/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:26:09,576 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:26:09,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:26:09,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:26:09,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:26:09,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:26:09,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:26:09,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:26:09,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:26:09,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:26:09,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:26:09,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:26:09,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:26:09,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:26:09,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:26:09,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:26:09,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:26:09,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:26:09,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:26:09,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:26:09,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:26:09,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:26:09,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:26:09,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:26:09,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:26:09,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:26:09,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:26:09,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:26:09,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:26:09,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:26:09,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:26:09,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:26:09,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:26:09,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:26:09,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:26:09,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:26:09,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:26:09,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:26:09,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:26:09,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:26:09,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:26:09,628 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:26:09,647 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:26:09,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:26:09,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:26:09,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:26:09,649 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:26:09,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:26:09,650 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:26:09,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:26:09,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:26:09,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:26:09,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:26:09,652 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:26:09,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:26:09,652 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:26:09,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:26:09,653 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:26:09,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:26:09,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:26:09,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:26:09,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:26:09,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:26:09,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:26:09,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:26:09,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:26:09,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:26:09,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:26:09,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:09,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:26:09,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:26:09,657 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 -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:26:10,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:26:10,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:26:10,023 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:26:10,024 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:26:10,025 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:26:10,026 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-07-20 16:26:10,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d6951a3d/c74a058a860d4d37b987cab7a3516ede/FLAG62e15f5b2 [2020-07-20 16:26:10,578 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:26:10,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-07-20 16:26:10,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d6951a3d/c74a058a860d4d37b987cab7a3516ede/FLAG62e15f5b2 [2020-07-20 16:26:10,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d6951a3d/c74a058a860d4d37b987cab7a3516ede [2020-07-20 16:26:10,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:26:10,850 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:26:10,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:10,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:26:10,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:26:10,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:10" (1/1) ... [2020-07-20 16:26:10,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24023bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:10, skipping insertion in model container [2020-07-20 16:26:10,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:26:10" (1/1) ... [2020-07-20 16:26:10,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:26:10,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:26:11,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:11,343 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:26:11,486 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:26:11,522 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:26:11,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:11 WrapperNode [2020-07-20 16:26:11,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:26:11,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:26:11,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:26:11,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:26:11,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:11" (1/1) ... [2020-07-20 16:26:11,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:11" (1/1) ... [2020-07-20 16:26:11,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:11" (1/1) ... [2020-07-20 16:26:11,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:11" (1/1) ... [2020-07-20 16:26:11,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:11" (1/1) ... [2020-07-20 16:26:11,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:11" (1/1) ... [2020-07-20 16:26:11,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:11" (1/1) ... [2020-07-20 16:26:11,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:26:11,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:26:11,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:26:11,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:26:11,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-20 16:26:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:26:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:26:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:26:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:26:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:26:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:26:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:26:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:26:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:26:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:26:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:26:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:26:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 16:26:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:26:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:26:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:11,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:11,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:11,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:26:11,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:26:11,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:26:11,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:11,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:11,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:26:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:26:11,702 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:26:11,702 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:26:11,702 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:26:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:26:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:26:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:26:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:26:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:26:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:26:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:26:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:26:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:26:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:26:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:26:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:26:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:26:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:26:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:26:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:26:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:26:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:26:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:26:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:26:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:26:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:26:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:26:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:26:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 16:26:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:26:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 16:26:11,710 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 16:26:11,710 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:26:11,710 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:26:11,710 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:26:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:26:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:26:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:26:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:26:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:26:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:26:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:26:11,712 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:26:11,712 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:26:11,712 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:26:11,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:26:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:26:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:26:11,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:26:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:26:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:26:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:26:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:26:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:26:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:26:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:26:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:26:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:26:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:26:11,716 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:26:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 16:26:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:26:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:26:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:26:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:26:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:26:11,717 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:26:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:26:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:26:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:26:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:26:11,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:26:12,854 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:26:12,854 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:26:12,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:12 BoogieIcfgContainer [2020-07-20 16:26:12,860 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:26:12,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:26:12,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:26:12,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:26:12,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:26:10" (1/3) ... [2020-07-20 16:26:12,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d7754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:12, skipping insertion in model container [2020-07-20 16:26:12,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:26:11" (2/3) ... [2020-07-20 16:26:12,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d7754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:26:12, skipping insertion in model container [2020-07-20 16:26:12,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:26:12" (3/3) ... [2020-07-20 16:26:12,868 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2020-07-20 16:26:12,879 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:26:12,887 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:26:12,902 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:26:12,932 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:26:12,932 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:26:12,932 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:26:12,933 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:26:12,934 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:26:12,934 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:26:12,934 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:26:12,935 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:26:12,959 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-07-20 16:26:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 16:26:12,970 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:12,971 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:12,972 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:12,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:12,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1231866733, now seen corresponding path program 1 times [2020-07-20 16:26:12,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:12,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1534407645] [2020-07-20 16:26:12,989 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:13,442 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:13,443 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:13,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:26:13,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:13,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:26:13,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:13,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1534407645] [2020-07-20 16:26:13,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:13,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:26:13,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967934394] [2020-07-20 16:26:13,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:26:13,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:13,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:26:13,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:26:13,524 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2020-07-20 16:26:13,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:13,572 INFO L93 Difference]: Finished difference Result 288 states and 355 transitions. [2020-07-20 16:26:13,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:26:13,574 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 16:26:13,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:13,588 INFO L225 Difference]: With dead ends: 288 [2020-07-20 16:26:13,589 INFO L226 Difference]: Without dead ends: 146 [2020-07-20 16:26:13,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:26:13,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-07-20 16:26:13,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-07-20 16:26:13,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-20 16:26:13,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2020-07-20 16:26:13,656 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 59 [2020-07-20 16:26:13,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:13,656 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2020-07-20 16:26:13,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:26:13,657 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2020-07-20 16:26:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 16:26:13,661 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:13,661 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:13,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:13,870 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:13,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:13,870 INFO L82 PathProgramCache]: Analyzing trace with hash 735941424, now seen corresponding path program 1 times [2020-07-20 16:26:13,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:13,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132364853] [2020-07-20 16:26:13,872 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:14,273 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:14,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:14,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:26:14,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:14,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:26:14,323 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:14,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132364853] [2020-07-20 16:26:14,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:14,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:14,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490898126] [2020-07-20 16:26:14,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:14,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:14,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:14,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:14,327 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 3 states. [2020-07-20 16:26:14,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:14,349 INFO L93 Difference]: Finished difference Result 227 states and 265 transitions. [2020-07-20 16:26:14,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:14,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 16:26:14,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:14,353 INFO L225 Difference]: With dead ends: 227 [2020-07-20 16:26:14,353 INFO L226 Difference]: Without dead ends: 137 [2020-07-20 16:26:14,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:14,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-07-20 16:26:14,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2020-07-20 16:26:14,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-07-20 16:26:14,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2020-07-20 16:26:14,370 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 60 [2020-07-20 16:26:14,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:14,371 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2020-07-20 16:26:14,371 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:14,371 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2020-07-20 16:26:14,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 16:26:14,375 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:14,376 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:14,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:14,590 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:14,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:14,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1019781836, now seen corresponding path program 1 times [2020-07-20 16:26:14,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:14,591 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1893202795] [2020-07-20 16:26:14,591 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:15,080 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:15,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:15,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:15,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:15,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:15,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:15,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1893202795] [2020-07-20 16:26:15,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:15,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:15,137 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146777959] [2020-07-20 16:26:15,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:15,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:15,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:15,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:15,141 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 3 states. [2020-07-20 16:26:15,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:15,191 INFO L93 Difference]: Finished difference Result 351 states and 420 transitions. [2020-07-20 16:26:15,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:15,191 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 16:26:15,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:15,195 INFO L225 Difference]: With dead ends: 351 [2020-07-20 16:26:15,195 INFO L226 Difference]: Without dead ends: 242 [2020-07-20 16:26:15,197 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:15,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-07-20 16:26:15,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 236. [2020-07-20 16:26:15,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-07-20 16:26:15,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 281 transitions. [2020-07-20 16:26:15,225 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 281 transitions. Word has length 65 [2020-07-20 16:26:15,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:15,225 INFO L479 AbstractCegarLoop]: Abstraction has 236 states and 281 transitions. [2020-07-20 16:26:15,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:15,226 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 281 transitions. [2020-07-20 16:26:15,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 16:26:15,229 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:15,229 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:15,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:15,445 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:15,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:15,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1071873071, now seen corresponding path program 1 times [2020-07-20 16:26:15,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:15,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [206617743] [2020-07-20 16:26:15,448 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:15,897 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:15,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:15,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:15,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:15,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:15,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:15,954 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [206617743] [2020-07-20 16:26:15,954 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:15,954 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:15,954 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454565753] [2020-07-20 16:26:15,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:15,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:15,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:15,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:15,956 INFO L87 Difference]: Start difference. First operand 236 states and 281 transitions. Second operand 6 states. [2020-07-20 16:26:16,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:16,200 INFO L93 Difference]: Finished difference Result 568 states and 709 transitions. [2020-07-20 16:26:16,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:26:16,200 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 16:26:16,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:16,205 INFO L225 Difference]: With dead ends: 568 [2020-07-20 16:26:16,205 INFO L226 Difference]: Without dead ends: 360 [2020-07-20 16:26:16,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:26:16,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-07-20 16:26:16,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 350. [2020-07-20 16:26:16,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-07-20 16:26:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 421 transitions. [2020-07-20 16:26:16,274 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 421 transitions. Word has length 70 [2020-07-20 16:26:16,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:16,276 INFO L479 AbstractCegarLoop]: Abstraction has 350 states and 421 transitions. [2020-07-20 16:26:16,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:16,277 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 421 transitions. [2020-07-20 16:26:16,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 16:26:16,285 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:16,288 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:16,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:16,502 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:16,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:16,503 INFO L82 PathProgramCache]: Analyzing trace with hash -573764694, now seen corresponding path program 1 times [2020-07-20 16:26:16,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:16,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2115222583] [2020-07-20 16:26:16,504 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:16,649 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:26:16,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:16,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:26:16,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:16,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:16,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2115222583] [2020-07-20 16:26:16,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:16,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:26:16,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030275598] [2020-07-20 16:26:16,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:26:16,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:16,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:26:16,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:16,687 INFO L87 Difference]: Start difference. First operand 350 states and 421 transitions. Second operand 5 states. [2020-07-20 16:26:16,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:16,714 INFO L93 Difference]: Finished difference Result 686 states and 856 transitions. [2020-07-20 16:26:16,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:26:16,715 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-07-20 16:26:16,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:16,718 INFO L225 Difference]: With dead ends: 686 [2020-07-20 16:26:16,718 INFO L226 Difference]: Without dead ends: 364 [2020-07-20 16:26:16,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:16,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2020-07-20 16:26:16,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2020-07-20 16:26:16,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2020-07-20 16:26:16,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 429 transitions. [2020-07-20 16:26:16,743 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 429 transitions. Word has length 93 [2020-07-20 16:26:16,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:16,743 INFO L479 AbstractCegarLoop]: Abstraction has 358 states and 429 transitions. [2020-07-20 16:26:16,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:26:16,744 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 429 transitions. [2020-07-20 16:26:16,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 16:26:16,745 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:16,746 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:16,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:16,959 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:16,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:16,960 INFO L82 PathProgramCache]: Analyzing trace with hash 127835180, now seen corresponding path program 1 times [2020-07-20 16:26:16,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:16,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1041275494] [2020-07-20 16:26:16,961 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:17,309 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:17,310 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:17,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 746 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:26:17,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:17,372 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:17,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1041275494] [2020-07-20 16:26:17,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:17,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:17,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314963865] [2020-07-20 16:26:17,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:17,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:17,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:17,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:17,374 INFO L87 Difference]: Start difference. First operand 358 states and 429 transitions. Second operand 3 states. [2020-07-20 16:26:17,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:17,424 INFO L93 Difference]: Finished difference Result 994 states and 1275 transitions. [2020-07-20 16:26:17,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:17,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-07-20 16:26:17,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:17,429 INFO L225 Difference]: With dead ends: 994 [2020-07-20 16:26:17,430 INFO L226 Difference]: Without dead ends: 664 [2020-07-20 16:26:17,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:17,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2020-07-20 16:26:17,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 661. [2020-07-20 16:26:17,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-07-20 16:26:17,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 830 transitions. [2020-07-20 16:26:17,473 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 830 transitions. Word has length 93 [2020-07-20 16:26:17,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:17,474 INFO L479 AbstractCegarLoop]: Abstraction has 661 states and 830 transitions. [2020-07-20 16:26:17,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:17,474 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 830 transitions. [2020-07-20 16:26:17,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-20 16:26:17,477 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:17,477 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:17,690 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:17,691 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:17,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:17,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1032214257, now seen corresponding path program 1 times [2020-07-20 16:26:17,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:17,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1247204076] [2020-07-20 16:26:17,693 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:18,085 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:18,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:18,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 16:26:18,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:18,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:18,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1247204076] [2020-07-20 16:26:18,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:18,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:18,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168136563] [2020-07-20 16:26:18,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:18,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:18,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:18,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:18,163 INFO L87 Difference]: Start difference. First operand 661 states and 830 transitions. Second operand 6 states. [2020-07-20 16:26:19,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:19,230 INFO L93 Difference]: Finished difference Result 2237 states and 3006 transitions. [2020-07-20 16:26:19,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 16:26:19,232 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2020-07-20 16:26:19,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:19,244 INFO L225 Difference]: With dead ends: 2237 [2020-07-20 16:26:19,244 INFO L226 Difference]: Without dead ends: 1604 [2020-07-20 16:26:19,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 16:26:19,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2020-07-20 16:26:19,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1480. [2020-07-20 16:26:19,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1480 states. [2020-07-20 16:26:19,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1480 states to 1480 states and 1922 transitions. [2020-07-20 16:26:19,369 INFO L78 Accepts]: Start accepts. Automaton has 1480 states and 1922 transitions. Word has length 97 [2020-07-20 16:26:19,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:19,369 INFO L479 AbstractCegarLoop]: Abstraction has 1480 states and 1922 transitions. [2020-07-20 16:26:19,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1922 transitions. [2020-07-20 16:26:19,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 16:26:19,372 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:19,372 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:19,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:19,586 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:19,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:19,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1995721705, now seen corresponding path program 1 times [2020-07-20 16:26:19,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:19,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [576756542] [2020-07-20 16:26:19,587 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:20,006 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:20,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:20,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:26:20,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:20,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:20,042 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:20,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [576756542] [2020-07-20 16:26:20,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:20,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:26:20,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064623502] [2020-07-20 16:26:20,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:26:20,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:20,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:26:20,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:26:20,044 INFO L87 Difference]: Start difference. First operand 1480 states and 1922 transitions. Second operand 6 states. [2020-07-20 16:26:20,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:20,124 INFO L93 Difference]: Finished difference Result 2952 states and 3900 transitions. [2020-07-20 16:26:20,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:26:20,124 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2020-07-20 16:26:20,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:20,134 INFO L225 Difference]: With dead ends: 2952 [2020-07-20 16:26:20,134 INFO L226 Difference]: Without dead ends: 1500 [2020-07-20 16:26:20,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:26:20,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1500 states. [2020-07-20 16:26:20,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1500 to 1500. [2020-07-20 16:26:20,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1500 states. [2020-07-20 16:26:20,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1946 transitions. [2020-07-20 16:26:20,222 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1946 transitions. Word has length 93 [2020-07-20 16:26:20,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:20,223 INFO L479 AbstractCegarLoop]: Abstraction has 1500 states and 1946 transitions. [2020-07-20 16:26:20,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:26:20,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1946 transitions. [2020-07-20 16:26:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 16:26:20,225 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:20,225 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:20,440 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:20,441 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:20,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:20,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1597645717, now seen corresponding path program 1 times [2020-07-20 16:26:20,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:20,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992315279] [2020-07-20 16:26:20,442 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:20,572 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:26:20,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:20,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:26:20,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:20,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:20,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:20,602 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992315279] [2020-07-20 16:26:20,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:20,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:26:20,602 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871160271] [2020-07-20 16:26:20,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:26:20,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:20,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:26:20,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:20,604 INFO L87 Difference]: Start difference. First operand 1500 states and 1946 transitions. Second operand 5 states. [2020-07-20 16:26:20,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:20,698 INFO L93 Difference]: Finished difference Result 2826 states and 3754 transitions. [2020-07-20 16:26:20,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:26:20,698 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-07-20 16:26:20,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:20,706 INFO L225 Difference]: With dead ends: 2826 [2020-07-20 16:26:20,707 INFO L226 Difference]: Without dead ends: 1354 [2020-07-20 16:26:20,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:26:20,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2020-07-20 16:26:20,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1354. [2020-07-20 16:26:20,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1354 states. [2020-07-20 16:26:20,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 1720 transitions. [2020-07-20 16:26:20,781 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 1720 transitions. Word has length 93 [2020-07-20 16:26:20,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:20,782 INFO L479 AbstractCegarLoop]: Abstraction has 1354 states and 1720 transitions. [2020-07-20 16:26:20,782 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:26:20,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1720 transitions. [2020-07-20 16:26:20,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-20 16:26:20,784 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:20,784 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:20,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:20,998 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:20,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:20,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1394866514, now seen corresponding path program 1 times [2020-07-20 16:26:20,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:21,000 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1855304126] [2020-07-20 16:26:21,000 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:21,414 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:21,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:21,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 16:26:21,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:21,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:21,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:21,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1855304126] [2020-07-20 16:26:21,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:21,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 16:26:21,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109154688] [2020-07-20 16:26:21,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:21,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:21,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:21,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:21,520 INFO L87 Difference]: Start difference. First operand 1354 states and 1720 transitions. Second operand 10 states. [2020-07-20 16:26:23,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:23,024 INFO L93 Difference]: Finished difference Result 3477 states and 4881 transitions. [2020-07-20 16:26:23,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 16:26:23,025 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 97 [2020-07-20 16:26:23,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:23,046 INFO L225 Difference]: With dead ends: 3477 [2020-07-20 16:26:23,047 INFO L226 Difference]: Without dead ends: 2151 [2020-07-20 16:26:23,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 16:26:23,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2020-07-20 16:26:23,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 1495. [2020-07-20 16:26:23,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1495 states. [2020-07-20 16:26:23,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1840 transitions. [2020-07-20 16:26:23,192 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1840 transitions. Word has length 97 [2020-07-20 16:26:23,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:23,193 INFO L479 AbstractCegarLoop]: Abstraction has 1495 states and 1840 transitions. [2020-07-20 16:26:23,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:23,193 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1840 transitions. [2020-07-20 16:26:23,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-20 16:26:23,198 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:23,198 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:23,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:23,412 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:23,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:23,413 INFO L82 PathProgramCache]: Analyzing trace with hash -556096008, now seen corresponding path program 1 times [2020-07-20 16:26:23,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:23,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [375524353] [2020-07-20 16:26:23,414 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:23,743 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:26:23,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:23,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 832 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 16:26:23,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 16:26:23,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:26:23,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [375524353] [2020-07-20 16:26:23,778 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:26:23,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:26:23,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188650876] [2020-07-20 16:26:23,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:26:23,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:23,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:26:23,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:23,783 INFO L87 Difference]: Start difference. First operand 1495 states and 1840 transitions. Second operand 3 states. [2020-07-20 16:26:23,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:23,874 INFO L93 Difference]: Finished difference Result 2560 states and 3144 transitions. [2020-07-20 16:26:23,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:26:23,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2020-07-20 16:26:23,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:23,881 INFO L225 Difference]: With dead ends: 2560 [2020-07-20 16:26:23,881 INFO L226 Difference]: Without dead ends: 1093 [2020-07-20 16:26:23,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:26:23,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2020-07-20 16:26:23,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1060. [2020-07-20 16:26:23,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1060 states. [2020-07-20 16:26:23,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1268 transitions. [2020-07-20 16:26:23,936 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1268 transitions. Word has length 138 [2020-07-20 16:26:23,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:23,936 INFO L479 AbstractCegarLoop]: Abstraction has 1060 states and 1268 transitions. [2020-07-20 16:26:23,936 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:26:23,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1268 transitions. [2020-07-20 16:26:23,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-20 16:26:23,939 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:26:23,939 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:26:24,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:24,154 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:26:24,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:26:24,154 INFO L82 PathProgramCache]: Analyzing trace with hash 773750625, now seen corresponding path program 1 times [2020-07-20 16:26:24,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:26:24,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934713840] [2020-07-20 16:26:24,155 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:24,653 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:26:24,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:26:24,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:26:24,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:26:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:26:24,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 16:26:25,129 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 16:26:25,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934713840] [2020-07-20 16:26:25,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 16:26:25,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 16:26:25,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860689808] [2020-07-20 16:26:25,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 16:26:25,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:26:25,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 16:26:25,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 16:26:25,131 INFO L87 Difference]: Start difference. First operand 1060 states and 1268 transitions. Second operand 10 states. [2020-07-20 16:26:26,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:26:26,074 INFO L93 Difference]: Finished difference Result 2338 states and 2819 transitions. [2020-07-20 16:26:26,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 16:26:26,075 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 157 [2020-07-20 16:26:26,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:26:26,076 INFO L225 Difference]: With dead ends: 2338 [2020-07-20 16:26:26,076 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:26:26,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 301 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 16:26:26,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:26:26,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:26:26,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:26:26,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:26:26,083 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2020-07-20 16:26:26,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:26:26,084 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:26:26,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 16:26:26,084 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:26:26,084 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:26:26,326 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:26:26,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:26:26,583 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 54 [2020-07-20 16:26:28,390 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2020-07-20 16:26:28,880 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 32 [2020-07-20 16:26:29,131 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2020-07-20 16:26:29,704 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 48 [2020-07-20 16:26:30,052 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2020-07-20 16:26:30,378 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 28 [2020-07-20 16:26:30,575 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-07-20 16:26:30,872 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 28 [2020-07-20 16:26:31,004 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-20 16:26:31,546 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-07-20 16:26:31,693 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2020-07-20 16:26:32,058 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2020-07-20 16:26:32,400 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 30 [2020-07-20 16:26:32,767 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 37 [2020-07-20 16:26:33,267 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 41 [2020-07-20 16:26:33,685 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 34 [2020-07-20 16:26:33,987 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 32 [2020-07-20 16:26:33,991 INFO L268 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-07-20 16:26:33,992 INFO L268 CegarLoopResult]: For program point L412-1(lines 412 416) no Hoare annotation was computed. [2020-07-20 16:26:33,992 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-20 16:26:33,992 INFO L268 CegarLoopResult]: For program point L406-2(lines 406 427) no Hoare annotation was computed. [2020-07-20 16:26:33,992 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 381 436) no Hoare annotation was computed. [2020-07-20 16:26:33,992 INFO L268 CegarLoopResult]: For program point L428(lines 405 429) no Hoare annotation was computed. [2020-07-20 16:26:33,992 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 381 436) no Hoare annotation was computed. [2020-07-20 16:26:33,993 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 381 436) no Hoare annotation was computed. [2020-07-20 16:26:33,993 INFO L268 CegarLoopResult]: For program point L482-1(line 482) no Hoare annotation was computed. [2020-07-20 16:26:33,993 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 437 496) no Hoare annotation was computed. [2020-07-20 16:26:33,993 INFO L268 CegarLoopResult]: For program point L469(lines 469 473) no Hoare annotation was computed. [2020-07-20 16:26:33,993 INFO L268 CegarLoopResult]: For program point L469-1(lines 469 473) no Hoare annotation was computed. [2020-07-20 16:26:33,993 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 16:26:33,993 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 437 496) no Hoare annotation was computed. [2020-07-20 16:26:33,994 INFO L268 CegarLoopResult]: For program point L463-2(lines 463 488) no Hoare annotation was computed. [2020-07-20 16:26:33,994 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 437 496) no Hoare annotation was computed. [2020-07-20 16:26:33,994 INFO L268 CegarLoopResult]: For program point L489(lines 462 490) no Hoare annotation was computed. [2020-07-20 16:26:33,994 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 16:26:33,994 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 873 879) the Hoare annotation is: true [2020-07-20 16:26:33,994 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 873 879) no Hoare annotation was computed. [2020-07-20 16:26:33,995 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 880 888) no Hoare annotation was computed. [2020-07-20 16:26:33,995 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 880 888) the Hoare annotation is: true [2020-07-20 16:26:33,995 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 880 888) no Hoare annotation was computed. [2020-07-20 16:26:33,995 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 698 705) the Hoare annotation is: true [2020-07-20 16:26:33,995 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 698 705) no Hoare annotation was computed. [2020-07-20 16:26:33,995 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 698 705) no Hoare annotation was computed. [2020-07-20 16:26:33,996 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 706 715) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse2 .cse1 (not (= 0 ~systemActive~0)) .cse3 .cse4) (or .cse0 .cse2 .cse1 .cse3 .cse4))) [2020-07-20 16:26:33,996 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 706 715) no Hoare annotation was computed. [2020-07-20 16:26:33,996 INFO L268 CegarLoopResult]: For program point L711(line 711) no Hoare annotation was computed. [2020-07-20 16:26:33,996 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 706 715) no Hoare annotation was computed. [2020-07-20 16:26:33,996 INFO L264 CegarLoopResult]: At program point L731(line 731) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 16:26:33,997 INFO L268 CegarLoopResult]: For program point L729(lines 729 735) no Hoare annotation was computed. [2020-07-20 16:26:33,997 INFO L268 CegarLoopResult]: For program point L728(lines 728 738) no Hoare annotation was computed. [2020-07-20 16:26:33,997 INFO L264 CegarLoopResult]: At program point L726(line 726) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 16:26:33,997 INFO L268 CegarLoopResult]: For program point L726-1(line 726) no Hoare annotation was computed. [2020-07-20 16:26:33,997 INFO L268 CegarLoopResult]: For program point L724(lines 724 741) no Hoare annotation was computed. [2020-07-20 16:26:33,997 INFO L268 CegarLoopResult]: For program point L724-1(lines 716 744) no Hoare annotation was computed. [2020-07-20 16:26:33,997 INFO L271 CegarLoopResult]: At program point L722(line 722) the Hoare annotation is: true [2020-07-20 16:26:33,997 INFO L268 CegarLoopResult]: For program point L722-1(line 722) no Hoare annotation was computed. [2020-07-20 16:26:33,998 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 716 744) the Hoare annotation is: true [2020-07-20 16:26:33,998 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 716 744) no Hoare annotation was computed. [2020-07-20 16:26:33,998 INFO L264 CegarLoopResult]: At program point L834-1(line 834) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:33,998 INFO L268 CegarLoopResult]: For program point L832(lines 832 839) no Hoare annotation was computed. [2020-07-20 16:26:33,998 INFO L268 CegarLoopResult]: For program point L832-1(lines 832 839) no Hoare annotation was computed. [2020-07-20 16:26:33,998 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-20 16:26:33,998 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 822 844) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:33,998 INFO L264 CegarLoopResult]: At program point L829(line 829) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:33,998 INFO L264 CegarLoopResult]: At program point L828(line 828) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:33,999 INFO L264 CegarLoopResult]: At program point L828-1(line 828) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:33,999 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 822 844) no Hoare annotation was computed. [2020-07-20 16:26:33,999 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 822 844) no Hoare annotation was computed. [2020-07-20 16:26:33,999 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:33,999 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 777 800) no Hoare annotation was computed. [2020-07-20 16:26:33,999 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 777 800) no Hoare annotation was computed. [2020-07-20 16:26:33,999 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 777 800) no Hoare annotation was computed. [2020-07-20 16:26:33,999 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-20 16:26:34,000 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-07-20 16:26:34,000 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-07-20 16:26:34,000 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-07-20 16:26:34,000 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-07-20 16:26:34,000 INFO L268 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-07-20 16:26:34,000 INFO L268 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-07-20 16:26:34,000 INFO L268 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-07-20 16:26:34,000 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-07-20 16:26:34,000 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-07-20 16:26:34,000 INFO L268 CegarLoopResult]: For program point L785(line 785) no Hoare annotation was computed. [2020-07-20 16:26:34,000 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-07-20 16:26:34,000 INFO L268 CegarLoopResult]: For program point L783(line 783) no Hoare annotation was computed. [2020-07-20 16:26:34,000 INFO L268 CegarLoopResult]: For program point L782(line 782) no Hoare annotation was computed. [2020-07-20 16:26:34,001 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 233 247) no Hoare annotation was computed. [2020-07-20 16:26:34,001 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 16:26:34,001 INFO L268 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-07-20 16:26:34,001 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 233 247) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 16:26:34,001 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 233 247) no Hoare annotation was computed. [2020-07-20 16:26:34,001 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-20 16:26:34,001 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 169 177) the Hoare annotation is: true [2020-07-20 16:26:34,001 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-20 16:26:34,001 INFO L268 CegarLoopResult]: For program point L185(lines 185 193) no Hoare annotation was computed. [2020-07-20 16:26:34,001 INFO L268 CegarLoopResult]: For program point L185-2(lines 185 193) no Hoare annotation was computed. [2020-07-20 16:26:34,001 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-07-20 16:26:34,002 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-07-20 16:26:34,002 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 178 213) no Hoare annotation was computed. [2020-07-20 16:26:34,002 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 178 213) no Hoare annotation was computed. [2020-07-20 16:26:34,002 INFO L268 CegarLoopResult]: For program point L197(lines 197 205) no Hoare annotation was computed. [2020-07-20 16:26:34,002 INFO L268 CegarLoopResult]: For program point L197-2(lines 197 205) no Hoare annotation was computed. [2020-07-20 16:26:34,002 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 178 213) no Hoare annotation was computed. [2020-07-20 16:26:34,002 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 866 872) no Hoare annotation was computed. [2020-07-20 16:26:34,002 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 866 872) the Hoare annotation is: true [2020-07-20 16:26:34,002 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 335 380) no Hoare annotation was computed. [2020-07-20 16:26:34,002 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 335 380) no Hoare annotation was computed. [2020-07-20 16:26:34,002 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 335 380) no Hoare annotation was computed. [2020-07-20 16:26:34,003 INFO L268 CegarLoopResult]: For program point L668(lines 668 675) no Hoare annotation was computed. [2020-07-20 16:26:34,003 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 648 693) no Hoare annotation was computed. [2020-07-20 16:26:34,003 INFO L268 CegarLoopResult]: For program point L662(lines 662 682) no Hoare annotation was computed. [2020-07-20 16:26:34,003 INFO L268 CegarLoopResult]: For program point L662-1(lines 662 682) no Hoare annotation was computed. [2020-07-20 16:26:34,003 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 648 693) no Hoare annotation was computed. [2020-07-20 16:26:34,003 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 648 693) no Hoare annotation was computed. [2020-07-20 16:26:34,003 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 808 818) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:34,003 INFO L264 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:34,003 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 808 818) no Hoare annotation was computed. [2020-07-20 16:26:34,003 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 808 818) no Hoare annotation was computed. [2020-07-20 16:26:34,003 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 158 168) the Hoare annotation is: true [2020-07-20 16:26:34,003 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 158 168) no Hoare annotation was computed. [2020-07-20 16:26:34,004 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 158 168) no Hoare annotation was computed. [2020-07-20 16:26:34,004 INFO L271 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: true [2020-07-20 16:26:34,004 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-07-20 16:26:34,004 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 150 157) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 16:26:34,004 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 150 157) no Hoare annotation was computed. [2020-07-20 16:26:34,004 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 150 157) no Hoare annotation was computed. [2020-07-20 16:26:34,004 INFO L268 CegarLoopResult]: For program point L973(lines 973 979) no Hoare annotation was computed. [2020-07-20 16:26:34,004 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 969 982) no Hoare annotation was computed. [2020-07-20 16:26:34,004 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 969 982) the Hoare annotation is: true [2020-07-20 16:26:34,004 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 969 982) no Hoare annotation was computed. [2020-07-20 16:26:34,004 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:34,004 INFO L268 CegarLoopResult]: For program point L125(lines 125 133) no Hoare annotation was computed. [2020-07-20 16:26:34,005 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:34,005 INFO L268 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-07-20 16:26:34,005 INFO L268 CegarLoopResult]: For program point L121(lines 121 138) no Hoare annotation was computed. [2020-07-20 16:26:34,005 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 117 141) no Hoare annotation was computed. [2020-07-20 16:26:34,005 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 117 141) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:34,005 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:34,005 INFO L268 CegarLoopResult]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2020-07-20 16:26:34,005 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:34,005 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2020-07-20 16:26:34,005 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2020-07-20 16:26:34,005 INFO L264 CegarLoopResult]: At program point L320(lines 269 321) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:34,006 INFO L264 CegarLoopResult]: At program point testENTRY(lines 260 327) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:26:34,006 INFO L268 CegarLoopResult]: For program point testFINAL(lines 260 327) no Hoare annotation was computed. [2020-07-20 16:26:34,006 INFO L264 CegarLoopResult]: At program point L310(line 310) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:26:34,006 INFO L268 CegarLoopResult]: For program point L308(lines 308 314) no Hoare annotation was computed. [2020-07-20 16:26:34,006 INFO L264 CegarLoopResult]: At program point L308-1(lines 300 315) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 16:26:34,006 INFO L268 CegarLoopResult]: For program point L271(lines 270 319) no Hoare annotation was computed. [2020-07-20 16:26:34,006 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:26:34,006 INFO L268 CegarLoopResult]: For program point L300(lines 300 315) no Hoare annotation was computed. [2020-07-20 16:26:34,006 INFO L264 CegarLoopResult]: At program point L292(line 292) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 16:26:34,006 INFO L268 CegarLoopResult]: For program point L290(lines 290 296) no Hoare annotation was computed. [2020-07-20 16:26:34,007 INFO L268 CegarLoopResult]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2020-07-20 16:26:34,007 INFO L264 CegarLoopResult]: At program point L317(lines 270 319) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:34,007 INFO L264 CegarLoopResult]: At program point L282(line 282) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 16:26:34,007 INFO L268 CegarLoopResult]: For program point L280(lines 280 286) no Hoare annotation was computed. [2020-07-20 16:26:34,007 INFO L268 CegarLoopResult]: For program point L280-1(lines 280 286) no Hoare annotation was computed. [2020-07-20 16:26:34,007 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-07-20 16:26:34,007 INFO L268 CegarLoopResult]: For program point testEXIT(lines 260 327) no Hoare annotation was computed. [2020-07-20 16:26:34,007 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 602 647) no Hoare annotation was computed. [2020-07-20 16:26:34,007 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 602 647) no Hoare annotation was computed. [2020-07-20 16:26:34,007 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 602 647) no Hoare annotation was computed. [2020-07-20 16:26:34,007 INFO L268 CegarLoopResult]: For program point L622(lines 622 629) no Hoare annotation was computed. [2020-07-20 16:26:34,007 INFO L268 CegarLoopResult]: For program point L616(lines 616 636) no Hoare annotation was computed. [2020-07-20 16:26:34,007 INFO L268 CegarLoopResult]: For program point L616-1(lines 616 636) no Hoare annotation was computed. [2020-07-20 16:26:34,007 INFO L268 CegarLoopResult]: For program point L945(lines 945 953) no Hoare annotation was computed. [2020-07-20 16:26:34,008 INFO L268 CegarLoopResult]: For program point L945-2(lines 945 953) no Hoare annotation was computed. [2020-07-20 16:26:34,008 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 937 959) no Hoare annotation was computed. [2020-07-20 16:26:34,008 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 937 959) no Hoare annotation was computed. [2020-07-20 16:26:34,008 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 937 959) no Hoare annotation was computed. [2020-07-20 16:26:34,008 INFO L268 CegarLoopResult]: For program point L545(lines 545 586) no Hoare annotation was computed. [2020-07-20 16:26:34,008 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 499 601) no Hoare annotation was computed. [2020-07-20 16:26:34,008 INFO L268 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-07-20 16:26:34,008 INFO L268 CegarLoopResult]: For program point L564-1(line 564) no Hoare annotation was computed. [2020-07-20 16:26:34,008 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-07-20 16:26:34,008 INFO L268 CegarLoopResult]: For program point L587(lines 587 598) no Hoare annotation was computed. [2020-07-20 16:26:34,008 INFO L268 CegarLoopResult]: For program point L550(lines 550 554) no Hoare annotation was computed. [2020-07-20 16:26:34,008 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 499 601) no Hoare annotation was computed. [2020-07-20 16:26:34,008 INFO L268 CegarLoopResult]: For program point L548-2(lines 548 568) no Hoare annotation was computed. [2020-07-20 16:26:34,008 INFO L268 CegarLoopResult]: For program point L569(lines 547 570) no Hoare annotation was computed. [2020-07-20 16:26:34,008 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 499 601) no Hoare annotation was computed. [2020-07-20 16:26:34,009 INFO L268 CegarLoopResult]: For program point L528(lines 528 544) no Hoare annotation was computed. [2020-07-20 16:26:34,009 INFO L268 CegarLoopResult]: For program point L588(lines 588 595) no Hoare annotation was computed. [2020-07-20 16:26:34,009 INFO L268 CegarLoopResult]: For program point L549(lines 548 568) no Hoare annotation was computed. [2020-07-20 16:26:34,009 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 16:26:34,009 INFO L268 CegarLoopResult]: For program point L580-1(line 580) no Hoare annotation was computed. [2020-07-20 16:26:34,009 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 856 865) no Hoare annotation was computed. [2020-07-20 16:26:34,009 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 856 865) no Hoare annotation was computed. [2020-07-20 16:26:34,009 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 856 865) no Hoare annotation was computed. [2020-07-20 16:26:34,009 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:34,009 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 16:26:34,009 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:34,009 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 142 149) no Hoare annotation was computed. [2020-07-20 16:26:34,010 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 142 149) no Hoare annotation was computed. [2020-07-20 16:26:34,010 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 142 149) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 16:26:34,010 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 214 232) no Hoare annotation was computed. [2020-07-20 16:26:34,010 INFO L268 CegarLoopResult]: For program point L223(lines 223 227) no Hoare annotation was computed. [2020-07-20 16:26:34,010 INFO L271 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: true [2020-07-20 16:26:34,010 INFO L268 CegarLoopResult]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2020-07-20 16:26:34,010 INFO L268 CegarLoopResult]: For program point L221-1(line 221) no Hoare annotation was computed. [2020-07-20 16:26:34,010 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 214 232) the Hoare annotation is: true [2020-07-20 16:26:34,010 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 214 232) no Hoare annotation was computed. [2020-07-20 16:26:34,010 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 960 968) the Hoare annotation is: true [2020-07-20 16:26:34,010 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 960 968) no Hoare annotation was computed. [2020-07-20 16:26:34,010 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 960 968) no Hoare annotation was computed. [2020-07-20 16:26:34,010 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 916 927) the Hoare annotation is: true [2020-07-20 16:26:34,010 INFO L268 CegarLoopResult]: For program point L920-1(lines 916 927) no Hoare annotation was computed. [2020-07-20 16:26:34,011 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 916 927) no Hoare annotation was computed. [2020-07-20 16:26:34,011 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:34,011 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:26:34,011 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:34,011 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 928 936) the Hoare annotation is: true [2020-07-20 16:26:34,011 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 928 936) no Hoare annotation was computed. [2020-07-20 16:26:34,011 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 928 936) no Hoare annotation was computed. [2020-07-20 16:26:34,011 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (let ((.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3 .cse4) .cse5) (or (not (= 0 ~systemActive~0)) .cse6 .cse5) (or (and .cse2 (<= ~waterLevel~0 2) .cse4 .cse3) .cse0 .cse1 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse5))) [2020-07-20 16:26:34,011 INFO L268 CegarLoopResult]: For program point L63(lines 59 81) no Hoare annotation was computed. [2020-07-20 16:26:34,011 INFO L268 CegarLoopResult]: For program point L61(lines 59 81) no Hoare annotation was computed. [2020-07-20 16:26:34,012 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse10 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse9 (and .cse8 .cse14 .cse2)) (.cse11 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse7 .cse3 .cse4 (and .cse8 .cse1 .cse2)) (or .cse9 .cse10 .cse11 .cse5) (or .cse3 .cse12 .cse11 .cse13 .cse5) (or .cse3 (and .cse0 .cse14 .cse2) .cse11 .cse5) (or .cse6 .cse3 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse5) (or .cse12 .cse10 .cse11 .cse13 .cse5) (or .cse7 .cse3 .cse9 .cse11)))) [2020-07-20 16:26:34,012 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2020-07-20 16:26:34,012 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or .cse2 (and .cse5 (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 (and .cse4 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse6) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 16:26:34,012 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2020-07-20 16:26:34,012 INFO L264 CegarLoopResult]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= 0 ~pumpRunning~0))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse10 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse12 (and .cse11 .cse8 (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse13 (not (= 0 |old(~pumpRunning~0)|)))) (and (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 1))) (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 (and .cse3 .cse8 .cse9 .cse4))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse10 .cse0 .cse1 (and .cse2 .cse11 .cse5) (and .cse11 .cse8 .cse9)) (or .cse12 (not (= 0 ~systemActive~0)) .cse13 .cse6) (let ((.cse14 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse14 .cse11 .cse8) .cse13 (and .cse14 .cse11 .cse5) .cse6 .cse7)) (or .cse10 .cse0 .cse12 .cse13)))) [2020-07-20 16:26:34,012 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-07-20 16:26:34,012 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 747 776) no Hoare annotation was computed. [2020-07-20 16:26:34,012 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 747 776) the Hoare annotation is: true [2020-07-20 16:26:34,012 INFO L268 CegarLoopResult]: For program point L761(lines 761 765) no Hoare annotation was computed. [2020-07-20 16:26:34,012 INFO L271 CegarLoopResult]: At program point L761-1(lines 761 765) the Hoare annotation is: true [2020-07-20 16:26:34,013 INFO L268 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-07-20 16:26:34,013 INFO L271 CegarLoopResult]: At program point L757-2(lines 757 771) the Hoare annotation is: true [2020-07-20 16:26:34,013 INFO L271 CegarLoopResult]: At program point L753(line 753) the Hoare annotation is: true [2020-07-20 16:26:34,013 INFO L268 CegarLoopResult]: For program point L753-1(line 753) no Hoare annotation was computed. [2020-07-20 16:26:34,013 INFO L271 CegarLoopResult]: At program point L772(lines 747 776) the Hoare annotation is: true [2020-07-20 16:26:34,013 INFO L268 CegarLoopResult]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2020-07-20 16:26:34,013 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 892 903) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 16:26:34,013 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 892 903) no Hoare annotation was computed. [2020-07-20 16:26:34,014 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 801 807) no Hoare annotation was computed. [2020-07-20 16:26:34,014 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 801 807) the Hoare annotation is: true [2020-07-20 16:26:34,014 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:26:34,014 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:26:34,014 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:26:34,014 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:26:34,014 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 248 255) no Hoare annotation was computed. [2020-07-20 16:26:34,014 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 248 255) the Hoare annotation is: true [2020-07-20 16:26:34,014 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 248 255) no Hoare annotation was computed. [2020-07-20 16:26:34,014 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:34,014 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:26:34,014 INFO L268 CegarLoopResult]: For program point L97-1(line 97) no Hoare annotation was computed. [2020-07-20 16:26:34,015 INFO L268 CegarLoopResult]: For program point L95(lines 95 112) no Hoare annotation was computed. [2020-07-20 16:26:34,015 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2020-07-20 16:26:34,015 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:34,015 INFO L268 CegarLoopResult]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2020-07-20 16:26:34,015 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:34,015 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 16:26:34,015 INFO L268 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-07-20 16:26:34,015 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 904 915) no Hoare annotation was computed. [2020-07-20 16:26:34,015 INFO L268 CegarLoopResult]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2020-07-20 16:26:34,015 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 904 915) the Hoare annotation is: (let ((.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (and (<= ~waterLevel~0 2) .cse7))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2) (or .cse3 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5 .cse2) (or .cse4 .cse0 .cse1 .cse6) (or .cse4 .cse0 .cse5 (not (<= 2 |old(~waterLevel~0)|)) .cse6)))) [2020-07-20 16:26:34,015 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 846 853) no Hoare annotation was computed. [2020-07-20 16:26:34,016 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 850) no Hoare annotation was computed. [2020-07-20 16:26:34,016 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 846 853) the Hoare annotation is: true [2020-07-20 16:26:34,016 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 846 853) no Hoare annotation was computed. [2020-07-20 16:26:34,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:26:34 BoogieIcfgContainer [2020-07-20 16:26:34,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:26:34,046 INFO L168 Benchmark]: Toolchain (without parser) took 23198.29 ms. Allocated memory was 142.1 MB in the beginning and 447.2 MB in the end (delta: 305.1 MB). Free memory was 106.0 MB in the beginning and 152.6 MB in the end (delta: -46.5 MB). Peak memory consumption was 293.0 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:34,047 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 125.1 MB in the beginning and 124.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:26:34,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.04 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 105.6 MB in the beginning and 173.3 MB in the end (delta: -67.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:34,048 INFO L168 Benchmark]: Boogie Preprocessor took 88.49 ms. Allocated memory is still 203.9 MB. Free memory was 173.3 MB in the beginning and 169.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:34,049 INFO L168 Benchmark]: RCFGBuilder took 1247.80 ms. Allocated memory was 203.9 MB in the beginning and 232.3 MB in the end (delta: 28.3 MB). Free memory was 169.4 MB in the beginning and 186.1 MB in the end (delta: -16.7 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:34,051 INFO L168 Benchmark]: TraceAbstraction took 21180.27 ms. Allocated memory was 232.3 MB in the beginning and 447.2 MB in the end (delta: 215.0 MB). Free memory was 186.1 MB in the beginning and 152.6 MB in the end (delta: 33.5 MB). Peak memory consumption was 282.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:26:34,054 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 125.1 MB in the beginning and 124.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 672.04 ms. Allocated memory was 142.1 MB in the beginning and 203.9 MB in the end (delta: 61.9 MB). Free memory was 105.6 MB in the beginning and 173.3 MB in the end (delta: -67.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.49 ms. Allocated memory is still 203.9 MB. Free memory was 173.3 MB in the beginning and 169.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1247.80 ms. Allocated memory was 203.9 MB in the beginning and 232.3 MB in the end (delta: 28.3 MB). Free memory was 169.4 MB in the beginning and 186.1 MB in the end (delta: -16.7 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21180.27 ms. Allocated memory was 232.3 MB in the beginning and 447.2 MB in the end (delta: 215.0 MB). Free memory was 186.1 MB in the beginning and 152.6 MB in the end (delta: 33.5 MB). Peak memory consumption was 282.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 850]: 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: 269]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.3s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2348 SDtfs, 1600 SDslu, 4128 SDs, 0 SdLazy, 2366 SolverSat, 781 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1286 GetRequests, 1216 SyntacticMatches, 7 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1500occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 838 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 4138 PreInvPairs, 4327 NumberOfFragments, 2144 HoareAnnotationTreeSize, 4138 FomulaSimplifications, 10254 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 66 FomulaSimplificationsInter, 17725 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1115 NumberOfCodeBlocks, 872 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1259 ConstructedInterpolants, 0 QuantifiedInterpolants, 243155 SizeOfPredicates, 31 NumberOfNonLiveVariables, 8336 ConjunctsInSsa, 103 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 128/150 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...