 563) the Hoare annotation is: true [2020-08-21 21:58:45,767 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-21 21:58:45,767 INFO L271 CegarLoopResult]: At program point L555-2(lines 555 569) the Hoare annotation is: true [2020-08-21 21:58:45,767 INFO L271 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: true [2020-08-21 21:58:45,767 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-08-21 21:58:45,767 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 456 467) the Hoare annotation is: true [2020-08-21 21:58:45,768 INFO L268 CegarLoopResult]: For program point L460-1(lines 456 467) no Hoare annotation was computed. [2020-08-21 21:58:45,768 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 456 467) no Hoare annotation was computed. [2020-08-21 21:58:45,768 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 600 606) no Hoare annotation was computed. [2020-08-21 21:58:45,768 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 600 606) the Hoare annotation is: true [2020-08-21 21:58:45,768 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 21:58:45,768 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 21:58:45,768 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 21:58:45,768 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 21:58:45,768 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 468 479) no Hoare annotation was computed. [2020-08-21 21:58:45,768 INFO L268 CegarLoopResult]: For program point L472-1(lines 468 479) no Hoare annotation was computed. [2020-08-21 21:58:45,768 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 468 479) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 21:58:45,768 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 936 943) no Hoare annotation was computed. [2020-08-21 21:58:45,769 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2020-08-21 21:58:45,769 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 936 943) the Hoare annotation is: true [2020-08-21 21:58:45,769 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 936 943) no Hoare annotation was computed. [2020-08-21 21:58:45,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 09:58:45 BoogieIcfgContainer [2020-08-21 21:58:45,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 21:58:45,787 INFO L168 Benchmark]: Toolchain (without parser) took 25961.88 ms. Allocated memory was 138.9 MB in the beginning and 655.4 MB in the end (delta: 516.4 MB). Free memory was 100.2 MB in the beginning and 287.8 MB in the end (delta: -187.6 MB). Peak memory consumption was 500.3 MB. Max. memory is 7.1 GB. [2020-08-21 21:58:45,788 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 21:58:45,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.80 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 100.0 MB in the beginning and 171.7 MB in the end (delta: -71.7 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2020-08-21 21:58:45,789 INFO L168 Benchmark]: Boogie Preprocessor took 94.47 ms. Allocated memory is still 202.9 MB. Free memory was 171.7 MB in the beginning and 167.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-21 21:58:45,790 INFO L168 Benchmark]: RCFGBuilder took 1198.78 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 167.6 MB in the beginning and 196.9 MB in the end (delta: -29.3 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. [2020-08-21 21:58:45,791 INFO L168 Benchmark]: TraceAbstraction took 24010.22 ms. Allocated memory was 234.9 MB in the beginning and 655.4 MB in the end (delta: 420.5 MB). Free memory was 196.9 MB in the beginning and 287.8 MB in the end (delta: -90.9 MB). Peak memory consumption was 501.0 MB. Max. memory is 7.1 GB. [2020-08-21 21:58:45,795 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.80 ms. Allocated memory was 138.9 MB in the beginning and 202.9 MB in the end (delta: 64.0 MB). Free memory was 100.0 MB in the beginning and 171.7 MB in the end (delta: -71.7 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.47 ms. Allocated memory is still 202.9 MB. Free memory was 171.7 MB in the beginning and 167.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1198.78 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 167.6 MB in the beginning and 196.9 MB in the end (delta: -29.3 MB). Peak memory consumption was 85.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24010.22 ms. Allocated memory was 234.9 MB in the beginning and 655.4 MB in the end (delta: 420.5 MB). Free memory was 196.9 MB in the beginning and 287.8 MB in the end (delta: -90.9 MB). Peak memory consumption was 501.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: 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: 657]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 490 SDtfs, 858 SDslu, 574 SDs, 0 SdLazy, 2445 SolverSat, 599 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=402occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 491 PreInvPairs, 582 NumberOfFragments, 775 HoareAnnotationTreeSize, 491 FomulaSimplifications, 192822 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 54 FomulaSimplificationsInter, 17290 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 83506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...