/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -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 0.1.25-79ed534 [2020-07-19 22:56:07,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 22:56:07,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 22:56:07,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 22:56:07,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 22:56:07,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 22:56:07,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 22:56:07,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 22:56:07,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 22:56:07,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 22:56:07,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 22:56:07,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 22:56:07,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 22:56:07,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 22:56:07,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 22:56:07,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 22:56:07,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 22:56:07,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 22:56:07,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 22:56:07,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 22:56:07,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 22:56:07,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 22:56:07,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 22:56:07,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 22:56:07,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 22:56:07,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 22:56:07,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 22:56:07,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 22:56:07,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 22:56:07,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 22:56:07,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 22:56:07,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 22:56:07,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 22:56:07,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 22:56:07,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 22:56:07,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 22:56:07,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 22:56:07,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 22:56:07,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 22:56:07,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 22:56:07,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 22:56:07,718 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 [2020-07-19 22:56:07,752 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 22:56:07,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 22:56:07,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 22:56:07,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 22:56:07,757 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 22:56:07,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 22:56:07,758 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 22:56:07,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 22:56:07,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 22:56:07,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 22:56:07,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 22:56:07,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 22:56:07,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 22:56:07,760 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 22:56:07,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 22:56:07,760 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 22:56:07,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 22:56:07,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 22:56:07,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 22:56:07,761 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 22:56:07,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 22:56:07,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 22:56:07,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 22:56:07,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 22:56:07,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 22:56:07,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 22:56:07,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 22:56:07,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 22:56:07,764 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 22:56:07,764 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 22:56:08,056 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 22:56:08,070 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 22:56:08,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 22:56:08,075 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 22:56:08,075 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 22:56:08,076 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-07-19 22:56:08,151 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a2b4d405/640d393c6c4b44c394d2c6f779804775/FLAG7dabafdc9 [2020-07-19 22:56:08,674 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 22:56:08,674 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2020-07-19 22:56:08,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a2b4d405/640d393c6c4b44c394d2c6f779804775/FLAG7dabafdc9 [2020-07-19 22:56:08,962 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a2b4d405/640d393c6c4b44c394d2c6f779804775 [2020-07-19 22:56:08,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 22:56:08,978 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 22:56:08,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 22:56:08,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 22:56:08,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 22:56:08,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:56:08" (1/1) ... [2020-07-19 22:56:08,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9a5fb6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:08, skipping insertion in model container [2020-07-19 22:56:08,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 10:56:08" (1/1) ... [2020-07-19 22:56:09,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 22:56:09,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 22:56:09,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:56:09,611 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 22:56:09,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 22:56:09,739 INFO L208 MainTranslator]: Completed translation [2020-07-19 22:56:09,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:09 WrapperNode [2020-07-19 22:56:09,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 22:56:09,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 22:56:09,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 22:56:09,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 22:56:09,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:09" (1/1) ... [2020-07-19 22:56:09,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:09" (1/1) ... [2020-07-19 22:56:09,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:09" (1/1) ... [2020-07-19 22:56:09,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:09" (1/1) ... [2020-07-19 22:56:09,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:09" (1/1) ... [2020-07-19 22:56:09,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:09" (1/1) ... [2020-07-19 22:56:09,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:09" (1/1) ... [2020-07-19 22:56:09,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 22:56:09,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 22:56:09,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 22:56:09,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 22:56:09,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:09" (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 [2020-07-19 22:56:09,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 22:56:09,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 22:56:09,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 22:56:09,935 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 22:56:09,936 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 22:56:09,936 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:56:09,936 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 22:56:09,937 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 22:56:09,937 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 22:56:09,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 22:56:09,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 22:56:09,938 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 22:56:09,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 22:56:09,939 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 22:56:09,939 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-19 22:56:09,940 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 22:56:09,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 22:56:09,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 22:56:09,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 22:56:09,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 22:56:09,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 22:56:09,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 22:56:09,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:56:09,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:56:09,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:56:09,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 22:56:09,943 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 22:56:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 22:56:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 22:56:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 22:56:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 22:56:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 22:56:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 22:56:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 22:56:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 22:56:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 22:56:09,946 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 22:56:09,946 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 22:56:09,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 22:56:09,946 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 22:56:09,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 22:56:09,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 22:56:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 22:56:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 22:56:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 22:56:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 22:56:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 22:56:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 22:56:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 22:56:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 22:56:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 22:56:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 22:56:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 22:56:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 22:56:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 22:56:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-19 22:56:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-19 22:56:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-19 22:56:09,949 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 22:56:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 22:56:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 22:56:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-19 22:56:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 22:56:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 22:56:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 22:56:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 22:56:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 22:56:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 22:56:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 22:56:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 22:56:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 22:56:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 22:56:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 22:56:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 22:56:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 22:56:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 22:56:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 22:56:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 22:56:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 22:56:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 22:56:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 22:56:09,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 22:56:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 22:56:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 22:56:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 22:56:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 22:56:09,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-19 22:56:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 22:56:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 22:56:09,957 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 22:56:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 22:56:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 22:56:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 22:56:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 22:56:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 22:56:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 22:56:09,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 22:56:09,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 22:56:11,059 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 22:56:11,059 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 22:56:11,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:56:11 BoogieIcfgContainer [2020-07-19 22:56:11,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 22:56:11,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 22:56:11,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 22:56:11,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 22:56:11,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 10:56:08" (1/3) ... [2020-07-19 22:56:11,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b60d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:56:11, skipping insertion in model container [2020-07-19 22:56:11,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 10:56:09" (2/3) ... [2020-07-19 22:56:11,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20b60d79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 10:56:11, skipping insertion in model container [2020-07-19 22:56:11,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 10:56:11" (3/3) ... [2020-07-19 22:56:11,073 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2020-07-19 22:56:11,084 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 22:56:11,092 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 22:56:11,105 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 22:56:11,126 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 22:56:11,127 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 22:56:11,127 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 22:56:11,127 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 22:56:11,127 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 22:56:11,127 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 22:56:11,127 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 22:56:11,127 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 22:56:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-07-19 22:56:11,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-19 22:56:11,161 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:11,162 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] [2020-07-19 22:56:11,162 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:11,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:11,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1231866733, now seen corresponding path program 1 times [2020-07-19 22:56:11,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:11,179 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32684287] [2020-07-19 22:56:11,179 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2bc198fd [2020-07-19 22:56:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,813 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:11,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:56:11,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32684287] [2020-07-19 22:56:11,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:11,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 22:56:11,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496680443] [2020-07-19 22:56:11,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 22:56:11,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:11,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 22:56:11,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:56:11,961 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 4 states. [2020-07-19 22:56:13,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:13,186 INFO L93 Difference]: Finished difference Result 324 states and 416 transitions. [2020-07-19 22:56:13,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-19 22:56:13,188 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-07-19 22:56:13,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:13,203 INFO L225 Difference]: With dead ends: 324 [2020-07-19 22:56:13,204 INFO L226 Difference]: Without dead ends: 179 [2020-07-19 22:56:13,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-19 22:56:13,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-07-19 22:56:13,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 146. [2020-07-19 22:56:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-07-19 22:56:13,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2020-07-19 22:56:13,305 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 59 [2020-07-19 22:56:13,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:13,306 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2020-07-19 22:56:13,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 22:56:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2020-07-19 22:56:13,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-19 22:56:13,313 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:13,313 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] [2020-07-19 22:56:13,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 22:56:13,314 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:13,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:13,318 INFO L82 PathProgramCache]: Analyzing trace with hash 735941424, now seen corresponding path program 1 times [2020-07-19 22:56:13,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:13,318 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500595475] [2020-07-19 22:56:13,318 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2bc198fd [2020-07-19 22:56:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:13,690 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:13,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:56:13,753 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500595475] [2020-07-19 22:56:13,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:13,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-19 22:56:13,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245502897] [2020-07-19 22:56:13,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 22:56:13,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:13,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 22:56:13,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 22:56:13,757 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 5 states. [2020-07-19 22:56:14,222 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:15,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:15,166 INFO L93 Difference]: Finished difference Result 259 states and 316 transitions. [2020-07-19 22:56:15,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 22:56:15,167 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-07-19 22:56:15,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:15,170 INFO L225 Difference]: With dead ends: 259 [2020-07-19 22:56:15,171 INFO L226 Difference]: Without dead ends: 169 [2020-07-19 22:56:15,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-19 22:56:15,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2020-07-19 22:56:15,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 137. [2020-07-19 22:56:15,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-07-19 22:56:15,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2020-07-19 22:56:15,233 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 60 [2020-07-19 22:56:15,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:15,234 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2020-07-19 22:56:15,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 22:56:15,234 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2020-07-19 22:56:15,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-19 22:56:15,236 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:15,236 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] [2020-07-19 22:56:15,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 22:56:15,237 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:15,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:15,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1019781836, now seen corresponding path program 1 times [2020-07-19 22:56:15,237 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:15,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295871225] [2020-07-19 22:56:15,238 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2bc198fd [2020-07-19 22:56:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:15,547 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:15,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:56:15,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295871225] [2020-07-19 22:56:15,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:15,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:56:15,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317850904] [2020-07-19 22:56:15,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:56:15,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:15,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:56:15,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:56:15,634 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 9 states. [2020-07-19 22:56:16,055 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:16,376 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:16,620 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:16,845 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:17,734 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:19,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:19,523 INFO L93 Difference]: Finished difference Result 460 states and 568 transitions. [2020-07-19 22:56:19,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 22:56:19,524 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-07-19 22:56:19,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:19,528 INFO L225 Difference]: With dead ends: 460 [2020-07-19 22:56:19,528 INFO L226 Difference]: Without dead ends: 351 [2020-07-19 22:56:19,553 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-07-19 22:56:19,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2020-07-19 22:56:19,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 290. [2020-07-19 22:56:19,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-07-19 22:56:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 350 transitions. [2020-07-19 22:56:19,623 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 350 transitions. Word has length 65 [2020-07-19 22:56:19,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:19,623 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 350 transitions. [2020-07-19 22:56:19,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:56:19,624 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 350 transitions. [2020-07-19 22:56:19,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-19 22:56:19,626 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:19,626 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] [2020-07-19 22:56:19,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 22:56:19,627 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:19,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:19,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1071873071, now seen corresponding path program 1 times [2020-07-19 22:56:19,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:19,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127615035] [2020-07-19 22:56:19,628 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2bc198fd [2020-07-19 22:56:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:19,908 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:19,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:20,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 22:56:20,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127615035] [2020-07-19 22:56:20,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:20,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:56:20,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449084273] [2020-07-19 22:56:20,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:56:20,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:20,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:56:20,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:56:20,013 INFO L87 Difference]: Start difference. First operand 290 states and 350 transitions. Second operand 9 states. [2020-07-19 22:56:20,485 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:21,214 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:22,020 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:22,364 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:22,618 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:22,872 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:23,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:23,659 INFO L93 Difference]: Finished difference Result 747 states and 974 transitions. [2020-07-19 22:56:23,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 22:56:23,662 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-07-19 22:56:23,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:23,668 INFO L225 Difference]: With dead ends: 747 [2020-07-19 22:56:23,668 INFO L226 Difference]: Without dead ends: 485 [2020-07-19 22:56:23,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 22:56:23,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-07-19 22:56:23,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 417. [2020-07-19 22:56:23,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-07-19 22:56:23,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 501 transitions. [2020-07-19 22:56:23,799 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 501 transitions. Word has length 70 [2020-07-19 22:56:23,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:23,800 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 501 transitions. [2020-07-19 22:56:23,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:56:23,800 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 501 transitions. [2020-07-19 22:56:23,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-19 22:56:23,802 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:23,803 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] [2020-07-19 22:56:23,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 22:56:23,803 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:23,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:23,804 INFO L82 PathProgramCache]: Analyzing trace with hash -573764694, now seen corresponding path program 1 times [2020-07-19 22:56:23,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:23,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181064834] [2020-07-19 22:56:23,804 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2bc198fd [2020-07-19 22:56:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:24,073 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:56:24,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181064834] [2020-07-19 22:56:24,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:24,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:56:24,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285665647] [2020-07-19 22:56:24,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:56:24,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:24,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:56:24,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:56:24,256 INFO L87 Difference]: Start difference. First operand 417 states and 501 transitions. Second operand 9 states. [2020-07-19 22:56:24,753 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:25,864 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:26,117 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:56:26,371 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:26,647 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:27,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:27,899 INFO L93 Difference]: Finished difference Result 1260 states and 1685 transitions. [2020-07-19 22:56:27,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 22:56:27,899 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-19 22:56:27,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:27,905 INFO L225 Difference]: With dead ends: 1260 [2020-07-19 22:56:27,906 INFO L226 Difference]: Without dead ends: 871 [2020-07-19 22:56:27,908 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:56:27,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2020-07-19 22:56:28,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 743. [2020-07-19 22:56:28,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2020-07-19 22:56:28,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 897 transitions. [2020-07-19 22:56:28,060 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 897 transitions. Word has length 93 [2020-07-19 22:56:28,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:28,061 INFO L479 AbstractCegarLoop]: Abstraction has 743 states and 897 transitions. [2020-07-19 22:56:28,061 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:56:28,061 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 897 transitions. [2020-07-19 22:56:28,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-19 22:56:28,071 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:28,071 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] [2020-07-19 22:56:28,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 22:56:28,072 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:28,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:28,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1995721705, now seen corresponding path program 1 times [2020-07-19 22:56:28,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:28,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226234754] [2020-07-19 22:56:28,076 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2bc198fd [2020-07-19 22:56:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:28,363 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:28,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:56:28,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226234754] [2020-07-19 22:56:28,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:28,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 22:56:28,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228939094] [2020-07-19 22:56:28,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 22:56:28,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:28,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 22:56:28,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 22:56:28,506 INFO L87 Difference]: Start difference. First operand 743 states and 897 transitions. Second operand 9 states. [2020-07-19 22:56:29,634 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:29,889 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:56:30,153 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:30,390 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:31,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:31,212 INFO L93 Difference]: Finished difference Result 1585 states and 2019 transitions. [2020-07-19 22:56:31,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 22:56:31,213 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2020-07-19 22:56:31,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:31,219 INFO L225 Difference]: With dead ends: 1585 [2020-07-19 22:56:31,220 INFO L226 Difference]: Without dead ends: 870 [2020-07-19 22:56:31,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 22:56:31,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2020-07-19 22:56:31,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 763. [2020-07-19 22:56:31,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2020-07-19 22:56:31,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 917 transitions. [2020-07-19 22:56:31,370 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 917 transitions. Word has length 93 [2020-07-19 22:56:31,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:31,370 INFO L479 AbstractCegarLoop]: Abstraction has 763 states and 917 transitions. [2020-07-19 22:56:31,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 22:56:31,371 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 917 transitions. [2020-07-19 22:56:31,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-19 22:56:31,373 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:31,373 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] [2020-07-19 22:56:31,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 22:56:31,374 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:31,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:31,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1597645717, now seen corresponding path program 1 times [2020-07-19 22:56:31,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:31,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441315514] [2020-07-19 22:56:31,375 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2bc198fd [2020-07-19 22:56:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:31,644 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:31,775 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:56:31,776 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441315514] [2020-07-19 22:56:31,776 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:31,776 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 22:56:31,776 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760186970] [2020-07-19 22:56:31,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 22:56:31,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:31,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 22:56:31,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 22:56:31,778 INFO L87 Difference]: Start difference. First operand 763 states and 917 transitions. Second operand 11 states. [2020-07-19 22:56:32,335 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:32,601 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:32,843 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:33,652 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:33,905 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:34,139 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:35,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:35,133 INFO L93 Difference]: Finished difference Result 1442 states and 1826 transitions. [2020-07-19 22:56:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 22:56:35,134 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 93 [2020-07-19 22:56:35,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:35,139 INFO L225 Difference]: With dead ends: 1442 [2020-07-19 22:56:35,139 INFO L226 Difference]: Without dead ends: 707 [2020-07-19 22:56:35,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 22:56:35,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2020-07-19 22:56:35,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 630. [2020-07-19 22:56:35,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-07-19 22:56:35,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 739 transitions. [2020-07-19 22:56:35,258 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 739 transitions. Word has length 93 [2020-07-19 22:56:35,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:35,258 INFO L479 AbstractCegarLoop]: Abstraction has 630 states and 739 transitions. [2020-07-19 22:56:35,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 22:56:35,258 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 739 transitions. [2020-07-19 22:56:35,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-19 22:56:35,260 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:35,261 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] [2020-07-19 22:56:35,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 22:56:35,261 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:35,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:35,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1394866514, now seen corresponding path program 1 times [2020-07-19 22:56:35,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:35,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998336331] [2020-07-19 22:56:35,262 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2bc198fd [2020-07-19 22:56:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,654 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:35,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 22:56:35,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998336331] [2020-07-19 22:56:35,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 22:56:35,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-19 22:56:35,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402391451] [2020-07-19 22:56:35,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 22:56:35,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:35,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 22:56:35,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-07-19 22:56:35,850 INFO L87 Difference]: Start difference. First operand 630 states and 739 transitions. Second operand 12 states. [2020-07-19 22:56:36,401 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:37,062 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:37,800 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:38,111 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:38,365 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:56:38,650 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:38,949 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:40,921 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:41,266 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:41,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:41,690 INFO L93 Difference]: Finished difference Result 1853 states and 2361 transitions. [2020-07-19 22:56:41,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 22:56:41,691 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 97 [2020-07-19 22:56:41,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:41,700 INFO L225 Difference]: With dead ends: 1853 [2020-07-19 22:56:41,701 INFO L226 Difference]: Without dead ends: 1437 [2020-07-19 22:56:41,703 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-07-19 22:56:41,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2020-07-19 22:56:41,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1299. [2020-07-19 22:56:41,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1299 states. [2020-07-19 22:56:41,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1525 transitions. [2020-07-19 22:56:42,000 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1525 transitions. Word has length 97 [2020-07-19 22:56:42,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:42,003 INFO L479 AbstractCegarLoop]: Abstraction has 1299 states and 1525 transitions. [2020-07-19 22:56:42,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 22:56:42,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1525 transitions. [2020-07-19 22:56:42,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-19 22:56:42,012 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:42,013 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] [2020-07-19 22:56:42,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 22:56:42,014 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:42,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:42,014 INFO L82 PathProgramCache]: Analyzing trace with hash 773750625, now seen corresponding path program 1 times [2020-07-19 22:56:42,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:42,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196573778] [2020-07-19 22:56:42,016 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2bc198fd [2020-07-19 22:56:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,416 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:42,677 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-19 22:56:42,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196573778] [2020-07-19 22:56:42,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515488995] [2020-07-19 22:56:42,678 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e3254b9 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:56:43,254 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3e3254b9 issued 4 check-sat command(s) [2020-07-19 22:56:43,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:56:43,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 22:56:43,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:56:43,469 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 22:56:43,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:56:43,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 20 [2020-07-19 22:56:43,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225245045] [2020-07-19 22:56:43,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-19 22:56:43,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:43,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-19 22:56:43,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-07-19 22:56:43,472 INFO L87 Difference]: Start difference. First operand 1299 states and 1525 transitions. Second operand 20 states. [2020-07-19 22:56:44,129 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:56:44,497 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 22:56:44,779 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 22:56:45,044 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-19 22:56:45,821 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:46,124 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:46,489 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:56:46,781 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-19 22:56:47,942 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:48,896 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 22:56:49,385 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-19 22:56:49,708 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:50,294 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:56:50,705 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:51,332 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 22:56:52,146 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:56:52,701 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-19 22:56:53,567 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:56:54,380 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 22:56:54,920 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2020-07-19 22:56:55,223 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 22:56:55,503 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:56:55,787 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:56:56,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:56:56,151 INFO L93 Difference]: Finished difference Result 2957 states and 3620 transitions. [2020-07-19 22:56:56,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-07-19 22:56:56,152 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 157 [2020-07-19 22:56:56,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:56:56,163 INFO L225 Difference]: With dead ends: 2957 [2020-07-19 22:56:56,163 INFO L226 Difference]: Without dead ends: 1866 [2020-07-19 22:56:56,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1206 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=893, Invalid=3529, Unknown=0, NotChecked=0, Total=4422 [2020-07-19 22:56:56,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2020-07-19 22:56:56,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1636. [2020-07-19 22:56:56,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1636 states. [2020-07-19 22:56:56,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 1912 transitions. [2020-07-19 22:56:56,486 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 1912 transitions. Word has length 157 [2020-07-19 22:56:56,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:56:56,487 INFO L479 AbstractCegarLoop]: Abstraction has 1636 states and 1912 transitions. [2020-07-19 22:56:56,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-19 22:56:56,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1912 transitions. [2020-07-19 22:56:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-07-19 22:56:56,494 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 22:56:56,494 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 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] [2020-07-19 22:56:56,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 22:56:56,709 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 22:56:56,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 22:56:56,710 INFO L82 PathProgramCache]: Analyzing trace with hash -2117575381, now seen corresponding path program 1 times [2020-07-19 22:56:56,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 22:56:56,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562150671] [2020-07-19 22:56:56,710 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2bc198fd [2020-07-19 22:56:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,058 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:56:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 22:56:57,417 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 81 proven. 31 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2020-07-19 22:56:57,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562150671] [2020-07-19 22:56:57,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344747767] [2020-07-19 22:56:57,418 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@374c9de4 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 22:56:58,271 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@374c9de4 issued 3 check-sat command(s) [2020-07-19 22:56:58,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 22:56:58,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 1098 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-19 22:56:58,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 22:56:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 203 proven. 8 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2020-07-19 22:56:58,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 22:56:58,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2020-07-19 22:56:58,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055440837] [2020-07-19 22:56:58,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-07-19 22:56:58,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 22:56:58,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-07-19 22:56:58,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2020-07-19 22:56:58,646 INFO L87 Difference]: Start difference. First operand 1636 states and 1912 transitions. Second operand 26 states. [2020-07-19 22:56:59,432 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:00,946 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:01,508 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-19 22:57:01,766 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:02,243 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-07-19 22:57:02,775 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2020-07-19 22:57:03,038 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:57:03,352 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-19 22:57:05,031 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-19 22:57:05,733 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-19 22:57:06,057 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 22:57:06,425 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-19 22:57:09,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 22:57:09,013 INFO L93 Difference]: Finished difference Result 4030 states and 4899 transitions. [2020-07-19 22:57:09,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-19 22:57:09,014 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 273 [2020-07-19 22:57:09,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 22:57:09,015 INFO L225 Difference]: With dead ends: 4030 [2020-07-19 22:57:09,015 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 22:57:09,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 368 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=570, Invalid=2852, Unknown=0, NotChecked=0, Total=3422 [2020-07-19 22:57:09,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 22:57:09,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 22:57:09,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 22:57:09,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 22:57:09,028 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 273 [2020-07-19 22:57:09,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 22:57:09,028 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 22:57:09,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-07-19 22:57:09,028 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 22:57:09,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 22:57:09,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 22:57:09,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 22:57:09,894 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 256 [2020-07-19 22:57:11,938 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 314 [2020-07-19 22:57:16,677 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 258 [2020-07-19 22:57:18,117 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 274 [2020-07-19 22:57:18,804 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 241 [2020-07-19 22:57:19,341 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 239 [2020-07-19 22:57:22,085 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 29 [2020-07-19 22:57:22,633 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 22 [2020-07-19 22:57:22,803 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-19 22:57:22,981 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 25 [2020-07-19 22:57:23,409 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 21 [2020-07-19 22:57:23,600 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 22:57:23,738 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2020-07-19 22:57:24,652 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 30 [2020-07-19 22:57:25,088 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 21 [2020-07-19 22:57:25,271 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-07-19 22:57:25,876 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 23 [2020-07-19 22:57:26,882 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 23 [2020-07-19 22:57:27,081 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 22:57:28,646 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 264 DAG size of output: 34 [2020-07-19 22:57:28,801 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-07-19 22:57:29,630 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2020-07-19 22:57:29,824 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 22:57:30,994 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 235 DAG size of output: 26 [2020-07-19 22:57:31,171 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 22:57:31,511 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 13 [2020-07-19 22:57:31,619 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 22 [2020-07-19 22:57:32,096 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 31 [2020-07-19 22:57:32,808 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 26 [2020-07-19 22:57:33,208 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 21 [2020-07-19 22:57:34,637 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 256 DAG size of output: 24 [2020-07-19 22:57:35,692 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 174 DAG size of output: 24 [2020-07-19 22:57:36,528 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 49 [2020-07-19 22:57:37,387 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 29 [2020-07-19 22:57:37,965 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 22 [2020-07-19 22:57:38,417 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 21 [2020-07-19 22:57:38,805 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 17 [2020-07-19 22:57:39,174 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 29 [2020-07-19 22:57:39,351 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-19 22:57:39,539 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 22:57:39,995 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 21 [2020-07-19 22:57:40,171 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-19 22:57:40,344 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 15 [2020-07-19 22:57:40,545 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-19 22:57:40,906 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 27 [2020-07-19 22:57:41,102 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-19 22:57:41,276 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-19 22:57:41,466 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 25 [2020-07-19 22:57:41,649 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-07-19 22:57:42,037 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 30 [2020-07-19 22:57:44,015 WARN L193 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 191 DAG size of output: 27 [2020-07-19 22:57:44,188 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-19 22:57:44,607 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 21 [2020-07-19 22:57:45,229 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 44 [2020-07-19 22:57:45,828 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 23 [2020-07-19 22:57:45,994 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-07-19 22:57:47,229 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 223 DAG size of output: 33 [2020-07-19 22:57:47,973 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 31 [2020-07-19 22:57:47,978 INFO L268 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-07-19 22:57:47,978 INFO L268 CegarLoopResult]: For program point L412-1(lines 412 416) no Hoare annotation was computed. [2020-07-19 22:57:47,978 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-19 22:57:47,978 INFO L268 CegarLoopResult]: For program point L406-2(lines 406 427) no Hoare annotation was computed. [2020-07-19 22:57:47,979 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 381 436) no Hoare annotation was computed. [2020-07-19 22:57:47,979 INFO L268 CegarLoopResult]: For program point L428(lines 405 429) no Hoare annotation was computed. [2020-07-19 22:57:47,979 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 381 436) no Hoare annotation was computed. [2020-07-19 22:57:47,979 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 381 436) no Hoare annotation was computed. [2020-07-19 22:57:47,979 INFO L268 CegarLoopResult]: For program point L482-1(line 482) no Hoare annotation was computed. [2020-07-19 22:57:47,979 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 437 496) no Hoare annotation was computed. [2020-07-19 22:57:47,979 INFO L268 CegarLoopResult]: For program point L469(lines 469 473) no Hoare annotation was computed. [2020-07-19 22:57:47,980 INFO L268 CegarLoopResult]: For program point L469-1(lines 469 473) no Hoare annotation was computed. [2020-07-19 22:57:47,980 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-19 22:57:47,980 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 437 496) no Hoare annotation was computed. [2020-07-19 22:57:47,980 INFO L268 CegarLoopResult]: For program point L463-2(lines 463 488) no Hoare annotation was computed. [2020-07-19 22:57:47,980 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 437 496) no Hoare annotation was computed. [2020-07-19 22:57:47,980 INFO L268 CegarLoopResult]: For program point L489(lines 462 490) no Hoare annotation was computed. [2020-07-19 22:57:47,980 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-19 22:57:47,980 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 873 879) the Hoare annotation is: true [2020-07-19 22:57:47,981 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 873 879) no Hoare annotation was computed. [2020-07-19 22:57:47,981 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 880 888) no Hoare annotation was computed. [2020-07-19 22:57:47,981 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 880 888) the Hoare annotation is: true [2020-07-19 22:57:47,981 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 880 888) no Hoare annotation was computed. [2020-07-19 22:57:47,981 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 698 705) the Hoare annotation is: (or (not (= 1 ~waterLevel~0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-19 22:57:47,981 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 698 705) no Hoare annotation was computed. [2020-07-19 22:57:47,981 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 698 705) no Hoare annotation was computed. [2020-07-19 22:57:47,981 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 706 715) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse2 (= 0 ~systemActive~0)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or (not (= 2 ~waterLevel~0)) .cse2 .cse1 .cse3) (or .cse0 .cse2 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) .cse1 .cse3))) [2020-07-19 22:57:47,982 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 706 715) no Hoare annotation was computed. [2020-07-19 22:57:47,982 INFO L268 CegarLoopResult]: For program point L711(line 711) no Hoare annotation was computed. [2020-07-19 22:57:47,982 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 706 715) no Hoare annotation was computed. [2020-07-19 22:57:47,982 INFO L264 CegarLoopResult]: At program point L731(line 731) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2) (or (not (= 2 ~waterLevel~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-19 22:57:47,982 INFO L268 CegarLoopResult]: For program point L729(lines 729 735) no Hoare annotation was computed. [2020-07-19 22:57:47,982 INFO L268 CegarLoopResult]: For program point L728(lines 728 738) no Hoare annotation was computed. [2020-07-19 22:57:47,983 INFO L264 CegarLoopResult]: At program point L726(line 726) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse0 (and (<= __utac_acc__Specification5_spec__3_~tmp~7 ~waterLevel~0) (<= ~waterLevel~0 __utac_acc__Specification5_spec__3_~tmp~7))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse4 (not (= 2 ~waterLevel~0))) (.cse5 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3) (or .cse4 .cse2 .cse3) (or .cse0 .cse1 .cse5) (or .cse4 .cse5))) [2020-07-19 22:57:47,983 INFO L268 CegarLoopResult]: For program point L726-1(line 726) no Hoare annotation was computed. [2020-07-19 22:57:47,983 INFO L268 CegarLoopResult]: For program point L724(lines 724 741) no Hoare annotation was computed. [2020-07-19 22:57:47,983 INFO L268 CegarLoopResult]: For program point L724-1(lines 716 744) no Hoare annotation was computed. [2020-07-19 22:57:47,983 INFO L271 CegarLoopResult]: At program point L722(line 722) the Hoare annotation is: true [2020-07-19 22:57:47,983 INFO L268 CegarLoopResult]: For program point L722-1(line 722) no Hoare annotation was computed. [2020-07-19 22:57:47,983 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 716 744) the Hoare annotation is: true [2020-07-19 22:57:47,983 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 716 744) no Hoare annotation was computed. [2020-07-19 22:57:47,984 INFO L264 CegarLoopResult]: At program point L834-1(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 22:57:47,984 INFO L268 CegarLoopResult]: For program point L832(lines 832 839) no Hoare annotation was computed. [2020-07-19 22:57:47,984 INFO L268 CegarLoopResult]: For program point L832-1(lines 832 839) no Hoare annotation was computed. [2020-07-19 22:57:47,984 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-19 22:57:47,984 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 822 844) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:57:47,984 INFO L264 CegarLoopResult]: At program point L829(line 829) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:57:47,984 INFO L264 CegarLoopResult]: At program point L828(line 828) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:57:47,984 INFO L264 CegarLoopResult]: At program point L828-1(line 828) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:57:47,984 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 822 844) no Hoare annotation was computed. [2020-07-19 22:57:47,984 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 822 844) no Hoare annotation was computed. [2020-07-19 22:57:47,985 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 main_~tmp~8) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0))) [2020-07-19 22:57:47,985 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 777 800) no Hoare annotation was computed. [2020-07-19 22:57:47,985 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 777 800) no Hoare annotation was computed. [2020-07-19 22:57:47,985 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 777 800) no Hoare annotation was computed. [2020-07-19 22:57:47,985 INFO L268 CegarLoopResult]: For program point L795(line 795) no Hoare annotation was computed. [2020-07-19 22:57:47,985 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-07-19 22:57:47,985 INFO L268 CegarLoopResult]: For program point L793(line 793) no Hoare annotation was computed. [2020-07-19 22:57:47,985 INFO L268 CegarLoopResult]: For program point L792(line 792) no Hoare annotation was computed. [2020-07-19 22:57:47,985 INFO L268 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-07-19 22:57:47,985 INFO L268 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-07-19 22:57:47,985 INFO L268 CegarLoopResult]: For program point L789(line 789) no Hoare annotation was computed. [2020-07-19 22:57:47,985 INFO L268 CegarLoopResult]: For program point L788(line 788) no Hoare annotation was computed. [2020-07-19 22:57:47,985 INFO L268 CegarLoopResult]: For program point L787(line 787) no Hoare annotation was computed. [2020-07-19 22:57:47,986 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-07-19 22:57:47,986 INFO L268 CegarLoopResult]: For program point L785(line 785) no Hoare annotation was computed. [2020-07-19 22:57:47,986 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-07-19 22:57:47,986 INFO L268 CegarLoopResult]: For program point L783(line 783) no Hoare annotation was computed. [2020-07-19 22:57:47,986 INFO L268 CegarLoopResult]: For program point L782(line 782) no Hoare annotation was computed. [2020-07-19 22:57:47,986 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 233 247) no Hoare annotation was computed. [2020-07-19 22:57:47,986 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse2 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse3 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2))) [2020-07-19 22:57:47,986 INFO L268 CegarLoopResult]: For program point L237(lines 237 243) no Hoare annotation was computed. [2020-07-19 22:57:47,986 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 233 247) the Hoare annotation is: (let ((.cse4 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse0 (and .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 |old(~systemActive~0)|)) (.cse3 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or .cse3 (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= 0 ~pumpRunning~0)))))) [2020-07-19 22:57:47,986 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 233 247) no Hoare annotation was computed. [2020-07-19 22:57:47,987 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 169 177) no Hoare annotation was computed. [2020-07-19 22:57:47,987 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 169 177) the Hoare annotation is: true [2020-07-19 22:57:47,987 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 169 177) no Hoare annotation was computed. [2020-07-19 22:57:47,987 INFO L268 CegarLoopResult]: For program point L185(lines 185 193) no Hoare annotation was computed. [2020-07-19 22:57:47,987 INFO L268 CegarLoopResult]: For program point L185-2(lines 185 193) no Hoare annotation was computed. [2020-07-19 22:57:47,987 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2020-07-19 22:57:47,987 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed. [2020-07-19 22:57:47,987 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 178 213) no Hoare annotation was computed. [2020-07-19 22:57:47,987 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 178 213) no Hoare annotation was computed. [2020-07-19 22:57:47,988 INFO L268 CegarLoopResult]: For program point L197(lines 197 205) no Hoare annotation was computed. [2020-07-19 22:57:47,988 INFO L268 CegarLoopResult]: For program point L197-2(lines 197 205) no Hoare annotation was computed. [2020-07-19 22:57:47,988 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 178 213) no Hoare annotation was computed. [2020-07-19 22:57:47,988 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 866 872) no Hoare annotation was computed. [2020-07-19 22:57:47,988 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 866 872) the Hoare annotation is: true [2020-07-19 22:57:47,988 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 335 380) no Hoare annotation was computed. [2020-07-19 22:57:47,988 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 335 380) no Hoare annotation was computed. [2020-07-19 22:57:47,988 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 335 380) no Hoare annotation was computed. [2020-07-19 22:57:47,989 INFO L268 CegarLoopResult]: For program point L668(lines 668 675) no Hoare annotation was computed. [2020-07-19 22:57:47,989 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 648 693) no Hoare annotation was computed. [2020-07-19 22:57:47,989 INFO L268 CegarLoopResult]: For program point L662(lines 662 682) no Hoare annotation was computed. [2020-07-19 22:57:47,989 INFO L268 CegarLoopResult]: For program point L662-1(lines 662 682) no Hoare annotation was computed. [2020-07-19 22:57:47,989 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 648 693) no Hoare annotation was computed. [2020-07-19 22:57:47,989 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 648 693) no Hoare annotation was computed. [2020-07-19 22:57:47,989 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 808 818) the Hoare annotation is: (or (and (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:57:47,989 INFO L264 CegarLoopResult]: At program point L813(line 813) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:57:47,990 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 808 818) no Hoare annotation was computed. [2020-07-19 22:57:47,990 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 808 818) no Hoare annotation was computed. [2020-07-19 22:57:47,990 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 158 168) the Hoare annotation is: true [2020-07-19 22:57:47,990 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 158 168) no Hoare annotation was computed. [2020-07-19 22:57:47,990 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 158 168) no Hoare annotation was computed. [2020-07-19 22:57:47,990 INFO L271 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: true [2020-07-19 22:57:47,990 INFO L268 CegarLoopResult]: For program point L163-1(line 163) no Hoare annotation was computed. [2020-07-19 22:57:47,991 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 150 157) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= ~waterLevel~0 2)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse2) (or .cse1 .cse0 (not (= 2 ~waterLevel~0)) .cse2))) [2020-07-19 22:57:47,991 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 150 157) no Hoare annotation was computed. [2020-07-19 22:57:47,991 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 150 157) no Hoare annotation was computed. [2020-07-19 22:57:47,991 INFO L268 CegarLoopResult]: For program point L973(lines 973 979) no Hoare annotation was computed. [2020-07-19 22:57:47,991 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 969 982) no Hoare annotation was computed. [2020-07-19 22:57:47,991 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 969 982) the Hoare annotation is: true [2020-07-19 22:57:47,991 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 969 982) no Hoare annotation was computed. [2020-07-19 22:57:47,991 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-19 22:57:47,992 INFO L268 CegarLoopResult]: For program point L125(lines 125 133) no Hoare annotation was computed. [2020-07-19 22:57:47,992 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-19 22:57:47,992 INFO L268 CegarLoopResult]: For program point L123-1(line 123) no Hoare annotation was computed. [2020-07-19 22:57:47,992 INFO L268 CegarLoopResult]: For program point L121(lines 121 138) no Hoare annotation was computed. [2020-07-19 22:57:47,992 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 117 141) no Hoare annotation was computed. [2020-07-19 22:57:47,992 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 117 141) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-19 22:57:47,992 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-19 22:57:47,993 INFO L268 CegarLoopResult]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2020-07-19 22:57:47,993 INFO L264 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-19 22:57:47,993 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2020-07-19 22:57:47,993 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2020-07-19 22:57:47,993 INFO L264 CegarLoopResult]: At program point L320(lines 269 321) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:57:47,993 INFO L264 CegarLoopResult]: At program point testENTRY(lines 260 327) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= 1 ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 22:57:47,993 INFO L268 CegarLoopResult]: For program point testFINAL(lines 260 327) no Hoare annotation was computed. [2020-07-19 22:57:47,994 INFO L264 CegarLoopResult]: At program point L310(line 310) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse3 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse3) (and .cse0 .cse2 (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:57:47,994 INFO L268 CegarLoopResult]: For program point L308(lines 308 314) no Hoare annotation was computed. [2020-07-19 22:57:47,994 INFO L264 CegarLoopResult]: At program point L308-1(lines 300 315) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:57:47,994 INFO L268 CegarLoopResult]: For program point L271(lines 270 319) no Hoare annotation was computed. [2020-07-19 22:57:47,994 INFO L264 CegarLoopResult]: At program point L302(line 302) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= 2 ~waterLevel~0) .cse2) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:57:47,994 INFO L268 CegarLoopResult]: For program point L300(lines 300 315) no Hoare annotation was computed. [2020-07-19 22:57:47,994 INFO L264 CegarLoopResult]: At program point L292(line 292) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:57:47,994 INFO L268 CegarLoopResult]: For program point L290(lines 290 296) no Hoare annotation was computed. [2020-07-19 22:57:47,995 INFO L268 CegarLoopResult]: For program point L290-1(lines 290 296) no Hoare annotation was computed. [2020-07-19 22:57:47,995 INFO L264 CegarLoopResult]: At program point L317(lines 270 319) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:57:47,995 INFO L264 CegarLoopResult]: At program point L282(line 282) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= 2 ~waterLevel~0) .cse2) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse3 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= 0 ~pumpRunning~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-19 22:57:47,995 INFO L268 CegarLoopResult]: For program point L280(lines 280 286) no Hoare annotation was computed. [2020-07-19 22:57:47,995 INFO L268 CegarLoopResult]: For program point L280-1(lines 280 286) no Hoare annotation was computed. [2020-07-19 22:57:47,995 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-07-19 22:57:47,995 INFO L268 CegarLoopResult]: For program point testEXIT(lines 260 327) no Hoare annotation was computed. [2020-07-19 22:57:47,996 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 602 647) no Hoare annotation was computed. [2020-07-19 22:57:47,996 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 602 647) no Hoare annotation was computed. [2020-07-19 22:57:47,996 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 602 647) no Hoare annotation was computed. [2020-07-19 22:57:47,996 INFO L268 CegarLoopResult]: For program point L622(lines 622 629) no Hoare annotation was computed. [2020-07-19 22:57:47,996 INFO L268 CegarLoopResult]: For program point L616(lines 616 636) no Hoare annotation was computed. [2020-07-19 22:57:47,996 INFO L268 CegarLoopResult]: For program point L616-1(lines 616 636) no Hoare annotation was computed. [2020-07-19 22:57:47,996 INFO L268 CegarLoopResult]: For program point L945(lines 945 953) no Hoare annotation was computed. [2020-07-19 22:57:47,996 INFO L268 CegarLoopResult]: For program point L945-2(lines 945 953) no Hoare annotation was computed. [2020-07-19 22:57:47,996 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 937 959) no Hoare annotation was computed. [2020-07-19 22:57:47,997 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 937 959) no Hoare annotation was computed. [2020-07-19 22:57:47,997 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 937 959) no Hoare annotation was computed. [2020-07-19 22:57:47,997 INFO L268 CegarLoopResult]: For program point L545(lines 545 586) no Hoare annotation was computed. [2020-07-19 22:57:47,997 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 499 601) no Hoare annotation was computed. [2020-07-19 22:57:47,997 INFO L268 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-07-19 22:57:47,997 INFO L268 CegarLoopResult]: For program point L564-1(line 564) no Hoare annotation was computed. [2020-07-19 22:57:47,997 INFO L268 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2020-07-19 22:57:47,997 INFO L268 CegarLoopResult]: For program point L587(lines 587 598) no Hoare annotation was computed. [2020-07-19 22:57:47,997 INFO L268 CegarLoopResult]: For program point L550(lines 550 554) no Hoare annotation was computed. [2020-07-19 22:57:47,997 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 499 601) no Hoare annotation was computed. [2020-07-19 22:57:47,998 INFO L268 CegarLoopResult]: For program point L548-2(lines 548 568) no Hoare annotation was computed. [2020-07-19 22:57:47,998 INFO L268 CegarLoopResult]: For program point L569(lines 547 570) no Hoare annotation was computed. [2020-07-19 22:57:47,998 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 499 601) no Hoare annotation was computed. [2020-07-19 22:57:47,998 INFO L268 CegarLoopResult]: For program point L528(lines 528 544) no Hoare annotation was computed. [2020-07-19 22:57:47,998 INFO L268 CegarLoopResult]: For program point L588(lines 588 595) no Hoare annotation was computed. [2020-07-19 22:57:47,998 INFO L268 CegarLoopResult]: For program point L549(lines 548 568) no Hoare annotation was computed. [2020-07-19 22:57:47,998 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-19 22:57:47,998 INFO L268 CegarLoopResult]: For program point L580-1(line 580) no Hoare annotation was computed. [2020-07-19 22:57:47,998 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 856 865) no Hoare annotation was computed. [2020-07-19 22:57:47,999 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 856 865) no Hoare annotation was computed. [2020-07-19 22:57:47,999 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 856 865) no Hoare annotation was computed. [2020-07-19 22:57:47,999 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:57:47,999 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 22:57:47,999 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:57:47,999 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 142 149) no Hoare annotation was computed. [2020-07-19 22:57:48,000 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 142 149) no Hoare annotation was computed. [2020-07-19 22:57:48,000 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 142 149) the Hoare annotation is: (or (not (= 2 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (= 0 ~pumpRunning~0)) [2020-07-19 22:57:48,000 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 214 232) no Hoare annotation was computed. [2020-07-19 22:57:48,000 INFO L268 CegarLoopResult]: For program point L223(lines 223 227) no Hoare annotation was computed. [2020-07-19 22:57:48,000 INFO L271 CegarLoopResult]: At program point L221(line 221) the Hoare annotation is: true [2020-07-19 22:57:48,000 INFO L268 CegarLoopResult]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2020-07-19 22:57:48,000 INFO L268 CegarLoopResult]: For program point L221-1(line 221) no Hoare annotation was computed. [2020-07-19 22:57:48,000 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 214 232) the Hoare annotation is: true [2020-07-19 22:57:48,000 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 214 232) no Hoare annotation was computed. [2020-07-19 22:57:48,001 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 960 968) the Hoare annotation is: true [2020-07-19 22:57:48,001 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 960 968) no Hoare annotation was computed. [2020-07-19 22:57:48,001 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 960 968) no Hoare annotation was computed. [2020-07-19 22:57:48,001 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 916 927) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse0 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3) (or .cse1 (not (= 2 ~waterLevel~0)) .cse2 .cse3) (or .cse1 .cse0 (not (= 0 ~pumpRunning~0))))) [2020-07-19 22:57:48,001 INFO L268 CegarLoopResult]: For program point L920-1(lines 916 927) no Hoare annotation was computed. [2020-07-19 22:57:48,001 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 916 927) no Hoare annotation was computed. [2020-07-19 22:57:48,001 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:57:48,001 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 22:57:48,002 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:57:48,002 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 928 936) the Hoare annotation is: true [2020-07-19 22:57:48,002 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 928 936) no Hoare annotation was computed. [2020-07-19 22:57:48,002 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 928 936) no Hoare annotation was computed. [2020-07-19 22:57:48,002 INFO L264 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse3 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse1 .cse3) (or (not (= 0 |old(~pumpRunning~0)|)) .cse2))) [2020-07-19 22:57:48,002 INFO L268 CegarLoopResult]: For program point L63(lines 59 81) no Hoare annotation was computed. [2020-07-19 22:57:48,002 INFO L268 CegarLoopResult]: For program point L61(lines 59 81) no Hoare annotation was computed. [2020-07-19 22:57:48,003 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~systemActive~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5) (or (and (= 0 ~pumpRunning~0) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) .cse5) (or (and .cse1 (= 2 ~waterLevel~0) .cse2) .cse0 (not (= 2 |old(~waterLevel~0)|)) .cse4))) [2020-07-19 22:57:48,003 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2020-07-19 22:57:48,003 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse5 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not .cse2))) (let ((.cse0 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (and .cse5 .cse6 .cse8 (<= ~waterLevel~0 2) (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= 1 ~pumpRunning~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (= 1 |old(~waterLevel~0)|)) .cse3) (or .cse0 .cse1 .cse2 .cse4 (and .cse5 .cse6 .cse7) .cse3) (or .cse1 (not (= 2 |old(~waterLevel~0)|)) .cse2 (and .cse5 .cse6 (= 1 ~waterLevel~0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse4 (and .cse8 (= 0 ~pumpRunning~0) .cse7)))))) [2020-07-19 22:57:48,003 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2020-07-19 22:57:48,003 INFO L264 CegarLoopResult]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse7 (= 0 ~systemActive~0))) (let ((.cse10 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not .cse7)) (.cse3 (<= 1 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 2)) (.cse0 (= 0 ~pumpRunning~0)) (.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse15 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (let ((.cse5 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse8 (and .cse14 .cse0 .cse12 .cse15)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (and .cse10 .cse11 .cse2 .cse14 .cse15 .cse3)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or (and .cse0 .cse1) (and .cse2 (= 2 ~waterLevel~0) .cse1 .cse3) (not (= 0 |old(~pumpRunning~0)|)) .cse4) (or .cse5 .cse6 .cse7 .cse8 (not (= 1 |old(~waterLevel~0)|)) .cse9) (or .cse5 .cse6 .cse7 .cse8 .cse4 (and .cse10 .cse11 .cse1) .cse9 (and .cse0 .cse12 .cse1)) (let ((.cse13 (= 1 ~waterLevel~0))) (or .cse6 (not (= 2 |old(~waterLevel~0)|)) .cse7 (and .cse10 .cse11 .cse13) (and .cse0 .cse12 .cse13))))))) [2020-07-19 22:57:48,003 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-07-19 22:57:48,004 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 747 776) no Hoare annotation was computed. [2020-07-19 22:57:48,004 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 747 776) the Hoare annotation is: true [2020-07-19 22:57:48,004 INFO L268 CegarLoopResult]: For program point L761(lines 761 765) no Hoare annotation was computed. [2020-07-19 22:57:48,004 INFO L271 CegarLoopResult]: At program point L761-1(lines 761 765) the Hoare annotation is: true [2020-07-19 22:57:48,004 INFO L268 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-07-19 22:57:48,004 INFO L271 CegarLoopResult]: At program point L757-2(lines 757 771) the Hoare annotation is: true [2020-07-19 22:57:48,004 INFO L271 CegarLoopResult]: At program point L753(line 753) the Hoare annotation is: true [2020-07-19 22:57:48,004 INFO L268 CegarLoopResult]: For program point L753-1(line 753) no Hoare annotation was computed. [2020-07-19 22:57:48,005 INFO L271 CegarLoopResult]: At program point L772(lines 747 776) the Hoare annotation is: true [2020-07-19 22:57:48,005 INFO L268 CegarLoopResult]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2020-07-19 22:57:48,005 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 892 903) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0))) [2020-07-19 22:57:48,005 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 892 903) no Hoare annotation was computed. [2020-07-19 22:57:48,005 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 801 807) no Hoare annotation was computed. [2020-07-19 22:57:48,005 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 801 807) the Hoare annotation is: true [2020-07-19 22:57:48,005 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 22:57:48,005 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 22:57:48,005 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 22:57:48,006 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 22:57:48,006 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 248 255) no Hoare annotation was computed. [2020-07-19 22:57:48,006 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 248 255) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2) (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 2 ~waterLevel~0)) .cse2))) [2020-07-19 22:57:48,006 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 248 255) no Hoare annotation was computed. [2020-07-19 22:57:48,006 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-19 22:57:48,006 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (= 0 ~pumpRunning~0)))) [2020-07-19 22:57:48,006 INFO L268 CegarLoopResult]: For program point L97-1(line 97) no Hoare annotation was computed. [2020-07-19 22:57:48,007 INFO L268 CegarLoopResult]: For program point L95(lines 95 112) no Hoare annotation was computed. [2020-07-19 22:57:48,007 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2020-07-19 22:57:48,007 INFO L264 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-19 22:57:48,007 INFO L268 CegarLoopResult]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2020-07-19 22:57:48,007 INFO L264 CegarLoopResult]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-19 22:57:48,007 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 (and (= 0 ~pumpRunning~0) (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1))) [2020-07-19 22:57:48,007 INFO L268 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-07-19 22:57:48,007 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 904 915) no Hoare annotation was computed. [2020-07-19 22:57:48,008 INFO L268 CegarLoopResult]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2020-07-19 22:57:48,008 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 904 915) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= 2 |old(~waterLevel~0)|)) .cse0 (= 2 ~waterLevel~0) .cse1) (or .cse0 .cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse3 .cse1) (or .cse2 .cse3 (not (= 0 ~pumpRunning~0))))) [2020-07-19 22:57:48,008 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 846 853) no Hoare annotation was computed. [2020-07-19 22:57:48,008 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 850) no Hoare annotation was computed. [2020-07-19 22:57:48,008 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 846 853) the Hoare annotation is: true [2020-07-19 22:57:48,008 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 846 853) no Hoare annotation was computed. [2020-07-19 22:57:48,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 10:57:48 BoogieIcfgContainer [2020-07-19 22:57:48,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 22:57:48,045 INFO L168 Benchmark]: Toolchain (without parser) took 99068.93 ms. Allocated memory was 145.8 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 102.9 MB in the beginning and 536.8 MB in the end (delta: -433.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-07-19 22:57:48,046 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 22:57:48,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 758.47 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.4 MB in the beginning and 170.9 MB in the end (delta: -68.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-07-19 22:57:48,046 INFO L168 Benchmark]: Boogie Preprocessor took 102.68 ms. Allocated memory is still 203.4 MB. Free memory was 170.9 MB in the beginning and 166.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-19 22:57:48,047 INFO L168 Benchmark]: RCFGBuilder took 1221.55 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.1 MB in the beginning and 194.9 MB in the end (delta: -28.8 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2020-07-19 22:57:48,047 INFO L168 Benchmark]: TraceAbstraction took 96977.13 ms. Allocated memory was 237.0 MB in the beginning and 1.2 GB in the end (delta: 977.3 MB). Free memory was 194.9 MB in the beginning and 536.8 MB in the end (delta: -341.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2020-07-19 22:57:48,050 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 145.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 758.47 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.4 MB in the beginning and 170.9 MB in the end (delta: -68.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.68 ms. Allocated memory is still 203.4 MB. Free memory was 170.9 MB in the beginning and 166.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1221.55 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.1 MB in the beginning and 194.9 MB in the end (delta: -28.8 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 96977.13 ms. Allocated memory was 237.0 MB in the beginning and 1.2 GB in the end (delta: 977.3 MB). Free memory was 194.9 MB in the beginning and 536.8 MB in the end (delta: -341.9 MB). Peak memory consumption was 1.1 GB. 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: (!(0 == \old(pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: (((((((0 == splverifierCounter && !(0 == systemActive)) && 2 == waterLevel) && 1 <= pumpRunning) || ((((pumpRunning <= switchedOnBeforeTS && 0 == splverifierCounter) && !(0 == systemActive)) && waterLevel <= 2) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && waterLevel <= 2) && 0 == pumpRunning)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - 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: 58.1s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 48.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 38.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1610 SDtfs, 3681 SDslu, 3454 SDs, 0 SdLazy, 14911 SolverSat, 2808 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1058 GetRequests, 818 SyntacticMatches, 1 SemanticMatches, 239 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2469 ImplicationChecksByTransitivity, 23.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1636occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 874 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 3183 PreInvPairs, 3584 NumberOfFragments, 2064 HoareAnnotationTreeSize, 3183 FomulaSimplifications, 48601413 FormulaSimplificationTreeSizeReduction, 12.2s HoareSimplificationTime, 66 FomulaSimplificationsInter, 420695 FormulaSimplificationTreeSizeReductionInter, 26.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 1490 NumberOfCodeBlocks, 1424 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1478 ConstructedInterpolants, 0 QuantifiedInterpolants, 595170 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2036 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 584/646 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...