/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:22:26,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:22:26,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:22:26,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:22:26,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:22:26,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:22:26,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:22:26,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:22:26,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:22:26,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:22:26,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:22:26,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:22:26,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:22:26,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:22:26,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:22:26,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:22:26,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:22:26,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:22:26,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:22:26,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:22:26,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:22:26,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:22:26,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:22:26,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:22:26,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:22:26,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:22:26,568 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:22:26,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:22:26,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:22:26,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:22:26,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:22:26,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:22:26,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:22:26,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:22:26,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:22:26,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:22:26,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:22:26,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:22:26,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:22:26,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:22:26,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:22:26,578 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:22:26,597 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:22:26,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:22:26,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:22:26,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:22:26,599 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:22:26,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:22:26,599 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:22:26,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:22:26,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:22:26,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:22:26,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:22:26,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:22:26,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:22:26,600 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:22:26,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:22:26,601 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:22:26,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:22:26,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:22:26,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:22:26,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:22:26,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:22:26,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:22:26,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:22:26,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:22:26,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:22:26,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:22:26,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:26,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:22:26,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:22:26,604 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:22:26,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:22:26,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:22:26,898 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:22:26,902 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:22:26,903 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:22:26,904 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2020-07-20 16:22:26,978 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72bf64f51/c5f78f3123904a98ac4419aa905ecfa1/FLAGbf7f139cb [2020-07-20 16:22:27,578 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:22:27,579 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2020-07-20 16:22:27,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72bf64f51/c5f78f3123904a98ac4419aa905ecfa1/FLAGbf7f139cb [2020-07-20 16:22:27,839 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72bf64f51/c5f78f3123904a98ac4419aa905ecfa1 [2020-07-20 16:22:27,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:22:27,851 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:22:27,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:22:27,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:22:27,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:22:27,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:22:27" (1/1) ... [2020-07-20 16:22:27,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367101ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:27, skipping insertion in model container [2020-07-20 16:22:27,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:22:27" (1/1) ... [2020-07-20 16:22:27,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:22:27,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:22:28,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:22:28,411 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:22:28,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:22:28,531 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:22:28,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:28 WrapperNode [2020-07-20 16:22:28,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:22:28,532 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:22:28,532 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:22:28,533 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:22:28,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:28" (1/1) ... [2020-07-20 16:22:28,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:28" (1/1) ... [2020-07-20 16:22:28,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:28" (1/1) ... [2020-07-20 16:22:28,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:28" (1/1) ... [2020-07-20 16:22:28,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:28" (1/1) ... [2020-07-20 16:22:28,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:28" (1/1) ... [2020-07-20 16:22:28,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:28" (1/1) ... [2020-07-20 16:22:28,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:22:28,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:22:28,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:22:28,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:22:28,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:22:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:22:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:22:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:22:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:22:28,705 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:22:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:22:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:22:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:22:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 16:22:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:22:28,706 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:22:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:22:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:22:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:22:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:22:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:22:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:22:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:22:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:22:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:22:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:22:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:22:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:22:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:22:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:22:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:22:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-20 16:22:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:22:28,709 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:22:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:22:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:22:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:22:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:22:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:22:28,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:22:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:22:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:22:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:22:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:22:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:22:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:22:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:22:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:22:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:22:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:22:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:22:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:22:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:22:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:22:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:22:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:22:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:22:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:22:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:22:28,713 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:22:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:22:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:22:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-20 16:22:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:22:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:22:28,714 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:22:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 16:22:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:22:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 16:22:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:22:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:22:28,715 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:22:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:22:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:22:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:22:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:22:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:22:28,716 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:22:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:22:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:22:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:22:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:22:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:22:28,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:22:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:22:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:22:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:22:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:22:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:22:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:22:28,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:22:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:22:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:22:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:22:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:22:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:22:28,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:22:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:22:28,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:22:29,893 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:22:29,894 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:22:29,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:22:29 BoogieIcfgContainer [2020-07-20 16:22:29,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:22:29,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:22:29,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:22:29,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:22:29,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:22:27" (1/3) ... [2020-07-20 16:22:29,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1b2a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:22:29, skipping insertion in model container [2020-07-20 16:22:29,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:22:28" (2/3) ... [2020-07-20 16:22:29,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d1b2a99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:22:29, skipping insertion in model container [2020-07-20 16:22:29,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:22:29" (3/3) ... [2020-07-20 16:22:29,908 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2020-07-20 16:22:29,919 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:22:29,928 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:22:29,942 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:22:29,968 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:22:29,968 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:22:29,968 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:22:29,968 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:22:29,969 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:22:29,969 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:22:29,969 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:22:29,969 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:22:29,994 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-07-20 16:22:30,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 16:22:30,004 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:30,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:30,006 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:30,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:30,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1417441614, now seen corresponding path program 1 times [2020-07-20 16:22:30,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:30,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [892546905] [2020-07-20 16:22:30,022 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:30,515 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:22:30,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:30,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:22:30,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:30,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:30,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:30,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [892546905] [2020-07-20 16:22:30,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:30,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:22:30,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961886793] [2020-07-20 16:22:30,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:22:30,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:30,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:22:30,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:22:30,587 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2020-07-20 16:22:30,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:30,634 INFO L93 Difference]: Finished difference Result 268 states and 333 transitions. [2020-07-20 16:22:30,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:22:30,635 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 16:22:30,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:30,651 INFO L225 Difference]: With dead ends: 268 [2020-07-20 16:22:30,651 INFO L226 Difference]: Without dead ends: 134 [2020-07-20 16:22:30,656 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:22:30,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-20 16:22:30,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-07-20 16:22:30,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-20 16:22:30,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2020-07-20 16:22:30,726 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46 [2020-07-20 16:22:30,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:30,727 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2020-07-20 16:22:30,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:22:30,728 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2020-07-20 16:22:30,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 16:22:30,732 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:30,732 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:30,946 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:30,947 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:30,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:30,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1689810546, now seen corresponding path program 1 times [2020-07-20 16:22:30,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:30,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7833391] [2020-07-20 16:22:30,948 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:31,406 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:22:31,407 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:31,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:22:31,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:31,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:31,446 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:31,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7833391] [2020-07-20 16:22:31,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:31,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:22:31,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420376946] [2020-07-20 16:22:31,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:22:31,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:31,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:22:31,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:31,450 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 3 states. [2020-07-20 16:22:31,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:31,473 INFO L93 Difference]: Finished difference Result 213 states and 251 transitions. [2020-07-20 16:22:31,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:22:31,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 16:22:31,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:31,476 INFO L225 Difference]: With dead ends: 213 [2020-07-20 16:22:31,477 INFO L226 Difference]: Without dead ends: 125 [2020-07-20 16:22:31,478 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:31,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-20 16:22:31,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-07-20 16:22:31,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-20 16:22:31,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2020-07-20 16:22:31,492 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 47 [2020-07-20 16:22:31,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:31,493 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2020-07-20 16:22:31,493 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:22:31,493 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2020-07-20 16:22:31,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:22:31,496 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:31,496 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:31,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:31,711 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:31,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:31,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1011180464, now seen corresponding path program 1 times [2020-07-20 16:22:31,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:31,713 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [566123541] [2020-07-20 16:22:31,714 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:32,139 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:22:32,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:32,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:22:32,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:32,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:32,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:32,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [566123541] [2020-07-20 16:22:32,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:32,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:22:32,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117200579] [2020-07-20 16:22:32,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:22:32,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:32,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:22:32,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:32,186 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 3 states. [2020-07-20 16:22:32,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:32,203 INFO L93 Difference]: Finished difference Result 226 states and 269 transitions. [2020-07-20 16:22:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:22:32,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:22:32,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:32,206 INFO L225 Difference]: With dead ends: 226 [2020-07-20 16:22:32,206 INFO L226 Difference]: Without dead ends: 125 [2020-07-20 16:22:32,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:32,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-20 16:22:32,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-07-20 16:22:32,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-20 16:22:32,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2020-07-20 16:22:32,221 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 52 [2020-07-20 16:22:32,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:32,222 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2020-07-20 16:22:32,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:22:32,222 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2020-07-20 16:22:32,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 16:22:32,224 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:32,225 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:32,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:32,440 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:32,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:32,441 INFO L82 PathProgramCache]: Analyzing trace with hash 1017334303, now seen corresponding path program 1 times [2020-07-20 16:22:32,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:32,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [432604531] [2020-07-20 16:22:32,443 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:32,833 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:22:32,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:32,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 16:22:32,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:32,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:32,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:32,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [432604531] [2020-07-20 16:22:32,893 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:32,893 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:22:32,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613252090] [2020-07-20 16:22:32,894 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:22:32,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:32,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:22:32,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:22:32,895 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 6 states. [2020-07-20 16:22:33,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:33,541 INFO L93 Difference]: Finished difference Result 314 states and 380 transitions. [2020-07-20 16:22:33,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:22:33,542 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-07-20 16:22:33,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:33,545 INFO L225 Difference]: With dead ends: 314 [2020-07-20 16:22:33,545 INFO L226 Difference]: Without dead ends: 213 [2020-07-20 16:22:33,547 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:22:33,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-07-20 16:22:33,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 197. [2020-07-20 16:22:33,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-07-20 16:22:33,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 222 transitions. [2020-07-20 16:22:33,573 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 222 transitions. Word has length 65 [2020-07-20 16:22:33,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:33,574 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 222 transitions. [2020-07-20 16:22:33,574 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:22:33,574 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 222 transitions. [2020-07-20 16:22:33,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-20 16:22:33,575 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:33,576 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:33,788 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:33,789 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:33,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:33,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1244154125, now seen corresponding path program 1 times [2020-07-20 16:22:33,790 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:33,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427949937] [2020-07-20 16:22:33,791 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:34,147 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:22:34,148 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:34,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:22:34,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:34,197 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:34,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427949937] [2020-07-20 16:22:34,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:34,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:22:34,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129269585] [2020-07-20 16:22:34,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:22:34,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:34,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:22:34,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:22:34,199 INFO L87 Difference]: Start difference. First operand 197 states and 222 transitions. Second operand 6 states. [2020-07-20 16:22:34,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:34,426 INFO L93 Difference]: Finished difference Result 204 states and 230 transitions. [2020-07-20 16:22:34,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:22:34,427 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2020-07-20 16:22:34,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:34,432 INFO L225 Difference]: With dead ends: 204 [2020-07-20 16:22:34,432 INFO L226 Difference]: Without dead ends: 201 [2020-07-20 16:22:34,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:22:34,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-07-20 16:22:34,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 197. [2020-07-20 16:22:34,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-07-20 16:22:34,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 221 transitions. [2020-07-20 16:22:34,454 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 221 transitions. Word has length 79 [2020-07-20 16:22:34,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:34,454 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 221 transitions. [2020-07-20 16:22:34,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:22:34,455 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 221 transitions. [2020-07-20 16:22:34,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-20 16:22:34,456 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:34,456 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] [2020-07-20 16:22:34,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:34,670 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:34,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:34,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1946971748, now seen corresponding path program 1 times [2020-07-20 16:22:34,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:34,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434193363] [2020-07-20 16:22:34,673 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:34,981 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:22:34,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:34,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:22:34,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:35,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:22:35,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:35,031 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434193363] [2020-07-20 16:22:35,031 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:35,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:22:35,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006163677] [2020-07-20 16:22:35,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:22:35,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:35,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:22:35,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:22:35,033 INFO L87 Difference]: Start difference. First operand 197 states and 221 transitions. Second operand 6 states. [2020-07-20 16:22:35,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:35,086 INFO L93 Difference]: Finished difference Result 377 states and 432 transitions. [2020-07-20 16:22:35,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:22:35,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2020-07-20 16:22:35,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:35,093 INFO L225 Difference]: With dead ends: 377 [2020-07-20 16:22:35,093 INFO L226 Difference]: Without dead ends: 204 [2020-07-20 16:22:35,098 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:22:35,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-07-20 16:22:35,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 202. [2020-07-20 16:22:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-07-20 16:22:35,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 226 transitions. [2020-07-20 16:22:35,137 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 226 transitions. Word has length 95 [2020-07-20 16:22:35,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:35,138 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 226 transitions. [2020-07-20 16:22:35,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:22:35,138 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 226 transitions. [2020-07-20 16:22:35,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-20 16:22:35,142 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:35,143 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] [2020-07-20 16:22:35,355 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:35,356 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:35,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:35,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1053485410, now seen corresponding path program 1 times [2020-07-20 16:22:35,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:35,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [756751681] [2020-07-20 16:22:35,358 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:35,509 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:22:35,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:35,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:22:35,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:22:35,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:35,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [756751681] [2020-07-20 16:22:35,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:35,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:22:35,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624190566] [2020-07-20 16:22:35,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:22:35,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:35,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:22:35,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:22:35,575 INFO L87 Difference]: Start difference. First operand 202 states and 226 transitions. Second operand 5 states. [2020-07-20 16:22:35,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:35,601 INFO L93 Difference]: Finished difference Result 387 states and 443 transitions. [2020-07-20 16:22:35,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:22:35,601 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2020-07-20 16:22:35,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:35,603 INFO L225 Difference]: With dead ends: 387 [2020-07-20 16:22:35,604 INFO L226 Difference]: Without dead ends: 209 [2020-07-20 16:22:35,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:22:35,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2020-07-20 16:22:35,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 206. [2020-07-20 16:22:35,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-07-20 16:22:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 230 transitions. [2020-07-20 16:22:35,623 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 230 transitions. Word has length 95 [2020-07-20 16:22:35,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:35,623 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 230 transitions. [2020-07-20 16:22:35,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:22:35,624 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 230 transitions. [2020-07-20 16:22:35,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-07-20 16:22:35,625 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:35,625 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] [2020-07-20 16:22:35,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:35,834 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:35,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:35,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1061244769, now seen corresponding path program 1 times [2020-07-20 16:22:35,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:35,836 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1766425667] [2020-07-20 16:22:35,836 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:36,169 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:22:36,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:36,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:22:36,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:36,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 16:22:36,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:36,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1766425667] [2020-07-20 16:22:36,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:36,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:22:36,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725488768] [2020-07-20 16:22:36,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:22:36,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:36,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:22:36,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:36,203 INFO L87 Difference]: Start difference. First operand 206 states and 230 transitions. Second operand 3 states. [2020-07-20 16:22:36,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:36,253 INFO L93 Difference]: Finished difference Result 528 states and 616 transitions. [2020-07-20 16:22:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:22:36,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-07-20 16:22:36,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:36,257 INFO L225 Difference]: With dead ends: 528 [2020-07-20 16:22:36,259 INFO L226 Difference]: Without dead ends: 346 [2020-07-20 16:22:36,261 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 92 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:22:36,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-07-20 16:22:36,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 343. [2020-07-20 16:22:36,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-07-20 16:22:36,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 394 transitions. [2020-07-20 16:22:36,297 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 394 transitions. Word has length 95 [2020-07-20 16:22:36,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:36,297 INFO L479 AbstractCegarLoop]: Abstraction has 343 states and 394 transitions. [2020-07-20 16:22:36,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:22:36,297 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 394 transitions. [2020-07-20 16:22:36,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-07-20 16:22:36,299 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:36,299 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, 1, 1] [2020-07-20 16:22:36,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:36,515 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:36,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:36,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1977450523, now seen corresponding path program 1 times [2020-07-20 16:22:36,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:36,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [136539974] [2020-07-20 16:22:36,517 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:36,915 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:22:36,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:36,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 25 conjunts are in the unsatisfiable core [2020-07-20 16:22:36,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:37,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:22:37,018 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:37,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [136539974] [2020-07-20 16:22:37,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:37,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-20 16:22:37,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010473885] [2020-07-20 16:22:37,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-20 16:22:37,021 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:37,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-20 16:22:37,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-20 16:22:37,022 INFO L87 Difference]: Start difference. First operand 343 states and 394 transitions. Second operand 11 states. [2020-07-20 16:22:37,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:37,625 INFO L93 Difference]: Finished difference Result 947 states and 1133 transitions. [2020-07-20 16:22:37,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-20 16:22:37,626 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 99 [2020-07-20 16:22:37,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:37,631 INFO L225 Difference]: With dead ends: 947 [2020-07-20 16:22:37,631 INFO L226 Difference]: Without dead ends: 628 [2020-07-20 16:22:37,633 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-07-20 16:22:37,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2020-07-20 16:22:37,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 620. [2020-07-20 16:22:37,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2020-07-20 16:22:37,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 719 transitions. [2020-07-20 16:22:37,674 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 719 transitions. Word has length 99 [2020-07-20 16:22:37,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:37,675 INFO L479 AbstractCegarLoop]: Abstraction has 620 states and 719 transitions. [2020-07-20 16:22:37,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-20 16:22:37,675 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 719 transitions. [2020-07-20 16:22:37,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-20 16:22:37,679 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:37,679 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:22:37,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:37,894 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:37,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:37,895 INFO L82 PathProgramCache]: Analyzing trace with hash 518801848, now seen corresponding path program 1 times [2020-07-20 16:22:37,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:37,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875039653] [2020-07-20 16:22:37,896 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:38,230 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:22:38,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:38,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:22:38,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:38,327 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-07-20 16:22:38,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:38,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875039653] [2020-07-20 16:22:38,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:38,328 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 16:22:38,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087984493] [2020-07-20 16:22:38,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 16:22:38,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:38,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 16:22:38,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:22:38,330 INFO L87 Difference]: Start difference. First operand 620 states and 719 transitions. Second operand 8 states. [2020-07-20 16:22:38,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:38,750 INFO L93 Difference]: Finished difference Result 1216 states and 1414 transitions. [2020-07-20 16:22:38,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 16:22:38,750 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 159 [2020-07-20 16:22:38,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:38,755 INFO L225 Difference]: With dead ends: 1216 [2020-07-20 16:22:38,755 INFO L226 Difference]: Without dead ends: 620 [2020-07-20 16:22:38,758 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 151 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:22:38,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2020-07-20 16:22:38,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 620. [2020-07-20 16:22:38,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 620 states. [2020-07-20 16:22:38,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 706 transitions. [2020-07-20 16:22:38,819 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 706 transitions. Word has length 159 [2020-07-20 16:22:38,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:38,820 INFO L479 AbstractCegarLoop]: Abstraction has 620 states and 706 transitions. [2020-07-20 16:22:38,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 16:22:38,820 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 706 transitions. [2020-07-20 16:22:38,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-20 16:22:38,823 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:22:38,823 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1] [2020-07-20 16:22:39,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:39,038 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:22:39,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:22:39,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1934361844, now seen corresponding path program 1 times [2020-07-20 16:22:39,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:22:39,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [903424194] [2020-07-20 16:22:39,039 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:39,386 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:22:39,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:22:39,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:22:39,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:22:39,486 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 16:22:39,487 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:22:39,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [903424194] [2020-07-20 16:22:39,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:22:39,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 16:22:39,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993673159] [2020-07-20 16:22:39,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 16:22:39,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:22:39,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 16:22:39,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:22:39,489 INFO L87 Difference]: Start difference. First operand 620 states and 706 transitions. Second operand 8 states. [2020-07-20 16:22:39,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:22:39,943 INFO L93 Difference]: Finished difference Result 1137 states and 1302 transitions. [2020-07-20 16:22:39,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 16:22:39,944 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2020-07-20 16:22:39,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:22:39,946 INFO L225 Difference]: With dead ends: 1137 [2020-07-20 16:22:39,946 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:22:39,949 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:22:39,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:22:39,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:22:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:22:39,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:22:39,951 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2020-07-20 16:22:39,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:22:39,951 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:22:39,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 16:22:39,951 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:22:39,951 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:22:40,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:22:40,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:22:41,118 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 16 [2020-07-20 16:22:41,249 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 27 [2020-07-20 16:22:41,418 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2020-07-20 16:22:41,670 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23 [2020-07-20 16:22:42,218 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23 [2020-07-20 16:22:42,330 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 23 [2020-07-20 16:22:42,892 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 19 [2020-07-20 16:22:43,343 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2020-07-20 16:22:44,093 INFO L268 CegarLoopResult]: For program point L671(lines 671 675) no Hoare annotation was computed. [2020-07-20 16:22:44,093 INFO L268 CegarLoopResult]: For program point L671-1(lines 671 675) no Hoare annotation was computed. [2020-07-20 16:22:44,093 INFO L268 CegarLoopResult]: For program point L666(line 666) no Hoare annotation was computed. [2020-07-20 16:22:44,093 INFO L268 CegarLoopResult]: For program point L665-2(lines 665 686) no Hoare annotation was computed. [2020-07-20 16:22:44,094 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 640 695) no Hoare annotation was computed. [2020-07-20 16:22:44,094 INFO L268 CegarLoopResult]: For program point L687(lines 664 688) no Hoare annotation was computed. [2020-07-20 16:22:44,094 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 640 695) no Hoare annotation was computed. [2020-07-20 16:22:44,094 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 640 695) no Hoare annotation was computed. [2020-07-20 16:22:44,094 INFO L268 CegarLoopResult]: For program point L728(lines 728 732) no Hoare annotation was computed. [2020-07-20 16:22:44,094 INFO L268 CegarLoopResult]: For program point L728-1(lines 728 732) no Hoare annotation was computed. [2020-07-20 16:22:44,094 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 696 755) no Hoare annotation was computed. [2020-07-20 16:22:44,094 INFO L268 CegarLoopResult]: For program point L723(line 723) no Hoare annotation was computed. [2020-07-20 16:22:44,095 INFO L268 CegarLoopResult]: For program point L722-2(lines 722 747) no Hoare annotation was computed. [2020-07-20 16:22:44,095 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 696 755) no Hoare annotation was computed. [2020-07-20 16:22:44,095 INFO L268 CegarLoopResult]: For program point L748(lines 721 749) no Hoare annotation was computed. [2020-07-20 16:22:44,095 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 696 755) no Hoare annotation was computed. [2020-07-20 16:22:44,095 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-07-20 16:22:44,095 INFO L268 CegarLoopResult]: For program point L741-1(line 741) no Hoare annotation was computed. [2020-07-20 16:22:44,095 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 441 447) the Hoare annotation is: true [2020-07-20 16:22:44,096 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 441 447) no Hoare annotation was computed. [2020-07-20 16:22:44,096 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 448 456) no Hoare annotation was computed. [2020-07-20 16:22:44,096 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 448 456) the Hoare annotation is: true [2020-07-20 16:22:44,096 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 448 456) no Hoare annotation was computed. [2020-07-20 16:22:44,096 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 399 421) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:44,096 INFO L264 CegarLoopResult]: At program point L411(line 411) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:44,097 INFO L264 CegarLoopResult]: At program point L411-1(line 411) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:44,097 INFO L268 CegarLoopResult]: For program point L409(lines 409 416) no Hoare annotation was computed. [2020-07-20 16:22:44,097 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 399 421) no Hoare annotation was computed. [2020-07-20 16:22:44,097 INFO L268 CegarLoopResult]: For program point L409-1(lines 409 416) no Hoare annotation was computed. [2020-07-20 16:22:44,097 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-20 16:22:44,097 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:44,097 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:44,098 INFO L264 CegarLoopResult]: At program point L405-1(line 405) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:44,098 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 399 421) no Hoare annotation was computed. [2020-07-20 16:22:44,098 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 355 378) no Hoare annotation was computed. [2020-07-20 16:22:44,098 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 355 378) no Hoare annotation was computed. [2020-07-20 16:22:44,098 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 355 378) no Hoare annotation was computed. [2020-07-20 16:22:44,098 INFO L268 CegarLoopResult]: For program point L373(line 373) no Hoare annotation was computed. [2020-07-20 16:22:44,098 INFO L268 CegarLoopResult]: For program point L372(line 372) no Hoare annotation was computed. [2020-07-20 16:22:44,099 INFO L268 CegarLoopResult]: For program point L371(line 371) no Hoare annotation was computed. [2020-07-20 16:22:44,099 INFO L268 CegarLoopResult]: For program point L370(line 370) no Hoare annotation was computed. [2020-07-20 16:22:44,099 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-07-20 16:22:44,099 INFO L268 CegarLoopResult]: For program point L368(line 368) no Hoare annotation was computed. [2020-07-20 16:22:44,099 INFO L268 CegarLoopResult]: For program point L367(line 367) no Hoare annotation was computed. [2020-07-20 16:22:44,099 INFO L268 CegarLoopResult]: For program point L366(line 366) no Hoare annotation was computed. [2020-07-20 16:22:44,099 INFO L268 CegarLoopResult]: For program point L365(line 365) no Hoare annotation was computed. [2020-07-20 16:22:44,099 INFO L268 CegarLoopResult]: For program point L364(line 364) no Hoare annotation was computed. [2020-07-20 16:22:44,100 INFO L268 CegarLoopResult]: For program point L363(line 363) no Hoare annotation was computed. [2020-07-20 16:22:44,100 INFO L268 CegarLoopResult]: For program point L362(line 362) no Hoare annotation was computed. [2020-07-20 16:22:44,100 INFO L268 CegarLoopResult]: For program point L361(line 361) no Hoare annotation was computed. [2020-07-20 16:22:44,100 INFO L268 CegarLoopResult]: For program point L360(line 360) no Hoare annotation was computed. [2020-07-20 16:22:44,100 INFO L268 CegarLoopResult]: For program point L162-1(line 162) no Hoare annotation was computed. [2020-07-20 16:22:44,100 INFO L268 CegarLoopResult]: For program point L160(lines 160 177) no Hoare annotation was computed. [2020-07-20 16:22:44,100 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 156 180) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:22:44,101 INFO L264 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse2 .cse1))) [2020-07-20 16:22:44,101 INFO L268 CegarLoopResult]: For program point L175-1(lines 156 180) no Hoare annotation was computed. [2020-07-20 16:22:44,101 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 156 180) no Hoare annotation was computed. [2020-07-20 16:22:44,101 INFO L264 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (let ((.cse2 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~1) (= 0 ~pumpRunning~0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse3) .cse2) (or .cse3 .cse0 .cse1))) [2020-07-20 16:22:44,101 INFO L264 CegarLoopResult]: At program point L166(line 166) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not .cse6)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse3) (or .cse0 .cse5 .cse4) (or .cse6 .cse0 .cse5)))) [2020-07-20 16:22:44,101 INFO L268 CegarLoopResult]: For program point L164(lines 164 172) no Hoare annotation was computed. [2020-07-20 16:22:44,102 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not .cse1) .cse2) (or .cse0 .cse3 .cse2) (or .cse1 .cse0 .cse3))) [2020-07-20 16:22:44,102 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 251 259) no Hoare annotation was computed. [2020-07-20 16:22:44,102 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 251 259) the Hoare annotation is: true [2020-07-20 16:22:44,102 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 251 259) no Hoare annotation was computed. [2020-07-20 16:22:44,102 INFO L268 CegarLoopResult]: For program point L290-1(line 290) no Hoare annotation was computed. [2020-07-20 16:22:44,102 INFO L268 CegarLoopResult]: For program point L279(lines 279 287) no Hoare annotation was computed. [2020-07-20 16:22:44,102 INFO L268 CegarLoopResult]: For program point L279-2(lines 279 287) no Hoare annotation was computed. [2020-07-20 16:22:44,103 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 260 295) no Hoare annotation was computed. [2020-07-20 16:22:44,103 INFO L268 CegarLoopResult]: For program point L267(lines 267 275) no Hoare annotation was computed. [2020-07-20 16:22:44,103 INFO L268 CegarLoopResult]: For program point L267-2(lines 267 275) no Hoare annotation was computed. [2020-07-20 16:22:44,103 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 260 295) no Hoare annotation was computed. [2020-07-20 16:22:44,103 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 260 295) no Hoare annotation was computed. [2020-07-20 16:22:44,103 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-07-20 16:22:44,103 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 434 440) no Hoare annotation was computed. [2020-07-20 16:22:44,103 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 434 440) the Hoare annotation is: true [2020-07-20 16:22:44,103 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 594 639) no Hoare annotation was computed. [2020-07-20 16:22:44,104 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 594 639) no Hoare annotation was computed. [2020-07-20 16:22:44,104 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 594 639) no Hoare annotation was computed. [2020-07-20 16:22:44,104 INFO L268 CegarLoopResult]: For program point L927(lines 927 934) no Hoare annotation was computed. [2020-07-20 16:22:44,104 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 907 952) no Hoare annotation was computed. [2020-07-20 16:22:44,104 INFO L268 CegarLoopResult]: For program point L921(lines 921 941) no Hoare annotation was computed. [2020-07-20 16:22:44,104 INFO L268 CegarLoopResult]: For program point L921-1(lines 921 941) no Hoare annotation was computed. [2020-07-20 16:22:44,104 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 907 952) no Hoare annotation was computed. [2020-07-20 16:22:44,104 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 907 952) no Hoare annotation was computed. [2020-07-20 16:22:44,105 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 386 395) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:44,105 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 386 395) no Hoare annotation was computed. [2020-07-20 16:22:44,105 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 386 395) no Hoare annotation was computed. [2020-07-20 16:22:44,105 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 240 250) the Hoare annotation is: true [2020-07-20 16:22:44,105 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 240 250) no Hoare annotation was computed. [2020-07-20 16:22:44,105 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 240 250) no Hoare annotation was computed. [2020-07-20 16:22:44,105 INFO L271 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: true [2020-07-20 16:22:44,105 INFO L268 CegarLoopResult]: For program point L245-1(line 245) no Hoare annotation was computed. [2020-07-20 16:22:44,106 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 232 239) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:22:44,106 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 232 239) no Hoare annotation was computed. [2020-07-20 16:22:44,106 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 232 239) no Hoare annotation was computed. [2020-07-20 16:22:44,106 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-07-20 16:22:44,106 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 573 586) no Hoare annotation was computed. [2020-07-20 16:22:44,106 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 573 586) the Hoare annotation is: true [2020-07-20 16:22:44,106 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 573 586) no Hoare annotation was computed. [2020-07-20 16:22:44,107 INFO L264 CegarLoopResult]: At program point L192(line 192) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 (and .cse1 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2))) (or .cse0 .cse3 .cse4) (or .cse0 .cse4 .cse2))) [2020-07-20 16:22:44,107 INFO L268 CegarLoopResult]: For program point L190(lines 190 198) no Hoare annotation was computed. [2020-07-20 16:22:44,107 INFO L264 CegarLoopResult]: At program point L188(line 188) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 .cse1))) [2020-07-20 16:22:44,107 INFO L268 CegarLoopResult]: For program point L188-1(line 188) no Hoare annotation was computed. [2020-07-20 16:22:44,107 INFO L268 CegarLoopResult]: For program point L186(lines 186 203) no Hoare annotation was computed. [2020-07-20 16:22:44,107 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 182 206) no Hoare annotation was computed. [2020-07-20 16:22:44,107 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 182 206) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 16:22:44,108 INFO L264 CegarLoopResult]: At program point L201(line 201) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse0 .cse3))) [2020-07-20 16:22:44,108 INFO L268 CegarLoopResult]: For program point L201-1(lines 182 206) no Hoare annotation was computed. [2020-07-20 16:22:44,108 INFO L264 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-20 16:22:44,108 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 148 154) no Hoare annotation was computed. [2020-07-20 16:22:44,108 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 148 154) the Hoare annotation is: true [2020-07-20 16:22:44,108 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:44,109 INFO L268 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-07-20 16:22:44,109 INFO L264 CegarLoopResult]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:22:44,109 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-07-20 16:22:44,109 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:22:44,109 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-07-20 16:22:44,109 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-07-20 16:22:44,110 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:22:44,110 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-07-20 16:22:44,110 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-07-20 16:22:44,110 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:22:44,110 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0))) (or (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:22:44,110 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-07-20 16:22:44,110 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-07-20 16:22:44,111 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-07-20 16:22:44,111 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:22:44,111 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-07-20 16:22:44,111 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 861 906) no Hoare annotation was computed. [2020-07-20 16:22:44,111 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 861 906) no Hoare annotation was computed. [2020-07-20 16:22:44,111 INFO L268 CegarLoopResult]: For program point L881(lines 881 888) no Hoare annotation was computed. [2020-07-20 16:22:44,111 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 861 906) no Hoare annotation was computed. [2020-07-20 16:22:44,111 INFO L268 CegarLoopResult]: For program point L875(lines 875 895) no Hoare annotation was computed. [2020-07-20 16:22:44,111 INFO L268 CegarLoopResult]: For program point L875-1(lines 875 895) no Hoare annotation was computed. [2020-07-20 16:22:44,112 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 207 214) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)) [2020-07-20 16:22:44,112 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 207 214) no Hoare annotation was computed. [2020-07-20 16:22:44,112 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 207 214) no Hoare annotation was computed. [2020-07-20 16:22:44,112 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 541 563) no Hoare annotation was computed. [2020-07-20 16:22:44,112 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 541 563) no Hoare annotation was computed. [2020-07-20 16:22:44,112 INFO L268 CegarLoopResult]: For program point L549(lines 549 557) no Hoare annotation was computed. [2020-07-20 16:22:44,112 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 541 563) no Hoare annotation was computed. [2020-07-20 16:22:44,112 INFO L268 CegarLoopResult]: For program point L549-2(lines 549 557) no Hoare annotation was computed. [2020-07-20 16:22:44,113 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 424 433) no Hoare annotation was computed. [2020-07-20 16:22:44,113 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 424 433) no Hoare annotation was computed. [2020-07-20 16:22:44,113 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 424 433) no Hoare annotation was computed. [2020-07-20 16:22:44,113 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 758 860) no Hoare annotation was computed. [2020-07-20 16:22:44,113 INFO L268 CegarLoopResult]: For program point L828(lines 806 829) no Hoare annotation was computed. [2020-07-20 16:22:44,113 INFO L268 CegarLoopResult]: For program point L787(lines 787 803) no Hoare annotation was computed. [2020-07-20 16:22:44,113 INFO L268 CegarLoopResult]: For program point L847(lines 847 854) no Hoare annotation was computed. [2020-07-20 16:22:44,113 INFO L268 CegarLoopResult]: For program point L808(lines 807 827) no Hoare annotation was computed. [2020-07-20 16:22:44,113 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-07-20 16:22:44,114 INFO L268 CegarLoopResult]: For program point L839-1(line 839) no Hoare annotation was computed. [2020-07-20 16:22:44,114 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 758 860) no Hoare annotation was computed. [2020-07-20 16:22:44,114 INFO L268 CegarLoopResult]: For program point L804(lines 804 845) no Hoare annotation was computed. [2020-07-20 16:22:44,114 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-20 16:22:44,114 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-07-20 16:22:44,114 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 758 860) no Hoare annotation was computed. [2020-07-20 16:22:44,114 INFO L268 CegarLoopResult]: For program point L782(lines 782 786) no Hoare annotation was computed. [2020-07-20 16:22:44,114 INFO L268 CegarLoopResult]: For program point L846(lines 846 857) no Hoare annotation was computed. [2020-07-20 16:22:44,115 INFO L268 CegarLoopResult]: For program point L809(lines 809 813) no Hoare annotation was computed. [2020-07-20 16:22:44,115 INFO L268 CegarLoopResult]: For program point L807-2(lines 807 827) no Hoare annotation was computed. [2020-07-20 16:22:44,115 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:22:44,115 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-20 16:22:44,115 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:22:44,115 INFO L268 CegarLoopResult]: For program point L226-1(lines 215 231) no Hoare annotation was computed. [2020-07-20 16:22:44,115 INFO L268 CegarLoopResult]: For program point L222(lines 222 228) no Hoare annotation was computed. [2020-07-20 16:22:44,115 INFO L264 CegarLoopResult]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 16:22:44,116 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 215 231) no Hoare annotation was computed. [2020-07-20 16:22:44,116 INFO L268 CegarLoopResult]: For program point L220-1(line 220) no Hoare annotation was computed. [2020-07-20 16:22:44,116 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 215 231) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 16:22:44,116 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= 0 ~pumpRunning~0)) .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:22:44,116 INFO L268 CegarLoopResult]: For program point L305(lines 305 309) no Hoare annotation was computed. [2020-07-20 16:22:44,116 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 296 314) no Hoare annotation was computed. [2020-07-20 16:22:44,117 INFO L271 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: true [2020-07-20 16:22:44,117 INFO L268 CegarLoopResult]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2020-07-20 16:22:44,117 INFO L268 CegarLoopResult]: For program point L303-1(line 303) no Hoare annotation was computed. [2020-07-20 16:22:44,117 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 296 314) the Hoare annotation is: true [2020-07-20 16:22:44,117 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 296 314) no Hoare annotation was computed. [2020-07-20 16:22:44,117 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 564 572) no Hoare annotation was computed. [2020-07-20 16:22:44,117 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 564 572) no Hoare annotation was computed. [2020-07-20 16:22:44,117 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 564 572) no Hoare annotation was computed. [2020-07-20 16:22:44,118 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 520 531) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (<= 1 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2020-07-20 16:22:44,118 INFO L268 CegarLoopResult]: For program point L524-1(lines 520 531) no Hoare annotation was computed. [2020-07-20 16:22:44,118 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 520 531) no Hoare annotation was computed. [2020-07-20 16:22:44,118 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:22:44,118 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:22:44,118 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:22:44,118 INFO L268 CegarLoopResult]: For program point L128(lines 127 146) no Hoare annotation was computed. [2020-07-20 16:22:44,118 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 124 147) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2 .cse4) (or .cse0 .cse5 .cse1) (or .cse3 .cse0 .cse5 .cse4))) [2020-07-20 16:22:44,118 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 124 147) no Hoare annotation was computed. [2020-07-20 16:22:44,119 INFO L264 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2 .cse4) (or .cse0 .cse5 .cse1) (or .cse3 .cse0 .cse5 .cse4))) [2020-07-20 16:22:44,119 INFO L264 CegarLoopResult]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not .cse2) .cse3 .cse4) (or .cse1 .cse5 .cse4) (or .cse2 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse6) (or .cse0 .cse1 .cse5 .cse6))) [2020-07-20 16:22:44,119 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 124 147) no Hoare annotation was computed. [2020-07-20 16:22:44,119 INFO L264 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse6) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 .cse1) (or .cse5 .cse0 .cse3 .cse6))) [2020-07-20 16:22:44,119 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 325 354) no Hoare annotation was computed. [2020-07-20 16:22:44,119 INFO L271 CegarLoopResult]: At program point L350(lines 325 354) the Hoare annotation is: true [2020-07-20 16:22:44,120 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 325 354) the Hoare annotation is: true [2020-07-20 16:22:44,120 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-07-20 16:22:44,120 INFO L268 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-07-20 16:22:44,120 INFO L271 CegarLoopResult]: At program point L339-1(lines 339 343) the Hoare annotation is: true [2020-07-20 16:22:44,120 INFO L268 CegarLoopResult]: For program point L336(line 336) no Hoare annotation was computed. [2020-07-20 16:22:44,120 INFO L271 CegarLoopResult]: At program point L335-2(lines 335 349) the Hoare annotation is: true [2020-07-20 16:22:44,120 INFO L271 CegarLoopResult]: At program point L331(line 331) the Hoare annotation is: true [2020-07-20 16:22:44,120 INFO L268 CegarLoopResult]: For program point L331-1(line 331) no Hoare annotation was computed. [2020-07-20 16:22:44,120 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 532 540) the Hoare annotation is: true [2020-07-20 16:22:44,121 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 532 540) no Hoare annotation was computed. [2020-07-20 16:22:44,121 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 532 540) no Hoare annotation was computed. [2020-07-20 16:22:44,121 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 496 507) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-20 16:22:44,121 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 496 507) no Hoare annotation was computed. [2020-07-20 16:22:44,121 INFO L268 CegarLoopResult]: For program point L500-1(lines 496 507) no Hoare annotation was computed. [2020-07-20 16:22:44,121 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 379 385) no Hoare annotation was computed. [2020-07-20 16:22:44,121 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 379 385) the Hoare annotation is: true [2020-07-20 16:22:44,121 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:22:44,122 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:22:44,122 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:22:44,122 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:22:44,122 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 315 322) no Hoare annotation was computed. [2020-07-20 16:22:44,122 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 315 322) the Hoare annotation is: (let ((.cse0 (<= 1 ~systemActive~0)) (.cse1 (not (<= 1 |old(~systemActive~0)|)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-20 16:22:44,122 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 315 322) no Hoare annotation was computed. [2020-07-20 16:22:44,122 INFO L268 CegarLoopResult]: For program point L512-1(lines 508 519) no Hoare annotation was computed. [2020-07-20 16:22:44,122 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 508 519) no Hoare annotation was computed. [2020-07-20 16:22:44,123 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 508 519) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 (not (= 0 ~pumpRunning~0))))) [2020-07-20 16:22:44,123 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 458 465) no Hoare annotation was computed. [2020-07-20 16:22:44,123 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2020-07-20 16:22:44,123 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 458 465) the Hoare annotation is: true [2020-07-20 16:22:44,123 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 458 465) no Hoare annotation was computed. [2020-07-20 16:22:44,123 INFO L264 CegarLoopResult]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:22:44,123 INFO L268 CegarLoopResult]: For program point L479(lines 479 485) no Hoare annotation was computed. [2020-07-20 16:22:44,123 INFO L264 CegarLoopResult]: At program point L477(line 477) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~methaneLevelCritical~0))) [2020-07-20 16:22:44,124 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 467 491) the Hoare annotation is: true [2020-07-20 16:22:44,124 INFO L268 CegarLoopResult]: For program point L477-1(line 477) no Hoare annotation was computed. [2020-07-20 16:22:44,124 INFO L268 CegarLoopResult]: For program point L475(lines 475 488) no Hoare annotation was computed. [2020-07-20 16:22:44,124 INFO L268 CegarLoopResult]: For program point L475-1(lines 467 491) no Hoare annotation was computed. [2020-07-20 16:22:44,124 INFO L271 CegarLoopResult]: At program point L473(line 473) the Hoare annotation is: true [2020-07-20 16:22:44,124 INFO L268 CegarLoopResult]: For program point L473-1(line 473) no Hoare annotation was computed. [2020-07-20 16:22:44,124 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 467 491) no Hoare annotation was computed. [2020-07-20 16:22:44,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:22:44 BoogieIcfgContainer [2020-07-20 16:22:44,142 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:22:44,145 INFO L168 Benchmark]: Toolchain (without parser) took 16295.12 ms. Allocated memory was 136.3 MB in the beginning and 377.5 MB in the end (delta: 241.2 MB). Free memory was 100.2 MB in the beginning and 81.5 MB in the end (delta: 18.6 MB). Peak memory consumption was 262.1 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:44,145 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:22:44,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.21 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 100.0 MB in the beginning and 167.4 MB in the end (delta: -67.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:44,147 INFO L168 Benchmark]: Boogie Preprocessor took 98.87 ms. Allocated memory is still 199.8 MB. Free memory was 167.4 MB in the beginning and 163.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:44,148 INFO L168 Benchmark]: RCFGBuilder took 1267.81 ms. Allocated memory was 199.8 MB in the beginning and 228.6 MB in the end (delta: 28.8 MB). Free memory was 163.2 MB in the beginning and 193.7 MB in the end (delta: -30.5 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:44,149 INFO L168 Benchmark]: TraceAbstraction took 14241.89 ms. Allocated memory was 228.6 MB in the beginning and 377.5 MB in the end (delta: 148.9 MB). Free memory was 193.7 MB in the beginning and 81.5 MB in the end (delta: 112.2 MB). Peak memory consumption was 263.4 MB. Max. memory is 7.1 GB. [2020-07-20 16:22:44,153 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 119.4 MB in the beginning and 119.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 680.21 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 100.0 MB in the beginning and 167.4 MB in the end (delta: -67.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.87 ms. Allocated memory is still 199.8 MB. Free memory was 167.4 MB in the beginning and 163.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1267.81 ms. Allocated memory was 199.8 MB in the beginning and 228.6 MB in the end (delta: 28.8 MB). Free memory was 163.2 MB in the beginning and 193.7 MB in the end (delta: -30.5 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14241.89 ms. Allocated memory was 228.6 MB in the beginning and 377.5 MB in the end (delta: 148.9 MB). Free memory was 193.7 MB in the beginning and 81.5 MB in the end (delta: 112.2 MB). Peak memory consumption was 263.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 462]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && splverifierCounter <= 0) && 1 <= systemActive) || (((1 <= methaneLevelCritical && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(\old(waterLevel) <= 1)) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.2s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1903 SDtfs, 808 SDslu, 4626 SDs, 0 SdLazy, 1326 SolverSat, 145 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 987 GetRequests, 935 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=620occurred 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: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 36 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1302 PreInvPairs, 1371 NumberOfFragments, 1521 HoareAnnotationTreeSize, 1302 FomulaSimplifications, 671 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 62 FomulaSimplificationsInter, 4651 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 987 NumberOfCodeBlocks, 796 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 976 ConstructedInterpolants, 0 QuantifiedInterpolants, 159098 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7613 ConjunctsInSsa, 98 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 114/114 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...