/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_FUNCTIONS --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_spec2_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:01:59,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:01:59,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:01:59,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:01:59,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:01:59,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:01:59,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:01:59,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:01:59,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:01:59,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:01:59,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:01:59,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:01:59,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:01:59,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:01:59,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:01:59,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:01:59,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:01:59,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:01:59,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:01:59,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:01:59,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:01:59,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:01:59,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:01:59,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:01:59,582 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:01:59,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:01:59,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:01:59,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:01:59,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:01:59,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:01:59,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:01:59,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:01:59,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:01:59,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:01:59,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:01:59,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:01:59,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:01:59,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:01:59,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:01:59,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:01:59,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:01:59,592 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 13:01:59,613 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:01:59,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:01:59,616 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:01:59,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:01:59,616 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:01:59,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:01:59,617 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:01:59,617 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:01:59,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:01:59,618 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:01:59,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:01:59,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:01:59,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:01:59,619 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:01:59,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:01:59,620 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:01:59,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:01:59,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:01:59,620 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:01:59,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:01:59,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:01:59,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:01:59,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:01:59,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:01:59,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:01:59,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:01:59,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:59,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:01:59,623 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:01:59,623 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_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:01:59,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:01:59,927 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:01:59,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:01:59,932 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:01:59,933 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:01:59,933 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2020-07-20 13:01:59,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57d04be2/d0cf8425da8c440682606daf693f2673/FLAG4bae42226 [2020-07-20 13:02:00,519 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:02:00,520 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product47.cil.c [2020-07-20 13:02:00,533 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57d04be2/d0cf8425da8c440682606daf693f2673/FLAG4bae42226 [2020-07-20 13:02:00,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a57d04be2/d0cf8425da8c440682606daf693f2673 [2020-07-20 13:02:00,880 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:02:00,883 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:02:00,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:02:00,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:02:00,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:02:00,892 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:00" (1/1) ... [2020-07-20 13:02:00,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b0987a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:00, skipping insertion in model container [2020-07-20 13:02:00,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:02:00" (1/1) ... [2020-07-20 13:02:00,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:02:00,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:02:01,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:02:01,436 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:02:01,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:02:01,565 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:02:01,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:01 WrapperNode [2020-07-20 13:02:01,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:02:01,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:02:01,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:02:01,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:02:01,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:01" (1/1) ... [2020-07-20 13:02:01,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:01" (1/1) ... [2020-07-20 13:02:01,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:01" (1/1) ... [2020-07-20 13:02:01,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:01" (1/1) ... [2020-07-20 13:02:01,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:01" (1/1) ... [2020-07-20 13:02:01,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:01" (1/1) ... [2020-07-20 13:02:01,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:01" (1/1) ... [2020-07-20 13:02:01,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:02:01,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:02:01,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:02:01,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:02:01,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:01" (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 13:02:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:02:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:02:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:02:01,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:02:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:02:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:02:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:02:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:02:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:02:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:02:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:02:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:02:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:02:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:02:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 13:02:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 13:02:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:02:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:02:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:02:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:02:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:02:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:02:01,727 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:02:01,727 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:02:01,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:02:01,727 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:02:01,727 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:02:01,728 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:02:01,728 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:02:01,728 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:02:01,728 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:02:01,728 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:02:01,728 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 13:02:01,729 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:02:01,729 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:02:01,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:02:01,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:02:01,729 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:02:01,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:02:01,729 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 13:02:01,730 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:02:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:02:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:02:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:02:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:02:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:02:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:02:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:02:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:02:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:02:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:02:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:02:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:02:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:02:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:02:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:02:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:02:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:02:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:02:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:02:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:02:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:02:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:02:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:02:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:02:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:02:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:02:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:02:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 13:02:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 13:02:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:02:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:02:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:02:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:02:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:02:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:02:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:02:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:02:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:02:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:02:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:02:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:02:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:02:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:02:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:02:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:02:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 13:02:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:02:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:02:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:02:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:02:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:02:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 13:02:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:02:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:02:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:02:02,824 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:02:02,824 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:02:02,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:02 BoogieIcfgContainer [2020-07-20 13:02:02,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:02:02,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:02:02,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:02:02,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:02:02,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:02:00" (1/3) ... [2020-07-20 13:02:02,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f912f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:02, skipping insertion in model container [2020-07-20 13:02:02,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:02:01" (2/3) ... [2020-07-20 13:02:02,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f912f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:02:02, skipping insertion in model container [2020-07-20 13:02:02,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:02:02" (3/3) ... [2020-07-20 13:02:02,839 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2020-07-20 13:02:02,850 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:02:02,858 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:02:02,872 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:02:02,897 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:02:02,898 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:02:02,898 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:02:02,898 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:02:02,898 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:02:02,899 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:02:02,899 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:02:02,899 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:02:02,922 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states. [2020-07-20 13:02:02,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 13:02:02,932 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:02,934 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:02,934 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:02,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:02,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1859141612, now seen corresponding path program 1 times [2020-07-20 13:02:02,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:02,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1689933584] [2020-07-20 13:02:02,951 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 13:02:03,404 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:03,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:03,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:02:03,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:03,461 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 13:02:03,461 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:03,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1689933584] [2020-07-20 13:02:03,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:03,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:02:03,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563632904] [2020-07-20 13:02:03,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:02:03,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:03,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:02:03,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:02:03,496 INFO L87 Difference]: Start difference. First operand 184 states. Second operand 2 states. [2020-07-20 13:02:03,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:03,547 INFO L93 Difference]: Finished difference Result 278 states and 349 transitions. [2020-07-20 13:02:03,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:02:03,549 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 13:02:03,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:03,565 INFO L225 Difference]: With dead ends: 278 [2020-07-20 13:02:03,566 INFO L226 Difference]: Without dead ends: 141 [2020-07-20 13:02:03,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 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 13:02:03,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-07-20 13:02:03,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2020-07-20 13:02:03,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-07-20 13:02:03,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2020-07-20 13:02:03,631 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 51 [2020-07-20 13:02:03,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:03,632 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2020-07-20 13:02:03,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:02:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2020-07-20 13:02:03,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 13:02:03,640 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:03,640 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 13:02:03,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:03,853 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:03,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:03,854 INFO L82 PathProgramCache]: Analyzing trace with hash 2121847036, now seen corresponding path program 1 times [2020-07-20 13:02:03,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:03,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303332393] [2020-07-20 13:02:03,856 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 13:02:04,281 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:04,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:04,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:02:04,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:04,328 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 13:02:04,328 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:04,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303332393] [2020-07-20 13:02:04,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:04,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:02:04,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488154861] [2020-07-20 13:02:04,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:02:04,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:04,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:02:04,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:04,332 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand 3 states. [2020-07-20 13:02:04,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:04,356 INFO L93 Difference]: Finished difference Result 221 states and 263 transitions. [2020-07-20 13:02:04,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:02:04,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 13:02:04,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:04,359 INFO L225 Difference]: With dead ends: 221 [2020-07-20 13:02:04,359 INFO L226 Difference]: Without dead ends: 132 [2020-07-20 13:02:04,361 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 13:02:04,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-07-20 13:02:04,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-07-20 13:02:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-20 13:02:04,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2020-07-20 13:02:04,376 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 52 [2020-07-20 13:02:04,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:04,377 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2020-07-20 13:02:04,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:02:04,377 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2020-07-20 13:02:04,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 13:02:04,379 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:04,380 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:04,594 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:04,595 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:04,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:04,596 INFO L82 PathProgramCache]: Analyzing trace with hash 51071948, now seen corresponding path program 1 times [2020-07-20 13:02:04,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:04,597 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [395139742] [2020-07-20 13:02:04,598 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 13:02:04,998 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:04,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:05,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:02:05,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:05,038 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 13:02:05,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:05,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [395139742] [2020-07-20 13:02:05,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:05,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:02:05,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617733843] [2020-07-20 13:02:05,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:02:05,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:05,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:02:05,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:05,041 INFO L87 Difference]: Start difference. First operand 132 states and 156 transitions. Second operand 3 states. [2020-07-20 13:02:05,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:05,088 INFO L93 Difference]: Finished difference Result 338 states and 412 transitions. [2020-07-20 13:02:05,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:02:05,090 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 13:02:05,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:05,097 INFO L225 Difference]: With dead ends: 338 [2020-07-20 13:02:05,097 INFO L226 Difference]: Without dead ends: 234 [2020-07-20 13:02:05,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 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 13:02:05,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-07-20 13:02:05,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 230. [2020-07-20 13:02:05,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-07-20 13:02:05,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 279 transitions. [2020-07-20 13:02:05,140 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 279 transitions. Word has length 56 [2020-07-20 13:02:05,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:05,141 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 279 transitions. [2020-07-20 13:02:05,141 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:02:05,141 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 279 transitions. [2020-07-20 13:02:05,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 13:02:05,144 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:05,144 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:05,357 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:05,358 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:05,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:05,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1476511447, now seen corresponding path program 1 times [2020-07-20 13:02:05,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:05,360 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [792226469] [2020-07-20 13:02:05,361 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 13:02:05,883 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:05,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:05,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 13:02:05,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:05,967 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 13:02:05,968 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:05,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [792226469] [2020-07-20 13:02:05,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:05,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:05,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754817149] [2020-07-20 13:02:05,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:05,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:05,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:05,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:05,970 INFO L87 Difference]: Start difference. First operand 230 states and 279 transitions. Second operand 6 states. [2020-07-20 13:02:06,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:06,247 INFO L93 Difference]: Finished difference Result 621 states and 773 transitions. [2020-07-20 13:02:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:02:06,248 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2020-07-20 13:02:06,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:06,252 INFO L225 Difference]: With dead ends: 621 [2020-07-20 13:02:06,253 INFO L226 Difference]: Without dead ends: 419 [2020-07-20 13:02:06,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 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 13:02:06,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2020-07-20 13:02:06,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 415. [2020-07-20 13:02:06,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-07-20 13:02:06,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 508 transitions. [2020-07-20 13:02:06,295 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 508 transitions. Word has length 62 [2020-07-20 13:02:06,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:06,295 INFO L479 AbstractCegarLoop]: Abstraction has 415 states and 508 transitions. [2020-07-20 13:02:06,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:06,296 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 508 transitions. [2020-07-20 13:02:06,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-07-20 13:02:06,300 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:06,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:06,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:06,515 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:06,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:06,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1658122107, now seen corresponding path program 1 times [2020-07-20 13:02:06,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:06,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352024748] [2020-07-20 13:02:06,517 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 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 13:02:06,893 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:06,893 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:06,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:02:06,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:06,962 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 13:02:06,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:06,963 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352024748] [2020-07-20 13:02:06,963 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:06,963 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:06,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015145013] [2020-07-20 13:02:06,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:06,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:06,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:06,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:06,967 INFO L87 Difference]: Start difference. First operand 415 states and 508 transitions. Second operand 6 states. [2020-07-20 13:02:07,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:07,222 INFO L93 Difference]: Finished difference Result 1030 states and 1308 transitions. [2020-07-20 13:02:07,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:02:07,222 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-07-20 13:02:07,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:07,228 INFO L225 Difference]: With dead ends: 1030 [2020-07-20 13:02:07,228 INFO L226 Difference]: Without dead ends: 643 [2020-07-20 13:02:07,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 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 13:02:07,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2020-07-20 13:02:07,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 631. [2020-07-20 13:02:07,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2020-07-20 13:02:07,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 770 transitions. [2020-07-20 13:02:07,293 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 770 transitions. Word has length 66 [2020-07-20 13:02:07,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:07,293 INFO L479 AbstractCegarLoop]: Abstraction has 631 states and 770 transitions. [2020-07-20 13:02:07,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 770 transitions. [2020-07-20 13:02:07,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 13:02:07,302 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:07,303 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, 1, 1, 1, 1] [2020-07-20 13:02:07,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:07,505 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:07,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:07,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1979078966, now seen corresponding path program 1 times [2020-07-20 13:02:07,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:07,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069032903] [2020-07-20 13:02:07,507 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 13:02:07,869 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:07,869 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:07,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:02:07,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:07,920 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 13:02:07,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:07,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069032903] [2020-07-20 13:02:07,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:07,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:02:07,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392386122] [2020-07-20 13:02:07,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:02:07,923 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:07,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:02:07,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:07,924 INFO L87 Difference]: Start difference. First operand 631 states and 770 transitions. Second operand 3 states. [2020-07-20 13:02:08,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:08,002 INFO L93 Difference]: Finished difference Result 1821 states and 2378 transitions. [2020-07-20 13:02:08,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:02:08,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-07-20 13:02:08,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:08,012 INFO L225 Difference]: With dead ends: 1821 [2020-07-20 13:02:08,013 INFO L226 Difference]: Without dead ends: 1218 [2020-07-20 13:02:08,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 100 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 13:02:08,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2020-07-20 13:02:08,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1215. [2020-07-20 13:02:08,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2020-07-20 13:02:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1550 transitions. [2020-07-20 13:02:08,101 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1550 transitions. Word has length 103 [2020-07-20 13:02:08,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:08,102 INFO L479 AbstractCegarLoop]: Abstraction has 1215 states and 1550 transitions. [2020-07-20 13:02:08,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:02:08,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1550 transitions. [2020-07-20 13:02:08,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 13:02:08,107 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:08,107 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:08,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:08,321 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:08,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:08,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1925725455, now seen corresponding path program 1 times [2020-07-20 13:02:08,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:08,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [102166776] [2020-07-20 13:02:08,324 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 13:02:08,713 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:08,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:08,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 13:02:08,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:08,790 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 13:02:08,790 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:08,790 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [102166776] [2020-07-20 13:02:08,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:08,791 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:08,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538941948] [2020-07-20 13:02:08,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:08,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:08,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:08,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:08,793 INFO L87 Difference]: Start difference. First operand 1215 states and 1550 transitions. Second operand 6 states. [2020-07-20 13:02:10,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:10,075 INFO L93 Difference]: Finished difference Result 4072 states and 5570 transitions. [2020-07-20 13:02:10,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 13:02:10,078 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2020-07-20 13:02:10,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:10,103 INFO L225 Difference]: With dead ends: 4072 [2020-07-20 13:02:10,104 INFO L226 Difference]: Without dead ends: 2885 [2020-07-20 13:02:10,110 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 13:02:10,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2885 states. [2020-07-20 13:02:10,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2885 to 2651. [2020-07-20 13:02:10,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2651 states. [2020-07-20 13:02:10,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2651 states and 3496 transitions. [2020-07-20 13:02:10,280 INFO L78 Accepts]: Start accepts. Automaton has 2651 states and 3496 transitions. Word has length 107 [2020-07-20 13:02:10,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:10,281 INFO L479 AbstractCegarLoop]: Abstraction has 2651 states and 3496 transitions. [2020-07-20 13:02:10,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:10,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 3496 transitions. [2020-07-20 13:02:10,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 13:02:10,287 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:10,287 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, 1, 1, 1, 1] [2020-07-20 13:02:10,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:10,502 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:10,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:10,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1738538837, now seen corresponding path program 1 times [2020-07-20 13:02:10,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:10,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218961545] [2020-07-20 13:02:10,504 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 13:02:10,917 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:10,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:10,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:02:10,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:10,958 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 13:02:10,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:10,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218961545] [2020-07-20 13:02:10,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:10,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:02:10,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504652064] [2020-07-20 13:02:10,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:02:10,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:10,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:02:10,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:02:10,961 INFO L87 Difference]: Start difference. First operand 2651 states and 3496 transitions. Second operand 6 states. [2020-07-20 13:02:11,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:11,163 INFO L93 Difference]: Finished difference Result 5358 states and 7488 transitions. [2020-07-20 13:02:11,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:02:11,164 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2020-07-20 13:02:11,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:11,184 INFO L225 Difference]: With dead ends: 5358 [2020-07-20 13:02:11,184 INFO L226 Difference]: Without dead ends: 2735 [2020-07-20 13:02:11,194 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 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 13:02:11,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2735 states. [2020-07-20 13:02:11,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2735 to 2711. [2020-07-20 13:02:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2711 states. [2020-07-20 13:02:11,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 2711 states and 3572 transitions. [2020-07-20 13:02:11,399 INFO L78 Accepts]: Start accepts. Automaton has 2711 states and 3572 transitions. Word has length 103 [2020-07-20 13:02:11,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:11,399 INFO L479 AbstractCegarLoop]: Abstraction has 2711 states and 3572 transitions. [2020-07-20 13:02:11,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:02:11,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 3572 transitions. [2020-07-20 13:02:11,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 13:02:11,408 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:11,408 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, 1, 1, 1, 1] [2020-07-20 13:02:11,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:11,622 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:11,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:11,623 INFO L82 PathProgramCache]: Analyzing trace with hash 189733865, now seen corresponding path program 1 times [2020-07-20 13:02:11,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:11,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2035148199] [2020-07-20 13:02:11,624 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 13:02:12,057 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:12,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:12,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:02:12,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:12,106 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 13:02:12,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:12,106 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2035148199] [2020-07-20 13:02:12,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:12,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:02:12,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000177270] [2020-07-20 13:02:12,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:02:12,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:12,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:02:12,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:02:12,108 INFO L87 Difference]: Start difference. First operand 2711 states and 3572 transitions. Second operand 5 states. [2020-07-20 13:02:12,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:12,223 INFO L93 Difference]: Finished difference Result 5032 states and 6820 transitions. [2020-07-20 13:02:12,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:02:12,224 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2020-07-20 13:02:12,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:12,244 INFO L225 Difference]: With dead ends: 5032 [2020-07-20 13:02:12,245 INFO L226 Difference]: Without dead ends: 2349 [2020-07-20 13:02:12,255 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 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 13:02:12,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2349 states. [2020-07-20 13:02:12,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2349 to 2349. [2020-07-20 13:02:12,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2349 states. [2020-07-20 13:02:12,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 2349 states and 3044 transitions. [2020-07-20 13:02:12,480 INFO L78 Accepts]: Start accepts. Automaton has 2349 states and 3044 transitions. Word has length 103 [2020-07-20 13:02:12,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:12,483 INFO L479 AbstractCegarLoop]: Abstraction has 2349 states and 3044 transitions. [2020-07-20 13:02:12,484 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:02:12,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 3044 transitions. [2020-07-20 13:02:12,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-20 13:02:12,487 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:12,487 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:12,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:12,703 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:12,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:12,704 INFO L82 PathProgramCache]: Analyzing trace with hash -237992882, now seen corresponding path program 1 times [2020-07-20 13:02:12,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:12,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1640815494] [2020-07-20 13:02:12,704 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 13:02:13,089 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:13,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:13,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 13:02:13,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:13,165 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 13:02:13,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:13,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1640815494] [2020-07-20 13:02:13,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:13,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 13:02:13,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934495176] [2020-07-20 13:02:13,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 13:02:13,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:13,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 13:02:13,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:13,168 INFO L87 Difference]: Start difference. First operand 2349 states and 3044 transitions. Second operand 8 states. [2020-07-20 13:02:13,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:13,651 INFO L93 Difference]: Finished difference Result 4594 states and 5982 transitions. [2020-07-20 13:02:13,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 13:02:13,652 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-07-20 13:02:13,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:13,669 INFO L225 Difference]: With dead ends: 4594 [2020-07-20 13:02:13,669 INFO L226 Difference]: Without dead ends: 2273 [2020-07-20 13:02:13,678 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 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 13:02:13,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2020-07-20 13:02:13,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2273. [2020-07-20 13:02:13,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2273 states. [2020-07-20 13:02:13,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 2888 transitions. [2020-07-20 13:02:13,801 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 2888 transitions. Word has length 107 [2020-07-20 13:02:13,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:13,801 INFO L479 AbstractCegarLoop]: Abstraction has 2273 states and 2888 transitions. [2020-07-20 13:02:13,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 13:02:13,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 2888 transitions. [2020-07-20 13:02:13,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-07-20 13:02:13,805 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:13,806 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:02:14,018 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:14,019 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:14,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:14,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1107755406, now seen corresponding path program 1 times [2020-07-20 13:02:14,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:14,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392719400] [2020-07-20 13:02:14,022 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 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 13:02:14,367 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:02:14,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:14,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 828 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 13:02:14,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:14,400 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-20 13:02:14,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:14,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392719400] [2020-07-20 13:02:14,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:14,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:02:14,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542949821] [2020-07-20 13:02:14,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:02:14,403 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:14,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:02:14,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:02:14,404 INFO L87 Difference]: Start difference. First operand 2273 states and 2888 transitions. Second operand 3 states. [2020-07-20 13:02:14,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:14,481 INFO L93 Difference]: Finished difference Result 2710 states and 3422 transitions. [2020-07-20 13:02:14,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:02:14,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2020-07-20 13:02:14,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:14,488 INFO L225 Difference]: With dead ends: 2710 [2020-07-20 13:02:14,488 INFO L226 Difference]: Without dead ends: 1097 [2020-07-20 13:02:14,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 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 13:02:14,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2020-07-20 13:02:14,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1097. [2020-07-20 13:02:14,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1097 states. [2020-07-20 13:02:14,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1353 transitions. [2020-07-20 13:02:14,546 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1353 transitions. Word has length 140 [2020-07-20 13:02:14,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:14,547 INFO L479 AbstractCegarLoop]: Abstraction has 1097 states and 1353 transitions. [2020-07-20 13:02:14,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:02:14,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1353 transitions. [2020-07-20 13:02:14,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-07-20 13:02:14,550 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:02:14,551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:02:14,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:14,764 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:02:14,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:02:14,764 INFO L82 PathProgramCache]: Analyzing trace with hash 926596768, now seen corresponding path program 1 times [2020-07-20 13:02:14,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:02:14,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1244007309] [2020-07-20 13:02:14,765 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:15,117 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:02:15,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:02:15,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 13:02:15,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:02:15,204 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 13:02:15,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:02:15,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1244007309] [2020-07-20 13:02:15,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:02:15,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 13:02:15,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796020408] [2020-07-20 13:02:15,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 13:02:15,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:02:15,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 13:02:15,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:02:15,207 INFO L87 Difference]: Start difference. First operand 1097 states and 1353 transitions. Second operand 8 states. [2020-07-20 13:02:15,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:02:15,668 INFO L93 Difference]: Finished difference Result 2036 states and 2540 transitions. [2020-07-20 13:02:15,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 13:02:15,668 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2020-07-20 13:02:15,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:02:15,669 INFO L225 Difference]: With dead ends: 2036 [2020-07-20 13:02:15,670 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:02:15,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 150 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 13:02:15,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:02:15,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:02:15,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:02:15,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:02:15,676 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2020-07-20 13:02:15,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:02:15,676 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:02:15,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 13:02:15,676 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:02:15,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:02:15,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:02:15,895 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:02:19,328 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 43 [2020-07-20 13:02:19,475 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2020-07-20 13:02:19,726 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 15 [2020-07-20 13:02:20,264 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 35 [2020-07-20 13:02:20,484 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 23 [2020-07-20 13:02:20,826 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2020-07-20 13:02:21,124 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 30 [2020-07-20 13:02:21,473 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 30 [2020-07-20 13:02:21,785 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 25 [2020-07-20 13:02:22,332 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 37 [2020-07-20 13:02:22,481 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 18 [2020-07-20 13:02:22,746 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 20 [2020-07-20 13:02:23,317 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 28 [2020-07-20 13:02:23,340 INFO L268 CegarLoopResult]: For program point L186(lines 163 187) no Hoare annotation was computed. [2020-07-20 13:02:23,340 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 139 194) no Hoare annotation was computed. [2020-07-20 13:02:23,340 INFO L268 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-07-20 13:02:23,340 INFO L268 CegarLoopResult]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2020-07-20 13:02:23,341 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 139 194) no Hoare annotation was computed. [2020-07-20 13:02:23,341 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-20 13:02:23,341 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 139 194) no Hoare annotation was computed. [2020-07-20 13:02:23,341 INFO L268 CegarLoopResult]: For program point L164-2(lines 164 185) no Hoare annotation was computed. [2020-07-20 13:02:23,341 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-20 13:02:23,341 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 246) no Hoare annotation was computed. [2020-07-20 13:02:23,341 INFO L268 CegarLoopResult]: For program point L247(lines 220 248) no Hoare annotation was computed. [2020-07-20 13:02:23,341 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 195 254) no Hoare annotation was computed. [2020-07-20 13:02:23,341 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-07-20 13:02:23,342 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-20 13:02:23,342 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 195 254) no Hoare annotation was computed. [2020-07-20 13:02:23,342 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 195 254) no Hoare annotation was computed. [2020-07-20 13:02:23,342 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-20 13:02:23,342 INFO L268 CegarLoopResult]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2020-07-20 13:02:23,342 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-20 13:02:23,342 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-20 13:02:23,343 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-20 13:02:23,343 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-20 13:02:23,343 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-20 13:02:23,343 INFO L264 CegarLoopResult]: At program point L578-1(line 578) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:23,343 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 572 594) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:23,343 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 572 594) no Hoare annotation was computed. [2020-07-20 13:02:23,343 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 572 594) no Hoare annotation was computed. [2020-07-20 13:02:23,344 INFO L264 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:23,344 INFO L264 CegarLoopResult]: At program point L584-1(line 584) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:23,344 INFO L268 CegarLoopResult]: For program point L582(lines 582 589) no Hoare annotation was computed. [2020-07-20 13:02:23,344 INFO L268 CegarLoopResult]: For program point L582-1(lines 582 589) no Hoare annotation was computed. [2020-07-20 13:02:23,344 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-20 13:02:23,344 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:23,345 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:23,345 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-20 13:02:23,345 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-20 13:02:23,345 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 529 552) no Hoare annotation was computed. [2020-07-20 13:02:23,345 INFO L268 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-07-20 13:02:23,345 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 13:02:23,345 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-20 13:02:23,346 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 529 552) no Hoare annotation was computed. [2020-07-20 13:02:23,346 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-07-20 13:02:23,346 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 529 552) no Hoare annotation was computed. [2020-07-20 13:02:23,346 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-20 13:02:23,346 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-20 13:02:23,346 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-07-20 13:02:23,346 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-20 13:02:23,346 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-20 13:02:23,346 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-07-20 13:02:23,346 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-20 13:02:23,347 INFO L268 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-07-20 13:02:23,347 INFO L268 CegarLoopResult]: For program point L738-1(line 738) no Hoare annotation was computed. [2020-07-20 13:02:23,347 INFO L268 CegarLoopResult]: For program point L736(lines 736 753) no Hoare annotation was computed. [2020-07-20 13:02:23,347 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 732 756) 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 13:02:23,347 INFO L264 CegarLoopResult]: At program point L751(line 751) 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 .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 13:02:23,347 INFO L268 CegarLoopResult]: For program point L751-1(lines 732 756) no Hoare annotation was computed. [2020-07-20 13:02:23,347 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 732 756) no Hoare annotation was computed. [2020-07-20 13:02:23,348 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 1)) (.cse8 (= 0 ~pumpRunning~0)) (.cse9 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5))) (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (and (<= 2 ~waterLevel~0) .cse8 .cse9)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and .cse8 .cse3 .cse9)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not .cse3))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse1 .cse7 .cse3) (or .cse0 .cse6 .cse4 .cse7 .cse5)))) [2020-07-20 13:02:23,348 INFO L264 CegarLoopResult]: At program point L742(line 742) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) .cse3) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 13:02:23,348 INFO L268 CegarLoopResult]: For program point L740(lines 740 748) no Hoare annotation was computed. [2020-07-20 13:02:23,348 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 13:02:23,348 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (<= 1 ~systemActive~0)) (.cse4 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse2 .cse0) (or .cse1 .cse3 .cse4))) [2020-07-20 13:02:23,349 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2020-07-20 13:02:23,349 INFO L268 CegarLoopResult]: For program point L895(lines 895 901) no Hoare annotation was computed. [2020-07-20 13:02:23,349 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse3 (not (= 0 |old(~systemActive~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= 0 ~pumpRunning~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (<= 1 ~systemActive~0)) (.cse6 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse5 .cse6) (or .cse4 .cse1 .cse7) (or .cse1 .cse2 .cse7) (or .cse2 .cse5 .cse6))) [2020-07-20 13:02:23,349 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2020-07-20 13:02:23,349 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2020-07-20 13:02:23,349 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2020-07-20 13:02:23,350 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2020-07-20 13:02:23,350 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-07-20 13:02:23,350 INFO L268 CegarLoopResult]: For program point L855(lines 855 863) no Hoare annotation was computed. [2020-07-20 13:02:23,350 INFO L268 CegarLoopResult]: For program point L855-2(lines 855 863) no Hoare annotation was computed. [2020-07-20 13:02:23,350 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 836 871) no Hoare annotation was computed. [2020-07-20 13:02:23,350 INFO L268 CegarLoopResult]: For program point L843(lines 843 851) no Hoare annotation was computed. [2020-07-20 13:02:23,350 INFO L268 CegarLoopResult]: For program point L843-2(lines 843 851) no Hoare annotation was computed. [2020-07-20 13:02:23,350 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 836 871) no Hoare annotation was computed. [2020-07-20 13:02:23,350 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 836 871) no Hoare annotation was computed. [2020-07-20 13:02:23,351 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-20 13:02:23,351 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-20 13:02:23,351 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-20 13:02:23,351 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 93 138) no Hoare annotation was computed. [2020-07-20 13:02:23,351 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 93 138) no Hoare annotation was computed. [2020-07-20 13:02:23,351 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 93 138) no Hoare annotation was computed. [2020-07-20 13:02:23,351 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 406 451) no Hoare annotation was computed. [2020-07-20 13:02:23,351 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 406 451) no Hoare annotation was computed. [2020-07-20 13:02:23,351 INFO L268 CegarLoopResult]: For program point L426(lines 426 433) no Hoare annotation was computed. [2020-07-20 13:02:23,352 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 406 451) no Hoare annotation was computed. [2020-07-20 13:02:23,352 INFO L268 CegarLoopResult]: For program point L420(lines 420 440) no Hoare annotation was computed. [2020-07-20 13:02:23,352 INFO L268 CegarLoopResult]: For program point L420-1(lines 420 440) no Hoare annotation was computed. [2020-07-20 13:02:23,352 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 561 571) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:23,352 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 561 571) no Hoare annotation was computed. [2020-07-20 13:02:23,352 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 561 571) no Hoare annotation was computed. [2020-07-20 13:02:23,352 INFO L264 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:23,353 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2020-07-20 13:02:23,353 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2020-07-20 13:02:23,353 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2020-07-20 13:02:23,353 INFO L271 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: true [2020-07-20 13:02:23,353 INFO L268 CegarLoopResult]: For program point L821-1(line 821) no Hoare annotation was computed. [2020-07-20 13:02:23,353 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: true [2020-07-20 13:02:23,353 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2020-07-20 13:02:23,354 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2020-07-20 13:02:23,354 INFO L268 CegarLoopResult]: For program point L683(lines 683 689) no Hoare annotation was computed. [2020-07-20 13:02:23,354 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 679 692) no Hoare annotation was computed. [2020-07-20 13:02:23,354 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 679 692) the Hoare annotation is: true [2020-07-20 13:02:23,354 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 679 692) no Hoare annotation was computed. [2020-07-20 13:02:23,354 INFO L264 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 (not (= 0 ~methaneLevelCritical~0))) (or (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse0 .cse1))) [2020-07-20 13:02:23,354 INFO L268 CegarLoopResult]: For program point L766(lines 766 774) no Hoare annotation was computed. [2020-07-20 13:02:23,355 INFO L264 CegarLoopResult]: At program point L764(line 764) 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 .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 13:02:23,355 INFO L268 CegarLoopResult]: For program point L764-1(line 764) no Hoare annotation was computed. [2020-07-20 13:02:23,355 INFO L268 CegarLoopResult]: For program point L762(lines 762 779) no Hoare annotation was computed. [2020-07-20 13:02:23,355 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 758 782) no Hoare annotation was computed. [2020-07-20 13:02:23,355 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 758 782) 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 13:02:23,355 INFO L264 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 13:02:23,355 INFO L268 CegarLoopResult]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2020-07-20 13:02:23,356 INFO L264 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 13:02:23,356 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2020-07-20 13:02:23,356 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2020-07-20 13:02:23,356 INFO L264 CegarLoopResult]: At program point L929(line 929) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse4 .cse1) (and .cse3 .cse5 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:23,356 INFO L264 CegarLoopResult]: At program point testENTRY(lines 907 972) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:23,356 INFO L268 CegarLoopResult]: For program point L927(lines 927 933) no Hoare annotation was computed. [2020-07-20 13:02:23,356 INFO L268 CegarLoopResult]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2020-07-20 13:02:23,357 INFO L268 CegarLoopResult]: For program point L919(lines 919 923) no Hoare annotation was computed. [2020-07-20 13:02:23,357 INFO L268 CegarLoopResult]: For program point testFINAL(lines 907 972) no Hoare annotation was computed. [2020-07-20 13:02:23,357 INFO L264 CegarLoopResult]: At program point L965(lines 916 966) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:02:23,357 INFO L264 CegarLoopResult]: At program point L955(line 955) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and .cse3 .cse4 .cse1) (and .cse5 .cse3 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse1 .cse2) (and .cse0 .cse5 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:23,357 INFO L268 CegarLoopResult]: For program point L953(lines 953 959) no Hoare annotation was computed. [2020-07-20 13:02:23,357 INFO L264 CegarLoopResult]: At program point L953-1(lines 947 960) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~systemActive~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse5 .cse1) (and .cse3 .cse4 .cse5 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:23,357 INFO L268 CegarLoopResult]: For program point L918(lines 917 964) no Hoare annotation was computed. [2020-07-20 13:02:23,358 INFO L268 CegarLoopResult]: For program point L947(lines 947 960) no Hoare annotation was computed. [2020-07-20 13:02:23,358 INFO L264 CegarLoopResult]: At program point L939(line 939) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse4 .cse1) (and .cse3 .cse5 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:23,358 INFO L268 CegarLoopResult]: For program point L937(lines 937 943) no Hoare annotation was computed. [2020-07-20 13:02:23,358 INFO L268 CegarLoopResult]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2020-07-20 13:02:23,358 INFO L268 CegarLoopResult]: For program point testEXIT(lines 907 972) no Hoare annotation was computed. [2020-07-20 13:02:23,358 INFO L264 CegarLoopResult]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse2 (<= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse4 .cse1) (and .cse3 .cse5 .cse4 .cse1) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:02:23,358 INFO L268 CegarLoopResult]: For program point L380(lines 380 387) no Hoare annotation was computed. [2020-07-20 13:02:23,358 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 360 405) no Hoare annotation was computed. [2020-07-20 13:02:23,359 INFO L268 CegarLoopResult]: For program point L374(lines 374 394) no Hoare annotation was computed. [2020-07-20 13:02:23,359 INFO L268 CegarLoopResult]: For program point L374-1(lines 374 394) no Hoare annotation was computed. [2020-07-20 13:02:23,359 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 360 405) no Hoare annotation was computed. [2020-07-20 13:02:23,359 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 360 405) no Hoare annotation was computed. [2020-07-20 13:02:23,359 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 783 790) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 13:02:23,359 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 783 790) no Hoare annotation was computed. [2020-07-20 13:02:23,359 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 783 790) no Hoare annotation was computed. [2020-07-20 13:02:23,359 INFO L264 CegarLoopResult]: At program point L479(line 479) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse0 .cse4) (or .cse1 .cse3 .cse2))) [2020-07-20 13:02:23,360 INFO L268 CegarLoopResult]: For program point L477(lines 477 483) no Hoare annotation was computed. [2020-07-20 13:02:23,360 INFO L268 CegarLoopResult]: For program point L476(lines 476 486) no Hoare annotation was computed. [2020-07-20 13:02:23,360 INFO L264 CegarLoopResult]: At program point L474(line 474) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~systemActive~0)) .cse0 (not (= 0 ~pumpRunning~0))) (or (not (<= 1 ~systemActive~0)) .cse0))) [2020-07-20 13:02:23,360 INFO L268 CegarLoopResult]: For program point L474-1(line 474) no Hoare annotation was computed. [2020-07-20 13:02:23,360 INFO L268 CegarLoopResult]: For program point L472(lines 472 489) no Hoare annotation was computed. [2020-07-20 13:02:23,360 INFO L268 CegarLoopResult]: For program point L472-1(lines 464 492) no Hoare annotation was computed. [2020-07-20 13:02:23,360 INFO L271 CegarLoopResult]: At program point L470(line 470) the Hoare annotation is: true [2020-07-20 13:02:23,360 INFO L268 CegarLoopResult]: For program point L470-1(line 470) no Hoare annotation was computed. [2020-07-20 13:02:23,360 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 464 492) the Hoare annotation is: true [2020-07-20 13:02:23,360 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 464 492) no Hoare annotation was computed. [2020-07-20 13:02:23,361 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 456 463) the Hoare annotation is: true [2020-07-20 13:02:23,361 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 456 463) no Hoare annotation was computed. [2020-07-20 13:02:23,361 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 456 463) no Hoare annotation was computed. [2020-07-20 13:02:23,361 INFO L268 CegarLoopResult]: For program point L655(lines 655 663) no Hoare annotation was computed. [2020-07-20 13:02:23,361 INFO L268 CegarLoopResult]: For program point L655-2(lines 655 663) no Hoare annotation was computed. [2020-07-20 13:02:23,361 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 647 669) no Hoare annotation was computed. [2020-07-20 13:02:23,361 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 647 669) no Hoare annotation was computed. [2020-07-20 13:02:23,361 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 647 669) no Hoare annotation was computed. [2020-07-20 13:02:23,362 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-20 13:02:23,362 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-20 13:02:23,362 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-20 13:02:23,362 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-07-20 13:02:23,362 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 257 359) no Hoare annotation was computed. [2020-07-20 13:02:23,362 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-07-20 13:02:23,362 INFO L268 CegarLoopResult]: For program point L345(lines 345 356) no Hoare annotation was computed. [2020-07-20 13:02:23,362 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-07-20 13:02:23,362 INFO L268 CegarLoopResult]: For program point L306-2(lines 306 326) no Hoare annotation was computed. [2020-07-20 13:02:23,363 INFO L268 CegarLoopResult]: For program point L327(lines 305 328) no Hoare annotation was computed. [2020-07-20 13:02:23,363 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 257 359) no Hoare annotation was computed. [2020-07-20 13:02:23,363 INFO L268 CegarLoopResult]: For program point L286(lines 286 302) no Hoare annotation was computed. [2020-07-20 13:02:23,363 INFO L268 CegarLoopResult]: For program point L346(lines 346 353) no Hoare annotation was computed. [2020-07-20 13:02:23,363 INFO L268 CegarLoopResult]: For program point L307(lines 306 326) no Hoare annotation was computed. [2020-07-20 13:02:23,363 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-07-20 13:02:23,363 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 257 359) no Hoare annotation was computed. [2020-07-20 13:02:23,363 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-07-20 13:02:23,363 INFO L268 CegarLoopResult]: For program point L303(lines 303 344) no Hoare annotation was computed. [2020-07-20 13:02:23,363 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-07-20 13:02:23,364 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:23,364 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= |old(~waterLevel~0)| ~waterLevel~0) [2020-07-20 13:02:23,364 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:23,364 INFO L268 CegarLoopResult]: For program point L802-1(lines 791 807) no Hoare annotation was computed. [2020-07-20 13:02:23,364 INFO L268 CegarLoopResult]: For program point L798(lines 798 804) no Hoare annotation was computed. [2020-07-20 13:02:23,364 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-20 13:02:23,364 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 791 807) no Hoare annotation was computed. [2020-07-20 13:02:23,364 INFO L268 CegarLoopResult]: For program point L796-1(line 796) no Hoare annotation was computed. [2020-07-20 13:02:23,364 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 791 807) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-20 13:02:23,365 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-07-20 13:02:23,365 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 670 678) no Hoare annotation was computed. [2020-07-20 13:02:23,365 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 670 678) no Hoare annotation was computed. [2020-07-20 13:02:23,365 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 670 678) no Hoare annotation was computed. [2020-07-20 13:02:23,365 INFO L268 CegarLoopResult]: For program point L881(lines 881 885) no Hoare annotation was computed. [2020-07-20 13:02:23,365 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2020-07-20 13:02:23,365 INFO L271 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: true [2020-07-20 13:02:23,366 INFO L268 CegarLoopResult]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2020-07-20 13:02:23,366 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-07-20 13:02:23,366 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2020-07-20 13:02:23,366 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2020-07-20 13:02:23,366 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:23,366 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:02:23,366 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:23,366 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 626 637) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2) (or .cse5 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse6))) [2020-07-20 13:02:23,366 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 626 637) no Hoare annotation was computed. [2020-07-20 13:02:23,367 INFO L268 CegarLoopResult]: For program point L630-1(lines 626 637) no Hoare annotation was computed. [2020-07-20 13:02:23,367 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 638 646) the Hoare annotation is: true [2020-07-20 13:02:23,367 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 638 646) no Hoare annotation was computed. [2020-07-20 13:02:23,367 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 638 646) no Hoare annotation was computed. [2020-07-20 13:02:23,367 INFO L268 CegarLoopResult]: For program point L704(lines 703 722) no Hoare annotation was computed. [2020-07-20 13:02:23,367 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 700 723) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (and .cse3 .cse7)) (.cse8 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse7) (or .cse4 .cse1 .cse8 .cse2 .cse6) (or .cse0 .cse2 .cse5 .cse3) (or .cse4 .cse8 .cse2 .cse5 .cse6) (or .cse1 .cse9 .cse8 .cse2) (or .cse9 .cse8 .cse2 .cse5) (or .cse4 .cse0 .cse1 .cse6) (or .cse0 .cse1 .cse7)))) [2020-07-20 13:02:23,367 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2020-07-20 13:02:23,368 INFO L264 CegarLoopResult]: At program point L713(line 713) the Hoare annotation is: (let ((.cse4 (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (<= 1 ~waterLevel~0)) (.cse9 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2 .cse5) (or .cse6 .cse3 .cse5 .cse7) (or .cse3 .cse0 .cse8 .cse9) (or .cse3 .cse0 .cse4 .cse2) (or .cse1 .cse2 .cse5) (or .cse3 .cse5 .cse8 .cse9) (or .cse6 .cse3 .cse0 .cse7))) [2020-07-20 13:02:23,368 INFO L264 CegarLoopResult]: At program point L711(lines 711 717) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse8 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (<= ~waterLevel~0 1)) (.cse9 (and .cse5 .cse8)) (.cse6 (not (= 0 ~systemActive~0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse11 (<= 1 ~waterLevel~0)) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 (and .cse5 .cse3)) (or .cse0 .cse4 .cse6 .cse7 .cse3) (or .cse0 .cse6 .cse7 .cse2 .cse3) (or .cse1 (and (<= 2 ~waterLevel~0) .cse8) .cse9 .cse7 .cse2) (or .cse4 .cse9 .cse6 .cse7) (or .cse9 .cse6 .cse7 .cse2) (or .cse1 .cse4 .cse7 .cse8) (or .cse1 .cse4 .cse10 (and .cse11 .cse5)) (or .cse1 .cse2 .cse11 .cse10)))) [2020-07-20 13:02:23,368 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 700 723) no Hoare annotation was computed. [2020-07-20 13:02:23,368 INFO L264 CegarLoopResult]: At program point L706(line 706) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (<= ~waterLevel~0 1)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse7) (or .cse0 .cse2 .cse5) (or .cse3 .cse2 .cse5) (or .cse4 .cse0 .cse1 .cse6) (or .cse0 .cse1 .cse7))) [2020-07-20 13:02:23,368 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 496 525) no Hoare annotation was computed. [2020-07-20 13:02:23,368 INFO L268 CegarLoopResult]: For program point L510(lines 510 514) no Hoare annotation was computed. [2020-07-20 13:02:23,368 INFO L271 CegarLoopResult]: At program point L510-1(lines 510 514) the Hoare annotation is: true [2020-07-20 13:02:23,369 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 496 525) the Hoare annotation is: true [2020-07-20 13:02:23,369 INFO L268 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-07-20 13:02:23,369 INFO L271 CegarLoopResult]: At program point L506-2(lines 506 520) the Hoare annotation is: true [2020-07-20 13:02:23,369 INFO L271 CegarLoopResult]: At program point L502(line 502) the Hoare annotation is: true [2020-07-20 13:02:23,369 INFO L268 CegarLoopResult]: For program point L502-1(line 502) no Hoare annotation was computed. [2020-07-20 13:02:23,369 INFO L271 CegarLoopResult]: At program point L521(lines 496 525) the Hoare annotation is: true [2020-07-20 13:02:23,369 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 13:02:23,369 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 602 613) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse5 .cse3) (or .cse1 .cse5 .cse4))) [2020-07-20 13:02:23,369 INFO L268 CegarLoopResult]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2020-07-20 13:02:23,370 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 602 613) no Hoare annotation was computed. [2020-07-20 13:02:23,370 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 553 559) no Hoare annotation was computed. [2020-07-20 13:02:23,370 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 553 559) the Hoare annotation is: true [2020-07-20 13:02:23,370 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:02:23,370 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:02:23,370 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:02:23,370 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:02:23,370 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 614 625) no Hoare annotation was computed. [2020-07-20 13:02:23,371 INFO L268 CegarLoopResult]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2020-07-20 13:02:23,371 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 614 625) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (= 0 ~systemActive~0))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (<= ~waterLevel~0 1)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse2) (or .cse4 .cse0 .cse7 .cse6) (or .cse0 .cse7 .cse3) (or .cse4 .cse0 .cse1 .cse6 .cse2) (or .cse5 .cse7 .cse2 .cse3) (or .cse1 .cse5 .cse2 .cse3) (or .cse4 .cse5 .cse7 .cse6 .cse2))) [2020-07-20 13:02:23,371 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:02:23,371 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 13:02:23,371 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 13:02:23,371 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 13:02:23,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:02:23 BoogieIcfgContainer [2020-07-20 13:02:23,389 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:02:23,391 INFO L168 Benchmark]: Toolchain (without parser) took 22509.25 ms. Allocated memory was 137.4 MB in the beginning and 542.1 MB in the end (delta: 404.8 MB). Free memory was 101.0 MB in the beginning and 273.4 MB in the end (delta: -172.4 MB). Peak memory consumption was 439.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:23,392 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 13:02:23,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.20 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 167.9 MB in the end (delta: -67.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:23,393 INFO L168 Benchmark]: Boogie Preprocessor took 92.73 ms. Allocated memory is still 200.8 MB. Free memory was 167.9 MB in the beginning and 163.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:23,394 INFO L168 Benchmark]: RCFGBuilder took 1170.57 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 163.7 MB in the beginning and 191.4 MB in the end (delta: -27.7 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:23,395 INFO L168 Benchmark]: TraceAbstraction took 20557.77 ms. Allocated memory was 232.3 MB in the beginning and 542.1 MB in the end (delta: 309.9 MB). Free memory was 191.4 MB in the beginning and 273.4 MB in the end (delta: -82.0 MB). Peak memory consumption was 434.5 MB. Max. memory is 7.1 GB. [2020-07-20 13:02:23,398 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 679.20 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 100.5 MB in the beginning and 167.9 MB in the end (delta: -67.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.73 ms. Allocated memory is still 200.8 MB. Free memory was 167.9 MB in the beginning and 163.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1170.57 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 163.7 MB in the beginning and 191.4 MB in the end (delta: -27.7 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20557.77 ms. Allocated memory was 232.3 MB in the beginning and 542.1 MB in the end (delta: 309.9 MB). Free memory was 191.4 MB in the beginning and 273.4 MB in the end (delta: -82.0 MB). Peak memory consumption was 434.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 917]: 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)) || (((0 == methaneLevelCritical && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || (((1 <= methaneLevelCritical && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 243 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.9s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2271 SDtfs, 992 SDslu, 4684 SDs, 0 SdLazy, 1332 SolverSat, 229 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1104 GetRequests, 1057 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2711occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 281 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 6423 PreInvPairs, 6676 NumberOfFragments, 2335 HoareAnnotationTreeSize, 6423 FomulaSimplifications, 3803 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 65 FomulaSimplificationsInter, 14883 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1108 NumberOfCodeBlocks, 947 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 1096 ConstructedInterpolants, 0 QuantifiedInterpolants, 177004 SizeOfPredicates, 30 NumberOfNonLiveVariables, 9029 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 88/88 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...