/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_spec1_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:00:57,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:00:57,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:00:57,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:00:57,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:00:57,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:00:57,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:00:57,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:00:57,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:00:57,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:00:57,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:00:57,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:00:57,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:00:57,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:00:57,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:00:57,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:00:57,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:00:57,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:00:57,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:00:57,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:00:57,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:00:57,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:00:57,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:00:57,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:00:57,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:00:57,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:00:57,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:00:57,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:00:57,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:00:57,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:00:57,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:00:57,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:00:57,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:00:57,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:00:57,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:00:57,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:00:57,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:00:57,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:00:57,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:00:57,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:00:57,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:00:57,475 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 13:00:57,490 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:00:57,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:00:57,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:00:57,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:00:57,492 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:00:57,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:00:57,492 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:00:57,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:00:57,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:00:57,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:00:57,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:00:57,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:00:57,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:00:57,494 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:00:57,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:00:57,494 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:00:57,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:00:57,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:00:57,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:00:57,495 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:00:57,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:00:57,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:00:57,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:00:57,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:00:57,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:00:57,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:00:57,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:00:57,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:00:57,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:00:57,497 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 13:00:57,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:00:57,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:00:57,810 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:00:57,811 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:00:57,814 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:00:57,815 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2020-07-20 13:00:57,882 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11938f7f9/7fb4de85c328477aa7ee5fa3deb220c8/FLAGd857b4ba7 [2020-07-20 13:00:58,395 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:00:58,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2020-07-20 13:00:58,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11938f7f9/7fb4de85c328477aa7ee5fa3deb220c8/FLAGd857b4ba7 [2020-07-20 13:00:58,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11938f7f9/7fb4de85c328477aa7ee5fa3deb220c8 [2020-07-20 13:00:58,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:00:58,678 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:00:58,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:00:58,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:00:58,683 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:00:58,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:00:58" (1/1) ... [2020-07-20 13:00:58,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d808fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:58, skipping insertion in model container [2020-07-20 13:00:58,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:00:58" (1/1) ... [2020-07-20 13:00:58,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:00:58,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:00:59,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:00:59,258 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:00:59,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:00:59,379 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:00:59,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59 WrapperNode [2020-07-20 13:00:59,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:00:59,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:00:59,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:00:59,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:00:59,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (1/1) ... [2020-07-20 13:00:59,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (1/1) ... [2020-07-20 13:00:59,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (1/1) ... [2020-07-20 13:00:59,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (1/1) ... [2020-07-20 13:00:59,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (1/1) ... [2020-07-20 13:00:59,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (1/1) ... [2020-07-20 13:00:59,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (1/1) ... [2020-07-20 13:00:59,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:00:59,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:00:59,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:00:59,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:00:59,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (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 13:00:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:00:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:00:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:00:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-20 13:00:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:00:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:00:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:00:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:00:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:00:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:00:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:00:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:00:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:00:59,563 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:00:59,564 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:00:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:00:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:00:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:00:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:00:59,565 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:00:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 13:00:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:00:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:00:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:00:59,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:00:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:00:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:00:59,567 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 13:00:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:00:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:00:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:00:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:00:59,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:00:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:00:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:00:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:00:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:00:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:00:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:00:59,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:00:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:00:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:00:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:00:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:00:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:00:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:00:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-20 13:00:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:00:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:00:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:00:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:00:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:00:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:00:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:00:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:00:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:00:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:00:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:00:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:00:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:00:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:00:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:00:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 13:00:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:00:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:00:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:00:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 13:00:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:00:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 13:00:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:00:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:00:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:00:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:00:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:00:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:00:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:00:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:00:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:00:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:00:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:00:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:00:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:00:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:00:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:00:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:00:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:00:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:00:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:00:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:00:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:00:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:00:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:00:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:00:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:01:00,686 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:01:00,686 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:01:00,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:00 BoogieIcfgContainer [2020-07-20 13:01:00,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:01:00,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:01:00,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:01:00,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:01:00,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:00:58" (1/3) ... [2020-07-20 13:01:00,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e2acc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:00, skipping insertion in model container [2020-07-20 13:01:00,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:00:59" (2/3) ... [2020-07-20 13:01:00,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e2acc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:01:00, skipping insertion in model container [2020-07-20 13:01:00,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:01:00" (3/3) ... [2020-07-20 13:01:00,699 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2020-07-20 13:01:00,710 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:01:00,718 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:01:00,732 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:01:00,758 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:01:00,758 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:01:00,758 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:01:00,758 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:01:00,759 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:01:00,759 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:01:00,759 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:01:00,759 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:01:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-07-20 13:01:00,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 13:01:00,795 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:00,796 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:00,797 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:00,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:00,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1070296044, now seen corresponding path program 1 times [2020-07-20 13:01:00,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:00,814 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173726731] [2020-07-20 13:01:00,814 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 13:01:01,332 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:01,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:01,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:01:01,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:01,378 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 13:01:01,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:01,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173726731] [2020-07-20 13:01:01,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:01,381 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:01:01,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827010987] [2020-07-20 13:01:01,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:01:01,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:01,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:01:01,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:01:01,405 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 2 states. [2020-07-20 13:01:01,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:01,450 INFO L93 Difference]: Finished difference Result 272 states and 341 transitions. [2020-07-20 13:01:01,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:01:01,451 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 13:01:01,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:01,464 INFO L225 Difference]: With dead ends: 272 [2020-07-20 13:01:01,465 INFO L226 Difference]: Without dead ends: 136 [2020-07-20 13:01:01,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:01:01,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-07-20 13:01:01,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-07-20 13:01:01,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-20 13:01:01,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 162 transitions. [2020-07-20 13:01:01,528 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 162 transitions. Word has length 46 [2020-07-20 13:01:01,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:01,528 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 162 transitions. [2020-07-20 13:01:01,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:01:01,529 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2020-07-20 13:01:01,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 13:01:01,533 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:01,533 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:01:01,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:01,747 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:01,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:01,748 INFO L82 PathProgramCache]: Analyzing trace with hash 689119196, now seen corresponding path program 1 times [2020-07-20 13:01:01,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:01,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823504821] [2020-07-20 13:01:01,750 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 13:01:02,219 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:02,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:02,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:01:02,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:02,278 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 13:01:02,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:02,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823504821] [2020-07-20 13:01:02,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:02,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:02,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772586078] [2020-07-20 13:01:02,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:02,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:02,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:02,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:02,283 INFO L87 Difference]: Start difference. First operand 136 states and 162 transitions. Second operand 3 states. [2020-07-20 13:01:02,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:02,310 INFO L93 Difference]: Finished difference Result 215 states and 255 transitions. [2020-07-20 13:01:02,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:02,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 13:01:02,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:02,313 INFO L225 Difference]: With dead ends: 215 [2020-07-20 13:01:02,313 INFO L226 Difference]: Without dead ends: 127 [2020-07-20 13:01:02,316 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:02,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-20 13:01:02,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2020-07-20 13:01:02,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-20 13:01:02,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 150 transitions. [2020-07-20 13:01:02,339 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 150 transitions. Word has length 47 [2020-07-20 13:01:02,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:02,340 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 150 transitions. [2020-07-20 13:01:02,340 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:02,340 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2020-07-20 13:01:02,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 13:01:02,347 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:02,347 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 13:01:02,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:02,564 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:02,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:02,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1659347680, now seen corresponding path program 1 times [2020-07-20 13:01:02,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:02,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1864965051] [2020-07-20 13:01:02,567 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 13:01:03,000 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:03,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:03,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:01:03,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:03,037 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 13:01:03,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:03,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1864965051] [2020-07-20 13:01:03,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:03,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:03,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094685245] [2020-07-20 13:01:03,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:03,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:03,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:03,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:03,040 INFO L87 Difference]: Start difference. First operand 127 states and 150 transitions. Second operand 3 states. [2020-07-20 13:01:03,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:03,075 INFO L93 Difference]: Finished difference Result 331 states and 402 transitions. [2020-07-20 13:01:03,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:03,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-07-20 13:01:03,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:03,086 INFO L225 Difference]: With dead ends: 331 [2020-07-20 13:01:03,086 INFO L226 Difference]: Without dead ends: 228 [2020-07-20 13:01:03,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 13:01:03,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-07-20 13:01:03,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 224. [2020-07-20 13:01:03,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-07-20 13:01:03,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 271 transitions. [2020-07-20 13:01:03,149 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 271 transitions. Word has length 51 [2020-07-20 13:01:03,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:03,150 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 271 transitions. [2020-07-20 13:01:03,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 271 transitions. [2020-07-20 13:01:03,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 13:01:03,157 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:03,158 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] [2020-07-20 13:01:03,358 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:03,359 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:03,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:03,360 INFO L82 PathProgramCache]: Analyzing trace with hash -2103406603, now seen corresponding path program 1 times [2020-07-20 13:01:03,360 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:03,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [550206396] [2020-07-20 13:01:03,361 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 13:01:03,891 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:03,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:03,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:01:03,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:03,946 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 13:01:03,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:03,947 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [550206396] [2020-07-20 13:01:03,947 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:03,947 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:03,947 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622231491] [2020-07-20 13:01:03,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:03,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:03,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:03,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:03,949 INFO L87 Difference]: Start difference. First operand 224 states and 271 transitions. Second operand 6 states. [2020-07-20 13:01:04,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:04,237 INFO L93 Difference]: Finished difference Result 548 states and 689 transitions. [2020-07-20 13:01:04,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:01:04,239 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-20 13:01:04,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:04,245 INFO L225 Difference]: With dead ends: 548 [2020-07-20 13:01:04,245 INFO L226 Difference]: Without dead ends: 348 [2020-07-20 13:01:04,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 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 13:01:04,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-07-20 13:01:04,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 338. [2020-07-20 13:01:04,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-07-20 13:01:04,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 409 transitions. [2020-07-20 13:01:04,305 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 409 transitions. Word has length 57 [2020-07-20 13:01:04,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:04,306 INFO L479 AbstractCegarLoop]: Abstraction has 338 states and 409 transitions. [2020-07-20 13:01:04,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:04,306 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 409 transitions. [2020-07-20 13:01:04,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 13:01:04,311 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:04,311 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] [2020-07-20 13:01:04,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:04,525 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:04,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:04,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1083117360, now seen corresponding path program 1 times [2020-07-20 13:01:04,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:04,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1202850967] [2020-07-20 13:01:04,527 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 13:01:04,820 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:04,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:04,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:01:04,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:04,855 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 13:01:04,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:04,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1202850967] [2020-07-20 13:01:04,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:04,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:04,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685262341] [2020-07-20 13:01:04,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:04,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:04,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:04,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:04,858 INFO L87 Difference]: Start difference. First operand 338 states and 409 transitions. Second operand 3 states. [2020-07-20 13:01:04,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:04,911 INFO L93 Difference]: Finished difference Result 958 states and 1241 transitions. [2020-07-20 13:01:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:04,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-07-20 13:01:04,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:04,918 INFO L225 Difference]: With dead ends: 958 [2020-07-20 13:01:04,918 INFO L226 Difference]: Without dead ends: 644 [2020-07-20 13:01:04,920 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 91 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 13:01:04,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2020-07-20 13:01:04,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 641. [2020-07-20 13:01:04,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 641 states. [2020-07-20 13:01:04,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 812 transitions. [2020-07-20 13:01:04,988 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 812 transitions. Word has length 94 [2020-07-20 13:01:04,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:04,989 INFO L479 AbstractCegarLoop]: Abstraction has 641 states and 812 transitions. [2020-07-20 13:01:04,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:04,989 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 812 transitions. [2020-07-20 13:01:04,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 13:01:04,992 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:04,992 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] [2020-07-20 13:01:05,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:05,204 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:05,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:05,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1090876719, now seen corresponding path program 1 times [2020-07-20 13:01:05,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:05,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359007564] [2020-07-20 13:01:05,206 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 13:01:05,493 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:05,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:05,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:01:05,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:05,535 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 13:01:05,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:05,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359007564] [2020-07-20 13:01:05,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:05,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:05,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948244859] [2020-07-20 13:01:05,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:05,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:05,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:05,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:05,539 INFO L87 Difference]: Start difference. First operand 641 states and 812 transitions. Second operand 6 states. [2020-07-20 13:01:05,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:05,600 INFO L93 Difference]: Finished difference Result 1286 states and 1714 transitions. [2020-07-20 13:01:05,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:01:05,600 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-07-20 13:01:05,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:05,612 INFO L225 Difference]: With dead ends: 1286 [2020-07-20 13:01:05,612 INFO L226 Difference]: Without dead ends: 669 [2020-07-20 13:01:05,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 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 13:01:05,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2020-07-20 13:01:05,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 661. [2020-07-20 13:01:05,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-07-20 13:01:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 834 transitions. [2020-07-20 13:01:05,674 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 834 transitions. Word has length 94 [2020-07-20 13:01:05,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:05,675 INFO L479 AbstractCegarLoop]: Abstraction has 661 states and 834 transitions. [2020-07-20 13:01:05,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:05,675 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 834 transitions. [2020-07-20 13:01:05,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 13:01:05,678 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:05,678 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] [2020-07-20 13:01:05,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:05,892 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:05,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:05,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1984363057, now seen corresponding path program 1 times [2020-07-20 13:01:05,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:05,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60062355] [2020-07-20 13:01:05,893 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 13:01:06,181 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:01:06,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:06,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:01:06,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:06,236 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 13:01:06,237 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:06,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [60062355] [2020-07-20 13:01:06,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:06,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:01:06,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346946504] [2020-07-20 13:01:06,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:01:06,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:06,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:01:06,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:01:06,239 INFO L87 Difference]: Start difference. First operand 661 states and 834 transitions. Second operand 5 states. [2020-07-20 13:01:06,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:06,286 INFO L93 Difference]: Finished difference Result 1252 states and 1626 transitions. [2020-07-20 13:01:06,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:01:06,286 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2020-07-20 13:01:06,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:06,296 INFO L225 Difference]: With dead ends: 1252 [2020-07-20 13:01:06,296 INFO L226 Difference]: Without dead ends: 615 [2020-07-20 13:01:06,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 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 13:01:06,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2020-07-20 13:01:06,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 615. [2020-07-20 13:01:06,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2020-07-20 13:01:06,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 762 transitions. [2020-07-20 13:01:06,363 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 762 transitions. Word has length 94 [2020-07-20 13:01:06,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:06,363 INFO L479 AbstractCegarLoop]: Abstraction has 615 states and 762 transitions. [2020-07-20 13:01:06,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:01:06,364 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 762 transitions. [2020-07-20 13:01:06,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 13:01:06,367 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:06,367 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] [2020-07-20 13:01:06,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:06,582 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:06,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:06,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1215984684, now seen corresponding path program 1 times [2020-07-20 13:01:06,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:06,584 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1457546240] [2020-07-20 13:01:06,584 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 13:01:06,875 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:06,876 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:06,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 13:01:06,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:06,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 13:01:06,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:06,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1457546240] [2020-07-20 13:01:06,938 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:06,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:01:06,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075755063] [2020-07-20 13:01:06,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:01:06,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:06,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:01:06,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:01:06,942 INFO L87 Difference]: Start difference. First operand 615 states and 762 transitions. Second operand 6 states. [2020-07-20 13:01:07,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:07,182 INFO L93 Difference]: Finished difference Result 1762 states and 2244 transitions. [2020-07-20 13:01:07,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:01:07,183 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2020-07-20 13:01:07,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:07,190 INFO L225 Difference]: With dead ends: 1762 [2020-07-20 13:01:07,191 INFO L226 Difference]: Without dead ends: 1171 [2020-07-20 13:01:07,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 93 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 13:01:07,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2020-07-20 13:01:07,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1155. [2020-07-20 13:01:07,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1155 states. [2020-07-20 13:01:07,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1438 transitions. [2020-07-20 13:01:07,260 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1438 transitions. Word has length 98 [2020-07-20 13:01:07,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:07,261 INFO L479 AbstractCegarLoop]: Abstraction has 1155 states and 1438 transitions. [2020-07-20 13:01:07,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:01:07,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1438 transitions. [2020-07-20 13:01:07,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-20 13:01:07,264 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:07,264 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] [2020-07-20 13:01:07,478 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:07,479 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:07,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:07,480 INFO L82 PathProgramCache]: Analyzing trace with hash 860662504, now seen corresponding path program 1 times [2020-07-20 13:01:07,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:07,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427412455] [2020-07-20 13:01:07,481 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 13:01:07,809 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:07,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:07,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 13:01:07,815 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:07,894 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 13:01:07,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:07,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427412455] [2020-07-20 13:01:07,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:07,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 13:01:07,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261074654] [2020-07-20 13:01:07,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 13:01:07,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:07,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 13:01:07,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:01:07,896 INFO L87 Difference]: Start difference. First operand 1155 states and 1438 transitions. Second operand 8 states. [2020-07-20 13:01:08,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:08,216 INFO L93 Difference]: Finished difference Result 2274 states and 2848 transitions. [2020-07-20 13:01:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 13:01:08,217 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2020-07-20 13:01:08,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:08,224 INFO L225 Difference]: With dead ends: 2274 [2020-07-20 13:01:08,224 INFO L226 Difference]: Without dead ends: 1143 [2020-07-20 13:01:08,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 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 13:01:08,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2020-07-20 13:01:08,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1143. [2020-07-20 13:01:08,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2020-07-20 13:01:08,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1402 transitions. [2020-07-20 13:01:08,283 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1402 transitions. Word has length 102 [2020-07-20 13:01:08,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:08,283 INFO L479 AbstractCegarLoop]: Abstraction has 1143 states and 1402 transitions. [2020-07-20 13:01:08,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 13:01:08,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1402 transitions. [2020-07-20 13:01:08,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-07-20 13:01:08,288 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:08,289 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] [2020-07-20 13:01:08,501 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:08,502 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:08,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:08,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1474138273, now seen corresponding path program 1 times [2020-07-20 13:01:08,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:08,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1568577220] [2020-07-20 13:01:08,504 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 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 13:01:08,755 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:01:08,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:08,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 13:01:08,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:08,792 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 13:01:08,792 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:08,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1568577220] [2020-07-20 13:01:08,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:08,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:01:08,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574071298] [2020-07-20 13:01:08,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:01:08,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:08,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:01:08,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:01:08,796 INFO L87 Difference]: Start difference. First operand 1143 states and 1402 transitions. Second operand 3 states. [2020-07-20 13:01:08,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:08,883 INFO L93 Difference]: Finished difference Result 1314 states and 1609 transitions. [2020-07-20 13:01:08,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:01:08,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2020-07-20 13:01:08,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:08,888 INFO L225 Difference]: With dead ends: 1314 [2020-07-20 13:01:08,888 INFO L226 Difference]: Without dead ends: 563 [2020-07-20 13:01:08,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 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 13:01:08,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2020-07-20 13:01:08,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 563. [2020-07-20 13:01:08,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-07-20 13:01:08,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 668 transitions. [2020-07-20 13:01:08,922 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 668 transitions. Word has length 135 [2020-07-20 13:01:08,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:08,922 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 668 transitions. [2020-07-20 13:01:08,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:01:08,922 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 668 transitions. [2020-07-20 13:01:08,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-20 13:01:08,926 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:01:08,926 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] [2020-07-20 13:01:09,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:09,141 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:01:09,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:01:09,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1025619864, now seen corresponding path program 1 times [2020-07-20 13:01:09,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:01:09,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312150851] [2020-07-20 13:01:09,142 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 13:01:09,496 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:01:09,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:01:09,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 13:01:09,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:01:09,585 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 13:01:09,585 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:01:09,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1312150851] [2020-07-20 13:01:09,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:01:09,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 13:01:09,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681363982] [2020-07-20 13:01:09,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 13:01:09,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:01:09,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 13:01:09,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:01:09,588 INFO L87 Difference]: Start difference. First operand 563 states and 668 transitions. Second operand 8 states. [2020-07-20 13:01:09,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:01:09,995 INFO L93 Difference]: Finished difference Result 1027 states and 1231 transitions. [2020-07-20 13:01:09,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 13:01:09,996 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2020-07-20 13:01:09,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:01:09,997 INFO L225 Difference]: With dead ends: 1027 [2020-07-20 13:01:09,997 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:01:10,000 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 145 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 13:01:10,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:01:10,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:01:10,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:01:10,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:01:10,002 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2020-07-20 13:01:10,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:01:10,002 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:01:10,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 13:01:10,003 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:01:10,003 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:01:10,217 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:01:10,221 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:01:12,035 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 31 [2020-07-20 13:01:12,191 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 23 [2020-07-20 13:01:12,468 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2020-07-20 13:01:12,652 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2020-07-20 13:01:12,891 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2020-07-20 13:01:13,327 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 27 [2020-07-20 13:01:13,468 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2020-07-20 13:01:13,972 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-20 13:01:14,020 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-20 13:01:14,020 INFO L268 CegarLoopResult]: For program point L576-2(lines 576 597) no Hoare annotation was computed. [2020-07-20 13:01:14,020 INFO L268 CegarLoopResult]: For program point L598(lines 575 599) no Hoare annotation was computed. [2020-07-20 13:01:14,020 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 551 606) no Hoare annotation was computed. [2020-07-20 13:01:14,021 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 551 606) no Hoare annotation was computed. [2020-07-20 13:01:14,021 INFO L268 CegarLoopResult]: For program point L582(lines 582 586) no Hoare annotation was computed. [2020-07-20 13:01:14,021 INFO L268 CegarLoopResult]: For program point L582-1(lines 582 586) no Hoare annotation was computed. [2020-07-20 13:01:14,021 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 551 606) no Hoare annotation was computed. [2020-07-20 13:01:14,021 INFO L268 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-07-20 13:01:14,021 INFO L268 CegarLoopResult]: For program point L639-1(lines 639 643) no Hoare annotation was computed. [2020-07-20 13:01:14,021 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-07-20 13:01:14,021 INFO L268 CegarLoopResult]: For program point L633-2(lines 633 658) no Hoare annotation was computed. [2020-07-20 13:01:14,022 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 607 666) no Hoare annotation was computed. [2020-07-20 13:01:14,022 INFO L268 CegarLoopResult]: For program point L659(lines 632 660) no Hoare annotation was computed. [2020-07-20 13:01:14,022 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 607 666) no Hoare annotation was computed. [2020-07-20 13:01:14,022 INFO L268 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-07-20 13:01:14,022 INFO L268 CegarLoopResult]: For program point L652-1(line 652) no Hoare annotation was computed. [2020-07-20 13:01:14,023 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 607 666) no Hoare annotation was computed. [2020-07-20 13:01:14,023 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2020-07-20 13:01:14,023 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-20 13:01:14,023 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2020-07-20 13:01:14,023 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2020-07-20 13:01:14,024 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2020-07-20 13:01:14,024 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 937 959) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:14,024 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 937 959) no Hoare annotation was computed. [2020-07-20 13:01:14,024 INFO L264 CegarLoopResult]: At program point L949(line 949) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:14,024 INFO L264 CegarLoopResult]: At program point L949-1(line 949) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:14,024 INFO L268 CegarLoopResult]: For program point L947(lines 947 954) no Hoare annotation was computed. [2020-07-20 13:01:14,025 INFO L268 CegarLoopResult]: For program point L947-1(lines 947 954) no Hoare annotation was computed. [2020-07-20 13:01:14,025 INFO L268 CegarLoopResult]: For program point L945(line 945) no Hoare annotation was computed. [2020-07-20 13:01:14,025 INFO L264 CegarLoopResult]: At program point L944(line 944) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:14,025 INFO L264 CegarLoopResult]: At program point L943(line 943) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:14,025 INFO L264 CegarLoopResult]: At program point L943-1(line 943) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:14,025 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 937 959) no Hoare annotation was computed. [2020-07-20 13:01:14,026 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 896 919) no Hoare annotation was computed. [2020-07-20 13:01:14,026 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 896 919) no Hoare annotation was computed. [2020-07-20 13:01:14,026 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 896 919) no Hoare annotation was computed. [2020-07-20 13:01:14,026 INFO L268 CegarLoopResult]: For program point L914(line 914) no Hoare annotation was computed. [2020-07-20 13:01:14,026 INFO L268 CegarLoopResult]: For program point L913(line 913) no Hoare annotation was computed. [2020-07-20 13:01:14,026 INFO L268 CegarLoopResult]: For program point L912(line 912) no Hoare annotation was computed. [2020-07-20 13:01:14,026 INFO L268 CegarLoopResult]: For program point L911(line 911) no Hoare annotation was computed. [2020-07-20 13:01:14,026 INFO L268 CegarLoopResult]: For program point L910(line 910) no Hoare annotation was computed. [2020-07-20 13:01:14,027 INFO L268 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-07-20 13:01:14,027 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-07-20 13:01:14,027 INFO L268 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2020-07-20 13:01:14,027 INFO L268 CegarLoopResult]: For program point L906(line 906) no Hoare annotation was computed. [2020-07-20 13:01:14,027 INFO L268 CegarLoopResult]: For program point L905(line 905) no Hoare annotation was computed. [2020-07-20 13:01:14,027 INFO L268 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-07-20 13:01:14,027 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-07-20 13:01:14,028 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-07-20 13:01:14,028 INFO L268 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-07-20 13:01:14,028 INFO L264 CegarLoopResult]: At program point L275(line 275) 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 13:01:14,028 INFO L268 CegarLoopResult]: For program point L275-1(lines 256 280) no Hoare annotation was computed. [2020-07-20 13:01:14,028 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 256 280) 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 13:01:14,028 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~1) (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-20 13:01:14,029 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 256 280) no Hoare annotation was computed. [2020-07-20 13:01:14,029 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse3) (or .cse0 .cse5 .cse4))) [2020-07-20 13:01:14,029 INFO L268 CegarLoopResult]: For program point L264(lines 264 272) no Hoare annotation was computed. [2020-07-20 13:01:14,029 INFO L264 CegarLoopResult]: At program point L262(line 262) 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 13:01:14,029 INFO L268 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-07-20 13:01:14,029 INFO L268 CegarLoopResult]: For program point L260(lines 260 277) no Hoare annotation was computed. [2020-07-20 13:01:14,029 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 415 429) no Hoare annotation was computed. [2020-07-20 13:01:14,030 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 415 429) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse3 (not (= 0 |old(~systemActive~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (<= 1 ~systemActive~0)) (.cse7 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5) (or .cse4 .cse6 .cse7) (or .cse1 .cse2 .cse5) (or .cse4 .cse1 .cse0 .cse3) (or .cse2 .cse6 .cse7))) [2020-07-20 13:01:14,030 INFO L264 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (<= 1 ~systemActive~0)) (.cse4 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1) (or .cse2 .cse0) (or .cse2 .cse3 .cse4) (or .cse1 .cse3 .cse4))) [2020-07-20 13:01:14,030 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 415 429) no Hoare annotation was computed. [2020-07-20 13:01:14,030 INFO L268 CegarLoopResult]: For program point L419(lines 419 425) no Hoare annotation was computed. [2020-07-20 13:01:14,030 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 351 359) no Hoare annotation was computed. [2020-07-20 13:01:14,030 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 351 359) the Hoare annotation is: true [2020-07-20 13:01:14,031 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 351 359) no Hoare annotation was computed. [2020-07-20 13:01:14,031 INFO L268 CegarLoopResult]: For program point L379(lines 379 387) no Hoare annotation was computed. [2020-07-20 13:01:14,031 INFO L268 CegarLoopResult]: For program point L379-2(lines 379 387) no Hoare annotation was computed. [2020-07-20 13:01:14,031 INFO L268 CegarLoopResult]: For program point L367(lines 367 375) no Hoare annotation was computed. [2020-07-20 13:01:14,031 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 360 395) no Hoare annotation was computed. [2020-07-20 13:01:14,031 INFO L268 CegarLoopResult]: For program point L367-2(lines 367 375) no Hoare annotation was computed. [2020-07-20 13:01:14,031 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 360 395) no Hoare annotation was computed. [2020-07-20 13:01:14,031 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-07-20 13:01:14,032 INFO L268 CegarLoopResult]: For program point L390-1(line 390) no Hoare annotation was computed. [2020-07-20 13:01:14,032 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 360 395) no Hoare annotation was computed. [2020-07-20 13:01:14,032 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2020-07-20 13:01:14,032 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2020-07-20 13:01:14,032 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 505 550) no Hoare annotation was computed. [2020-07-20 13:01:14,032 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 505 550) no Hoare annotation was computed. [2020-07-20 13:01:14,032 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 505 550) no Hoare annotation was computed. [2020-07-20 13:01:14,033 INFO L268 CegarLoopResult]: For program point L832(lines 832 852) no Hoare annotation was computed. [2020-07-20 13:01:14,033 INFO L268 CegarLoopResult]: For program point L832-1(lines 832 852) no Hoare annotation was computed. [2020-07-20 13:01:14,033 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 818 863) no Hoare annotation was computed. [2020-07-20 13:01:14,033 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 818 863) no Hoare annotation was computed. [2020-07-20 13:01:14,033 INFO L268 CegarLoopResult]: For program point L838(lines 838 845) no Hoare annotation was computed. [2020-07-20 13:01:14,033 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 818 863) no Hoare annotation was computed. [2020-07-20 13:01:14,033 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 927 936) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:14,033 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 927 936) no Hoare annotation was computed. [2020-07-20 13:01:14,033 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 927 936) no Hoare annotation was computed. [2020-07-20 13:01:14,034 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 340 350) the Hoare annotation is: true [2020-07-20 13:01:14,034 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 340 350) no Hoare annotation was computed. [2020-07-20 13:01:14,034 INFO L271 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: true [2020-07-20 13:01:14,034 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-07-20 13:01:14,034 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 340 350) no Hoare annotation was computed. [2020-07-20 13:01:14,034 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 332 339) the Hoare annotation is: true [2020-07-20 13:01:14,034 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 332 339) no Hoare annotation was computed. [2020-07-20 13:01:14,034 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 332 339) no Hoare annotation was computed. [2020-07-20 13:01:14,035 INFO L268 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-07-20 13:01:14,035 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 201 214) no Hoare annotation was computed. [2020-07-20 13:01:14,035 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 201 214) the Hoare annotation is: true [2020-07-20 13:01:14,035 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 201 214) no Hoare annotation was computed. [2020-07-20 13:01:14,035 INFO L264 CegarLoopResult]: At program point L288(line 288) 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 13:01:14,035 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-20 13:01:14,036 INFO L268 CegarLoopResult]: For program point L286(lines 286 303) no Hoare annotation was computed. [2020-07-20 13:01:14,036 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 282 306) no Hoare annotation was computed. [2020-07-20 13:01:14,036 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 282 306) 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 13:01:14,036 INFO L264 CegarLoopResult]: At program point L301(line 301) 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 13:01:14,036 INFO L268 CegarLoopResult]: For program point L301-1(lines 282 306) no Hoare annotation was computed. [2020-07-20 13:01:14,036 INFO L264 CegarLoopResult]: At program point L296(line 296) 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 13:01:14,037 INFO L264 CegarLoopResult]: At program point L292(line 292) 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 .cse0 .cse1 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2)))) [2020-07-20 13:01:14,037 INFO L268 CegarLoopResult]: For program point L290(lines 290 298) no Hoare annotation was computed. [2020-07-20 13:01:14,037 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 248 254) no Hoare annotation was computed. [2020-07-20 13:01:14,037 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 248 254) the Hoare annotation is: true [2020-07-20 13:01:14,037 INFO L264 CegarLoopResult]: At program point testENTRY(lines 432 497) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:14,037 INFO L268 CegarLoopResult]: For program point L444(lines 444 448) no Hoare annotation was computed. [2020-07-20 13:01:14,037 INFO L268 CegarLoopResult]: For program point testFINAL(lines 432 497) no Hoare annotation was computed. [2020-07-20 13:01:14,037 INFO L264 CegarLoopResult]: At program point L490(lines 441 491) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:01:14,038 INFO L264 CegarLoopResult]: At program point L480(line 480) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (and .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (and .cse3 .cse4 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:01:14,038 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-07-20 13:01:14,038 INFO L264 CegarLoopResult]: At program point L478-1(lines 472 485) 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(~systemActive~0)|)))) [2020-07-20 13:01:14,038 INFO L268 CegarLoopResult]: For program point L443(lines 442 489) no Hoare annotation was computed. [2020-07-20 13:01:14,038 INFO L268 CegarLoopResult]: For program point L472(lines 472 485) no Hoare annotation was computed. [2020-07-20 13:01:14,039 INFO L264 CegarLoopResult]: At program point L464(line 464) 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(~systemActive~0)|)))) [2020-07-20 13:01:14,039 INFO L268 CegarLoopResult]: For program point L462(lines 462 468) no Hoare annotation was computed. [2020-07-20 13:01:14,039 INFO L268 CegarLoopResult]: For program point L462-1(lines 462 468) no Hoare annotation was computed. [2020-07-20 13:01:14,039 INFO L264 CegarLoopResult]: At program point L487(lines 442 489) the Hoare annotation is: (let ((.cse3 (<= 1 ~systemActive~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:01:14,039 INFO L264 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: (let ((.cse3 (<= 1 ~systemActive~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 0 ~systemActive~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse5 .cse1 .cse2) (and .cse0 .cse5 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:01:14,039 INFO L268 CegarLoopResult]: For program point L452(lines 452 458) no Hoare annotation was computed. [2020-07-20 13:01:14,040 INFO L268 CegarLoopResult]: For program point L452-1(lines 452 458) no Hoare annotation was computed. [2020-07-20 13:01:14,040 INFO L268 CegarLoopResult]: For program point testEXIT(lines 432 497) no Hoare annotation was computed. [2020-07-20 13:01:14,040 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 772 817) no Hoare annotation was computed. [2020-07-20 13:01:14,040 INFO L268 CegarLoopResult]: For program point L792(lines 792 799) no Hoare annotation was computed. [2020-07-20 13:01:14,040 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 772 817) no Hoare annotation was computed. [2020-07-20 13:01:14,040 INFO L268 CegarLoopResult]: For program point L786(lines 786 806) no Hoare annotation was computed. [2020-07-20 13:01:14,040 INFO L268 CegarLoopResult]: For program point L786-1(lines 786 806) no Hoare annotation was computed. [2020-07-20 13:01:14,040 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 772 817) no Hoare annotation was computed. [2020-07-20 13:01:14,041 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 307 314) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)) [2020-07-20 13:01:14,041 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 307 314) no Hoare annotation was computed. [2020-07-20 13:01:14,041 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 307 314) no Hoare annotation was computed. [2020-07-20 13:01:14,041 INFO L268 CegarLoopResult]: For program point L177(lines 177 185) no Hoare annotation was computed. [2020-07-20 13:01:14,041 INFO L268 CegarLoopResult]: For program point L177-2(lines 177 185) no Hoare annotation was computed. [2020-07-20 13:01:14,041 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 169 191) no Hoare annotation was computed. [2020-07-20 13:01:14,041 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 169 191) no Hoare annotation was computed. [2020-07-20 13:01:14,041 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 169 191) no Hoare annotation was computed. [2020-07-20 13:01:14,041 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 82 91) no Hoare annotation was computed. [2020-07-20 13:01:14,042 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 82 91) no Hoare annotation was computed. [2020-07-20 13:01:14,042 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 82 91) no Hoare annotation was computed. [2020-07-20 13:01:14,042 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 669 771) no Hoare annotation was computed. [2020-07-20 13:01:14,042 INFO L268 CegarLoopResult]: For program point L698(lines 698 714) no Hoare annotation was computed. [2020-07-20 13:01:14,042 INFO L268 CegarLoopResult]: For program point L758(lines 758 765) no Hoare annotation was computed. [2020-07-20 13:01:14,042 INFO L268 CegarLoopResult]: For program point L719(lines 718 738) no Hoare annotation was computed. [2020-07-20 13:01:14,042 INFO L268 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-07-20 13:01:14,042 INFO L268 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-07-20 13:01:14,043 INFO L268 CegarLoopResult]: For program point L715(lines 715 756) no Hoare annotation was computed. [2020-07-20 13:01:14,043 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 669 771) no Hoare annotation was computed. [2020-07-20 13:01:14,043 INFO L268 CegarLoopResult]: For program point L734(line 734) no Hoare annotation was computed. [2020-07-20 13:01:14,043 INFO L268 CegarLoopResult]: For program point L734-1(line 734) no Hoare annotation was computed. [2020-07-20 13:01:14,043 INFO L268 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-07-20 13:01:14,043 INFO L268 CegarLoopResult]: For program point L757(lines 757 768) no Hoare annotation was computed. [2020-07-20 13:01:14,043 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 669 771) no Hoare annotation was computed. [2020-07-20 13:01:14,043 INFO L268 CegarLoopResult]: For program point L720(lines 720 724) no Hoare annotation was computed. [2020-07-20 13:01:14,043 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 738) no Hoare annotation was computed. [2020-07-20 13:01:14,044 INFO L268 CegarLoopResult]: For program point L739(lines 717 740) no Hoare annotation was computed. [2020-07-20 13:01:14,044 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:01:14,044 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:01:14,044 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:01:14,044 INFO L264 CegarLoopResult]: At program point L320(line 320) 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 13:01:14,044 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-07-20 13:01:14,044 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 315 331) no Hoare annotation was computed. [2020-07-20 13:01:14,045 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 315 331) 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 13:01:14,045 INFO L264 CegarLoopResult]: At program point L326(line 326) 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)) (= 0 ~pumpRunning~0)))) [2020-07-20 13:01:14,045 INFO L268 CegarLoopResult]: For program point L326-1(lines 315 331) no Hoare annotation was computed. [2020-07-20 13:01:14,045 INFO L268 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2020-07-20 13:01:14,045 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 192 200) no Hoare annotation was computed. [2020-07-20 13:01:14,045 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 192 200) no Hoare annotation was computed. [2020-07-20 13:01:14,046 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 192 200) no Hoare annotation was computed. [2020-07-20 13:01:14,046 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 396 414) no Hoare annotation was computed. [2020-07-20 13:01:14,046 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 396 414) the Hoare annotation is: true [2020-07-20 13:01:14,046 INFO L268 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2020-07-20 13:01:14,046 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 396 414) no Hoare annotation was computed. [2020-07-20 13:01:14,046 INFO L271 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: true [2020-07-20 13:01:14,046 INFO L268 CegarLoopResult]: For program point L405-2(lines 405 409) no Hoare annotation was computed. [2020-07-20 13:01:14,046 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-07-20 13:01:14,047 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 148 159) 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 13:01:14,047 INFO L268 CegarLoopResult]: For program point L152-1(lines 148 159) no Hoare annotation was computed. [2020-07-20 13:01:14,047 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 148 159) no Hoare annotation was computed. [2020-07-20 13:01:14,047 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:01:14,047 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:01:14,047 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:01:14,047 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 160 168) the Hoare annotation is: true [2020-07-20 13:01:14,047 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 160 168) no Hoare annotation was computed. [2020-07-20 13:01:14,047 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 160 168) no Hoare annotation was computed. [2020-07-20 13:01:14,048 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 224 247) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse3) (or .cse6 .cse4 .cse2 .cse7) (or .cse6 .cse5 .cse0 .cse1 .cse7) (or .cse6 .cse0 .cse1 .cse2 .cse7) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse0 .cse1 .cse3) (or .cse6 .cse4 .cse5 .cse7))) [2020-07-20 13:01:14,048 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2) (or .cse5 .cse0 .cse6 .cse7) (or .cse0 .cse2 .cse6 .cse3) (or .cse4 .cse2 .cse6) (or .cse5 .cse0 .cse1 .cse7))) [2020-07-20 13:01:14,048 INFO L264 CegarLoopResult]: At program point L235(lines 235 241) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3 .cse4) (or .cse1 .cse6 .cse4) (or .cse0 .cse1 .cse3 .cse7) (or .cse0 .cse6 .cse5 .cse2 .cse7) (or .cse0 .cse5 .cse2 .cse3 .cse7) (or .cse6 .cse5 .cse2 .cse4) (or .cse0 .cse1 .cse6 .cse7))) [2020-07-20 13:01:14,048 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 224 247) no Hoare annotation was computed. [2020-07-20 13:01:14,048 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 224 247) no Hoare annotation was computed. [2020-07-20 13:01:14,049 INFO L264 CegarLoopResult]: At program point L230(line 230) 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))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse5 .cse6) (or .cse0 .cse2 .cse5) (or .cse3 .cse2 .cse5) (or .cse4 .cse0 .cse1 .cse6))) [2020-07-20 13:01:14,049 INFO L268 CegarLoopResult]: For program point L228(lines 227 246) no Hoare annotation was computed. [2020-07-20 13:01:14,049 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 866 895) no Hoare annotation was computed. [2020-07-20 13:01:14,049 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 866 895) the Hoare annotation is: true [2020-07-20 13:01:14,049 INFO L271 CegarLoopResult]: At program point L891(lines 866 895) the Hoare annotation is: true [2020-07-20 13:01:14,049 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-07-20 13:01:14,049 INFO L268 CegarLoopResult]: For program point L880(lines 880 884) no Hoare annotation was computed. [2020-07-20 13:01:14,049 INFO L271 CegarLoopResult]: At program point L880-1(lines 880 884) the Hoare annotation is: true [2020-07-20 13:01:14,049 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-07-20 13:01:14,050 INFO L271 CegarLoopResult]: At program point L876-2(lines 876 890) the Hoare annotation is: true [2020-07-20 13:01:14,050 INFO L271 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: true [2020-07-20 13:01:14,050 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-07-20 13:01:14,050 INFO L268 CegarLoopResult]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2020-07-20 13:01:14,050 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 124 135) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 13:01:14,050 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 124 135) no Hoare annotation was computed. [2020-07-20 13:01:14,050 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 920 926) no Hoare annotation was computed. [2020-07-20 13:01:14,050 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 920 926) the Hoare annotation is: true [2020-07-20 13:01:14,051 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:01:14,051 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:01:14,051 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:01:14,051 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:01:14,051 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 136 147) no Hoare annotation was computed. [2020-07-20 13:01:14,051 INFO L268 CegarLoopResult]: For program point L140-1(lines 136 147) no Hoare annotation was computed. [2020-07-20 13:01:14,051 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 136 147) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 0 ~systemActive~0))) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (<= ~waterLevel~0 1)) (.cse4 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse3) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse4))) [2020-07-20 13:01:14,051 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 69 76) no Hoare annotation was computed. [2020-07-20 13:01:14,052 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2020-07-20 13:01:14,052 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2020-07-20 13:01:14,052 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2020-07-20 13:01:14,052 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-20 13:01:14,052 INFO L264 CegarLoopResult]: At program point L57(line 57) 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 13:01:14,052 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-20 13:01:14,052 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-20 13:01:14,053 INFO L264 CegarLoopResult]: At program point L53(line 53) 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 13:01:14,053 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-20 13:01:14,053 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-20 13:01:14,053 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-20 13:01:14,053 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-20 13:01:14,053 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-20 13:01:14,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:01:14 BoogieIcfgContainer [2020-07-20 13:01:14,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:01:14,076 INFO L168 Benchmark]: Toolchain (without parser) took 15398.28 ms. Allocated memory was 136.3 MB in the beginning and 384.8 MB in the end (delta: 248.5 MB). Free memory was 99.8 MB in the beginning and 143.3 MB in the end (delta: -43.4 MB). Peak memory consumption was 269.4 MB. Max. memory is 7.1 GB. [2020-07-20 13:01:14,077 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 136.3 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-20 13:01:14,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.10 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 99.4 MB in the beginning and 166.7 MB in the end (delta: -67.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-07-20 13:01:14,078 INFO L168 Benchmark]: Boogie Preprocessor took 94.43 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 162.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:01:14,079 INFO L168 Benchmark]: RCFGBuilder took 1215.77 ms. Allocated memory was 200.3 MB in the beginning and 229.1 MB in the end (delta: 28.8 MB). Free memory was 162.5 MB in the beginning and 192.8 MB in the end (delta: -30.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2020-07-20 13:01:14,080 INFO L168 Benchmark]: TraceAbstraction took 13381.62 ms. Allocated memory was 229.1 MB in the beginning and 384.8 MB in the end (delta: 155.7 MB). Free memory was 191.1 MB in the beginning and 143.3 MB in the end (delta: 47.8 MB). Peak memory consumption was 267.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:01:14,083 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 136.3 MB. Free memory is still 119.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.10 ms. Allocated memory was 136.3 MB in the beginning and 200.3 MB in the end (delta: 64.0 MB). Free memory was 99.4 MB in the beginning and 166.7 MB in the end (delta: -67.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.43 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 162.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1215.77 ms. Allocated memory was 200.3 MB in the beginning and 229.1 MB in the end (delta: 28.8 MB). Free memory was 162.5 MB in the beginning and 192.8 MB in the end (delta: -30.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13381.62 ms. Allocated memory was 229.1 MB in the beginning and 384.8 MB in the end (delta: 155.7 MB). Free memory was 191.1 MB in the beginning and 143.3 MB in the end (delta: 47.8 MB). Peak memory consumption was 267.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 442]: Loop Invariant Derived loop invariant: (((((((((1 <= methaneLevelCritical && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) || ((0 == methaneLevelCritical && 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(systemActive)) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.4s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1971 SDtfs, 608 SDslu, 3892 SDs, 0 SdLazy, 667 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 965 GetRequests, 926 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1155occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 41 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2400 PreInvPairs, 2497 NumberOfFragments, 1872 HoareAnnotationTreeSize, 2400 FomulaSimplifications, 851 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 63 FomulaSimplificationsInter, 4741 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 971 NumberOfCodeBlocks, 817 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 960 ConstructedInterpolants, 0 QuantifiedInterpolants, 153816 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7894 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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...