/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 16:23:17,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 16:23:17,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 16:23:17,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 16:23:17,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 16:23:17,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 16:23:17,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 16:23:17,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 16:23:17,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 16:23:17,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 16:23:17,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 16:23:17,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 16:23:17,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 16:23:17,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 16:23:17,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 16:23:17,383 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 16:23:17,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 16:23:17,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 16:23:17,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 16:23:17,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 16:23:17,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 16:23:17,402 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 16:23:17,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 16:23:17,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 16:23:17,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 16:23:17,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 16:23:17,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 16:23:17,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 16:23:17,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 16:23:17,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 16:23:17,412 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 16:23:17,413 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 16:23:17,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 16:23:17,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 16:23:17,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 16:23:17,418 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 16:23:17,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 16:23:17,419 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 16:23:17,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 16:23:17,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 16:23:17,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 16:23:17,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 16:23:17,459 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 16:23:17,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 16:23:17,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 16:23:17,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 16:23:17,467 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 16:23:17,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 16:23:17,468 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 16:23:17,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 16:23:17,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 16:23:17,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 16:23:17,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 16:23:17,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 16:23:17,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 16:23:17,469 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 16:23:17,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 16:23:17,470 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 16:23:17,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 16:23:17,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 16:23:17,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 16:23:17,472 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 16:23:17,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 16:23:17,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:23:17,473 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 16:23:17,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 16:23:17,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 16:23:17,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 16:23:17,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:17,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 16:23:17,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 16:23:17,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 16:23:17,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 16:23:17,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 16:23:17,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 16:23:17,809 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 16:23:17,810 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 16:23:17,812 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2020-07-20 16:23:17,889 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75a59565f/9fb1f25ad4f6480fa3a8826f871d6315/FLAG44b5d7982 [2020-07-20 16:23:18,423 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 16:23:18,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product38.cil.c [2020-07-20 16:23:18,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75a59565f/9fb1f25ad4f6480fa3a8826f871d6315/FLAG44b5d7982 [2020-07-20 16:23:18,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75a59565f/9fb1f25ad4f6480fa3a8826f871d6315 [2020-07-20 16:23:18,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 16:23:18,711 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 16:23:18,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:18,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 16:23:18,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 16:23:18,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:18" (1/1) ... [2020-07-20 16:23:18,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc784d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:18, skipping insertion in model container [2020-07-20 16:23:18,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:23:18" (1/1) ... [2020-07-20 16:23:18,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 16:23:18,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 16:23:19,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:19,126 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 16:23:19,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 16:23:19,337 INFO L208 MainTranslator]: Completed translation [2020-07-20 16:23:19,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:19 WrapperNode [2020-07-20 16:23:19,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 16:23:19,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 16:23:19,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 16:23:19,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 16:23:19,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:19" (1/1) ... [2020-07-20 16:23:19,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:19" (1/1) ... [2020-07-20 16:23:19,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:19" (1/1) ... [2020-07-20 16:23:19,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:19" (1/1) ... [2020-07-20 16:23:19,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:19" (1/1) ... [2020-07-20 16:23:19,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:19" (1/1) ... [2020-07-20 16:23:19,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:19" (1/1) ... [2020-07-20 16:23:19,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 16:23:19,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 16:23:19,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 16:23:19,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 16:23:19,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 16:23:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 16:23:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 16:23:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 16:23:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 16:23:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 16:23:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 16:23:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 16:23:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 16:23:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 16:23:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:23:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 16:23:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 16:23:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 16:23:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 16:23:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 16:23:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 16:23:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 16:23:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 16:23:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 16:23:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 16:23:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 16:23:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 16:23:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 16:23:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 16:23:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 16:23:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 16:23:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 16:23:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 16:23:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 16:23:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 16:23:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 16:23:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 16:23:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 16:23:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 16:23:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 16:23:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 16:23:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 16:23:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 16:23:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 16:23:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 16:23:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 16:23:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 16:23:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 16:23:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 16:23:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 16:23:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 16:23:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 16:23:19,495 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 16:23:19,495 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 16:23:19,495 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 16:23:19,495 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 16:23:19,495 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 16:23:19,495 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 16:23:19,495 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 16:23:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 16:23:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 16:23:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 16:23:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 16:23:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 16:23:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 16:23:19,496 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 16:23:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 16:23:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 16:23:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 16:23:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 16:23:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 16:23:19,497 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 16:23:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 16:23:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 16:23:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 16:23:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 16:23:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 16:23:19,498 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 16:23:19,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 16:23:19,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 16:23:19,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 16:23:19,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 16:23:19,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 16:23:19,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 16:23:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 16:23:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 16:23:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 16:23:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 16:23:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 16:23:19,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 16:23:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 16:23:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 16:23:19,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 16:23:20,609 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 16:23:20,610 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 16:23:20,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:20 BoogieIcfgContainer [2020-07-20 16:23:20,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 16:23:20,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 16:23:20,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 16:23:20,623 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 16:23:20,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:23:18" (1/3) ... [2020-07-20 16:23:20,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768413f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:20, skipping insertion in model container [2020-07-20 16:23:20,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:23:19" (2/3) ... [2020-07-20 16:23:20,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768413f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:23:20, skipping insertion in model container [2020-07-20 16:23:20,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:23:20" (3/3) ... [2020-07-20 16:23:20,627 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2020-07-20 16:23:20,638 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 16:23:20,648 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 16:23:20,667 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 16:23:20,690 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 16:23:20,690 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 16:23:20,690 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 16:23:20,690 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 16:23:20,691 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 16:23:20,691 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 16:23:20,691 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 16:23:20,691 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 16:23:20,714 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2020-07-20 16:23:20,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 16:23:20,724 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:20,725 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 16:23:20,725 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:20,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:20,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1698741088, now seen corresponding path program 1 times [2020-07-20 16:23:20,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:20,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [91280599] [2020-07-20 16:23:20,738 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:21,230 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:21,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:21,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 16:23:21,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:21,278 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 16:23:21,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:21,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [91280599] [2020-07-20 16:23:21,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:21,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 16:23:21,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711879280] [2020-07-20 16:23:21,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 16:23:21,288 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:21,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 16:23:21,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:21,306 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 2 states. [2020-07-20 16:23:21,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:21,350 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2020-07-20 16:23:21,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 16:23:21,352 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 16:23:21,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:21,366 INFO L225 Difference]: With dead ends: 260 [2020-07-20 16:23:21,366 INFO L226 Difference]: Without dead ends: 132 [2020-07-20 16:23:21,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 16:23:21,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-07-20 16:23:21,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2020-07-20 16:23:21,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-07-20 16:23:21,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-07-20 16:23:21,442 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 51 [2020-07-20 16:23:21,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:21,442 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-07-20 16:23:21,443 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 16:23:21,443 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-07-20 16:23:21,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 16:23:21,447 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:21,447 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:21,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:21,661 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:21,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:21,662 INFO L82 PathProgramCache]: Analyzing trace with hash 160126664, now seen corresponding path program 1 times [2020-07-20 16:23:21,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:21,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [986140891] [2020-07-20 16:23:21,664 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:22,116 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:22,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:22,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 16:23:22,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:22,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:22,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:22,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [986140891] [2020-07-20 16:23:22,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:22,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:22,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498812185] [2020-07-20 16:23:22,177 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:22,178 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:22,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:22,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:22,179 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2020-07-20 16:23:22,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:22,221 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2020-07-20 16:23:22,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:22,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 16:23:22,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:22,226 INFO L225 Difference]: With dead ends: 205 [2020-07-20 16:23:22,227 INFO L226 Difference]: Without dead ends: 123 [2020-07-20 16:23:22,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:22,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-20 16:23:22,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-07-20 16:23:22,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-20 16:23:22,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-07-20 16:23:22,257 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 52 [2020-07-20 16:23:22,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:22,258 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-07-20 16:23:22,258 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:22,258 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-07-20 16:23:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-20 16:23:22,265 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:22,265 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 16:23:22,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:22,467 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:22,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:22,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1051645430, now seen corresponding path program 1 times [2020-07-20 16:23:22,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:22,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1416454286] [2020-07-20 16:23:22,469 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:22,861 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:22,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:22,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 16:23:22,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:22,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:22,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:22,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1416454286] [2020-07-20 16:23:22,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:22,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:22,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681129546] [2020-07-20 16:23:22,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:22,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:22,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:22,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:22,909 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 3 states. [2020-07-20 16:23:22,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:22,930 INFO L93 Difference]: Finished difference Result 218 states and 259 transitions. [2020-07-20 16:23:22,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:22,931 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-07-20 16:23:22,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:22,934 INFO L225 Difference]: With dead ends: 218 [2020-07-20 16:23:22,934 INFO L226 Difference]: Without dead ends: 123 [2020-07-20 16:23:22,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:22,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-07-20 16:23:22,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-07-20 16:23:22,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-20 16:23:22,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2020-07-20 16:23:22,949 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 57 [2020-07-20 16:23:22,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:22,949 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2020-07-20 16:23:22,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:22,950 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2020-07-20 16:23:22,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 16:23:22,952 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:22,952 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:23,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:23,166 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:23,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:23,166 INFO L82 PathProgramCache]: Analyzing trace with hash 23828646, now seen corresponding path program 1 times [2020-07-20 16:23:23,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:23,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895885961] [2020-07-20 16:23:23,167 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:23,711 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:23,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:23,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 16:23:23,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:23,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:23,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:23,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895885961] [2020-07-20 16:23:23,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:23,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:23,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941055571] [2020-07-20 16:23:23,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:23,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:23,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:23,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:23,765 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 6 states. [2020-07-20 16:23:24,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:24,321 INFO L93 Difference]: Finished difference Result 300 states and 365 transitions. [2020-07-20 16:23:24,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:23:24,322 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 16:23:24,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:24,324 INFO L225 Difference]: With dead ends: 300 [2020-07-20 16:23:24,325 INFO L226 Difference]: Without dead ends: 205 [2020-07-20 16:23:24,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:23:24,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-07-20 16:23:24,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 189. [2020-07-20 16:23:24,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-07-20 16:23:24,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 214 transitions. [2020-07-20 16:23:24,361 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 214 transitions. Word has length 70 [2020-07-20 16:23:24,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:24,361 INFO L479 AbstractCegarLoop]: Abstraction has 189 states and 214 transitions. [2020-07-20 16:23:24,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:24,362 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 214 transitions. [2020-07-20 16:23:24,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-20 16:23:24,363 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:24,364 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:24,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:24,578 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:24,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:24,579 INFO L82 PathProgramCache]: Analyzing trace with hash 765865706, now seen corresponding path program 1 times [2020-07-20 16:23:24,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:24,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1909416236] [2020-07-20 16:23:24,581 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:24,936 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:24,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:24,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:24,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:24,986 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:24,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1909416236] [2020-07-20 16:23:24,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:24,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:24,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019115006] [2020-07-20 16:23:24,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:24,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:24,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:24,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:24,991 INFO L87 Difference]: Start difference. First operand 189 states and 214 transitions. Second operand 6 states. [2020-07-20 16:23:25,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:25,230 INFO L93 Difference]: Finished difference Result 353 states and 408 transitions. [2020-07-20 16:23:25,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 16:23:25,231 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2020-07-20 16:23:25,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:25,234 INFO L225 Difference]: With dead ends: 353 [2020-07-20 16:23:25,234 INFO L226 Difference]: Without dead ends: 192 [2020-07-20 16:23:25,235 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:25,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-07-20 16:23:25,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 188. [2020-07-20 16:23:25,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2020-07-20 16:23:25,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 211 transitions. [2020-07-20 16:23:25,252 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 211 transitions. Word has length 84 [2020-07-20 16:23:25,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:25,252 INFO L479 AbstractCegarLoop]: Abstraction has 188 states and 211 transitions. [2020-07-20 16:23:25,253 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:25,253 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 211 transitions. [2020-07-20 16:23:25,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-20 16:23:25,254 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:25,254 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:25,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:25,469 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:25,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:25,470 INFO L82 PathProgramCache]: Analyzing trace with hash -197917338, now seen corresponding path program 1 times [2020-07-20 16:23:25,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:25,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543164341] [2020-07-20 16:23:25,471 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:25,790 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:25,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:25,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 16:23:25,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:25,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:25,838 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:25,839 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543164341] [2020-07-20 16:23:25,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:25,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:25,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989807612] [2020-07-20 16:23:25,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:25,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:25,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:25,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:25,841 INFO L87 Difference]: Start difference. First operand 188 states and 211 transitions. Second operand 6 states. [2020-07-20 16:23:25,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:25,890 INFO L93 Difference]: Finished difference Result 353 states and 403 transitions. [2020-07-20 16:23:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:25,890 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2020-07-20 16:23:25,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:25,896 INFO L225 Difference]: With dead ends: 353 [2020-07-20 16:23:25,896 INFO L226 Difference]: Without dead ends: 193 [2020-07-20 16:23:25,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 16:23:25,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-07-20 16:23:25,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2020-07-20 16:23:25,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-07-20 16:23:25,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 216 transitions. [2020-07-20 16:23:25,919 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 216 transitions. Word has length 85 [2020-07-20 16:23:25,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:25,920 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 216 transitions. [2020-07-20 16:23:25,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:25,920 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 216 transitions. [2020-07-20 16:23:25,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-20 16:23:25,922 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:25,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:26,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:26,137 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:26,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:26,138 INFO L82 PathProgramCache]: Analyzing trace with hash 503682536, now seen corresponding path program 1 times [2020-07-20 16:23:26,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:26,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1765450378] [2020-07-20 16:23:26,139 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:26,328 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 1 check-sat command(s) [2020-07-20 16:23:26,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:26,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 16:23:26,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:26,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:26,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1765450378] [2020-07-20 16:23:26,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:26,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 16:23:26,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284856655] [2020-07-20 16:23:26,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 16:23:26,369 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:26,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 16:23:26,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:26,369 INFO L87 Difference]: Start difference. First operand 193 states and 216 transitions. Second operand 5 states. [2020-07-20 16:23:26,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:26,400 INFO L93 Difference]: Finished difference Result 365 states and 419 transitions. [2020-07-20 16:23:26,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 16:23:26,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-07-20 16:23:26,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:26,409 INFO L225 Difference]: With dead ends: 365 [2020-07-20 16:23:26,409 INFO L226 Difference]: Without dead ends: 200 [2020-07-20 16:23:26,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 16:23:26,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-07-20 16:23:26,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 197. [2020-07-20 16:23:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-07-20 16:23:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 220 transitions. [2020-07-20 16:23:26,438 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 220 transitions. Word has length 85 [2020-07-20 16:23:26,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:26,439 INFO L479 AbstractCegarLoop]: Abstraction has 197 states and 220 transitions. [2020-07-20 16:23:26,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 16:23:26,439 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 220 transitions. [2020-07-20 16:23:26,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-20 16:23:26,447 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:26,448 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:26,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:26,662 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:26,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:26,663 INFO L82 PathProgramCache]: Analyzing trace with hash -2065803863, now seen corresponding path program 1 times [2020-07-20 16:23:26,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:26,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1755704389] [2020-07-20 16:23:26,664 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:27,028 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:27,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:27,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 16:23:27,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:27,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:27,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:27,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1755704389] [2020-07-20 16:23:27,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:27,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:27,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081938620] [2020-07-20 16:23:27,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:27,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:27,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:27,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:27,063 INFO L87 Difference]: Start difference. First operand 197 states and 220 transitions. Second operand 3 states. [2020-07-20 16:23:27,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:27,106 INFO L93 Difference]: Finished difference Result 507 states and 594 transitions. [2020-07-20 16:23:27,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:27,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-07-20 16:23:27,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:27,109 INFO L225 Difference]: With dead ends: 507 [2020-07-20 16:23:27,109 INFO L226 Difference]: Without dead ends: 338 [2020-07-20 16:23:27,110 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:27,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-07-20 16:23:27,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 335. [2020-07-20 16:23:27,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-07-20 16:23:27,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 386 transitions. [2020-07-20 16:23:27,132 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 386 transitions. Word has length 85 [2020-07-20 16:23:27,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:27,133 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 386 transitions. [2020-07-20 16:23:27,133 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:27,133 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 386 transitions. [2020-07-20 16:23:27,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-20 16:23:27,134 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:27,135 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:27,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:27,343 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:27,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:27,344 INFO L82 PathProgramCache]: Analyzing trace with hash -118612273, now seen corresponding path program 1 times [2020-07-20 16:23:27,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:27,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [620236905] [2020-07-20 16:23:27,345 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:27,698 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:27,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:27,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 16:23:27,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:27,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 16:23:27,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:27,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [620236905] [2020-07-20 16:23:27,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:27,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 16:23:27,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695924902] [2020-07-20 16:23:27,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 16:23:27,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:27,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 16:23:27,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:27,723 INFO L87 Difference]: Start difference. First operand 335 states and 386 transitions. Second operand 3 states. [2020-07-20 16:23:27,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:27,775 INFO L93 Difference]: Finished difference Result 514 states and 608 transitions. [2020-07-20 16:23:27,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 16:23:27,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-07-20 16:23:27,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:27,781 INFO L225 Difference]: With dead ends: 514 [2020-07-20 16:23:27,782 INFO L226 Difference]: Without dead ends: 511 [2020-07-20 16:23:27,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 16:23:27,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2020-07-20 16:23:27,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 483. [2020-07-20 16:23:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2020-07-20 16:23:27,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 572 transitions. [2020-07-20 16:23:27,835 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 572 transitions. Word has length 89 [2020-07-20 16:23:27,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:27,838 INFO L479 AbstractCegarLoop]: Abstraction has 483 states and 572 transitions. [2020-07-20 16:23:27,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 16:23:27,838 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 572 transitions. [2020-07-20 16:23:27,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-20 16:23:27,843 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:27,843 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:28,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:28,057 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:28,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:28,058 INFO L82 PathProgramCache]: Analyzing trace with hash 663967861, now seen corresponding path program 1 times [2020-07-20 16:23:28,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:28,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217809038] [2020-07-20 16:23:28,059 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:28,368 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 16:23:28,368 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:28,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 837 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 16:23:28,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:28,438 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 16:23:28,438 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:28,438 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [217809038] [2020-07-20 16:23:28,439 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:28,439 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 16:23:28,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850006401] [2020-07-20 16:23:28,440 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 16:23:28,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:28,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 16:23:28,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:28,440 INFO L87 Difference]: Start difference. First operand 483 states and 572 transitions. Second operand 6 states. [2020-07-20 16:23:28,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:28,830 INFO L93 Difference]: Finished difference Result 1318 states and 1610 transitions. [2020-07-20 16:23:28,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 16:23:28,831 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2020-07-20 16:23:28,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:28,836 INFO L225 Difference]: With dead ends: 1318 [2020-07-20 16:23:28,837 INFO L226 Difference]: Without dead ends: 863 [2020-07-20 16:23:28,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 16:23:28,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2020-07-20 16:23:28,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 765. [2020-07-20 16:23:28,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2020-07-20 16:23:28,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 898 transitions. [2020-07-20 16:23:28,888 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 898 transitions. Word has length 148 [2020-07-20 16:23:28,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:28,888 INFO L479 AbstractCegarLoop]: Abstraction has 765 states and 898 transitions. [2020-07-20 16:23:28,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 16:23:28,888 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 898 transitions. [2020-07-20 16:23:28,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-20 16:23:28,892 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 16:23:28,893 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 16:23:29,105 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:29,106 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 16:23:29,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 16:23:29,106 INFO L82 PathProgramCache]: Analyzing trace with hash -669184687, now seen corresponding path program 1 times [2020-07-20 16:23:29,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 16:23:29,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376162788] [2020-07-20 16:23:29,107 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:29,472 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 16:23:29,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 16:23:29,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 925 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 16:23:29,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 16:23:29,559 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 16:23:29,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 16:23:29,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376162788] [2020-07-20 16:23:29,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 16:23:29,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 16:23:29,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409716949] [2020-07-20 16:23:29,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 16:23:29,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 16:23:29,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 16:23:29,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:29,562 INFO L87 Difference]: Start difference. First operand 765 states and 898 transitions. Second operand 8 states. [2020-07-20 16:23:29,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 16:23:29,909 INFO L93 Difference]: Finished difference Result 1371 states and 1614 transitions. [2020-07-20 16:23:29,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 16:23:29,909 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2020-07-20 16:23:29,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 16:23:29,911 INFO L225 Difference]: With dead ends: 1371 [2020-07-20 16:23:29,912 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 16:23:29,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 16:23:29,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 16:23:29,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 16:23:29,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 16:23:29,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 16:23:29,916 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2020-07-20 16:23:29,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 16:23:29,916 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 16:23:29,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 16:23:29,917 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 16:23:29,917 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 16:23:30,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 16:23:30,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 16:23:31,306 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-07-20 16:23:31,422 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2020-07-20 16:23:32,089 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2020-07-20 16:23:32,612 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-07-20 16:23:32,721 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 24 [2020-07-20 16:23:32,837 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-07-20 16:23:33,092 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 22 [2020-07-20 16:23:33,292 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 27 [2020-07-20 16:23:33,420 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2020-07-20 16:23:34,139 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-07-20 16:23:34,292 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2020-07-20 16:23:35,032 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 35 [2020-07-20 16:23:35,155 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-07-20 16:23:35,159 INFO L268 CegarLoopResult]: For program point L667(lines 667 671) no Hoare annotation was computed. [2020-07-20 16:23:35,159 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 671) no Hoare annotation was computed. [2020-07-20 16:23:35,160 INFO L268 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-07-20 16:23:35,160 INFO L268 CegarLoopResult]: For program point L661-2(lines 661 682) no Hoare annotation was computed. [2020-07-20 16:23:35,160 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 636 691) no Hoare annotation was computed. [2020-07-20 16:23:35,160 INFO L268 CegarLoopResult]: For program point L683(lines 660 684) no Hoare annotation was computed. [2020-07-20 16:23:35,160 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 636 691) no Hoare annotation was computed. [2020-07-20 16:23:35,160 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 636 691) no Hoare annotation was computed. [2020-07-20 16:23:35,161 INFO L268 CegarLoopResult]: For program point L737(line 737) no Hoare annotation was computed. [2020-07-20 16:23:35,161 INFO L268 CegarLoopResult]: For program point L737-1(line 737) no Hoare annotation was computed. [2020-07-20 16:23:35,161 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 692 751) no Hoare annotation was computed. [2020-07-20 16:23:35,161 INFO L268 CegarLoopResult]: For program point L724(lines 724 728) no Hoare annotation was computed. [2020-07-20 16:23:35,161 INFO L268 CegarLoopResult]: For program point L724-1(lines 724 728) no Hoare annotation was computed. [2020-07-20 16:23:35,161 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-07-20 16:23:35,161 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 692 751) no Hoare annotation was computed. [2020-07-20 16:23:35,161 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 743) no Hoare annotation was computed. [2020-07-20 16:23:35,161 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 692 751) no Hoare annotation was computed. [2020-07-20 16:23:35,162 INFO L268 CegarLoopResult]: For program point L744(lines 717 745) no Hoare annotation was computed. [2020-07-20 16:23:35,162 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2020-07-20 16:23:35,162 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2020-07-20 16:23:35,162 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-20 16:23:35,162 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2020-07-20 16:23:35,162 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-20 16:23:35,163 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 465 487) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:35,163 INFO L264 CegarLoopResult]: At program point L477(line 477) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:35,164 INFO L264 CegarLoopResult]: At program point L477-1(line 477) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:35,164 INFO L268 CegarLoopResult]: For program point L475(lines 475 482) no Hoare annotation was computed. [2020-07-20 16:23:35,165 INFO L268 CegarLoopResult]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2020-07-20 16:23:35,165 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-20 16:23:35,166 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2020-07-20 16:23:35,166 INFO L264 CegarLoopResult]: At program point L472(line 472) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:35,166 INFO L264 CegarLoopResult]: At program point L471(line 471) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:35,166 INFO L264 CegarLoopResult]: At program point L471-1(line 471) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:35,166 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 465 487) no Hoare annotation was computed. [2020-07-20 16:23:35,167 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 423 446) no Hoare annotation was computed. [2020-07-20 16:23:35,167 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 423 446) no Hoare annotation was computed. [2020-07-20 16:23:35,167 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 423 446) no Hoare annotation was computed. [2020-07-20 16:23:35,167 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-07-20 16:23:35,167 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-20 16:23:35,168 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-20 16:23:35,168 INFO L268 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-07-20 16:23:35,168 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-20 16:23:35,168 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-20 16:23:35,168 INFO L268 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-07-20 16:23:35,168 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-20 16:23:35,168 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-20 16:23:35,168 INFO L268 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-07-20 16:23:35,169 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 16:23:35,169 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-20 16:23:35,169 INFO L268 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-07-20 16:23:35,169 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 16:23:35,169 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2020-07-20 16:23:35,169 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2020-07-20 16:23:35,169 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 249 257) no Hoare annotation was computed. [2020-07-20 16:23:35,169 INFO L268 CegarLoopResult]: For program point L288(line 288) no Hoare annotation was computed. [2020-07-20 16:23:35,169 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-20 16:23:35,169 INFO L268 CegarLoopResult]: For program point L277(lines 277 285) no Hoare annotation was computed. [2020-07-20 16:23:35,170 INFO L268 CegarLoopResult]: For program point L277-2(lines 277 285) no Hoare annotation was computed. [2020-07-20 16:23:35,170 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 258 293) no Hoare annotation was computed. [2020-07-20 16:23:35,170 INFO L268 CegarLoopResult]: For program point L265(lines 265 273) no Hoare annotation was computed. [2020-07-20 16:23:35,170 INFO L268 CegarLoopResult]: For program point L265-2(lines 265 273) no Hoare annotation was computed. [2020-07-20 16:23:35,170 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 258 293) no Hoare annotation was computed. [2020-07-20 16:23:35,170 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 258 293) no Hoare annotation was computed. [2020-07-20 16:23:35,170 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2020-07-20 16:23:35,170 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2020-07-20 16:23:35,170 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 590 635) no Hoare annotation was computed. [2020-07-20 16:23:35,171 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 590 635) no Hoare annotation was computed. [2020-07-20 16:23:35,171 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 590 635) no Hoare annotation was computed. [2020-07-20 16:23:35,171 INFO L268 CegarLoopResult]: For program point L923(lines 923 930) no Hoare annotation was computed. [2020-07-20 16:23:35,171 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 903 948) no Hoare annotation was computed. [2020-07-20 16:23:35,171 INFO L268 CegarLoopResult]: For program point L917(lines 917 937) no Hoare annotation was computed. [2020-07-20 16:23:35,171 INFO L268 CegarLoopResult]: For program point L917-1(lines 917 937) no Hoare annotation was computed. [2020-07-20 16:23:35,171 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 903 948) no Hoare annotation was computed. [2020-07-20 16:23:35,171 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 903 948) no Hoare annotation was computed. [2020-07-20 16:23:35,172 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 454 464) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:35,172 INFO L264 CegarLoopResult]: At program point L459(line 459) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:35,172 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2020-07-20 16:23:35,172 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2020-07-20 16:23:35,172 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2020-07-20 16:23:35,172 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2020-07-20 16:23:35,172 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 238 248) no Hoare annotation was computed. [2020-07-20 16:23:35,172 INFO L271 CegarLoopResult]: At program point L243(line 243) the Hoare annotation is: true [2020-07-20 16:23:35,173 INFO L268 CegarLoopResult]: For program point L243-1(line 243) no Hoare annotation was computed. [2020-07-20 16:23:35,173 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 16:23:35,173 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2020-07-20 16:23:35,173 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2020-07-20 16:23:35,173 INFO L268 CegarLoopResult]: For program point L573(lines 573 579) no Hoare annotation was computed. [2020-07-20 16:23:35,173 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2020-07-20 16:23:35,173 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2020-07-20 16:23:35,174 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 569 582) no Hoare annotation was computed. [2020-07-20 16:23:35,174 INFO L264 CegarLoopResult]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse1 .cse4) (or .cse5 .cse1 .cse2))) [2020-07-20 16:23:35,174 INFO L268 CegarLoopResult]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2020-07-20 16:23:35,175 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2020-07-20 16:23:35,175 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (not .cse0)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse7) (or .cse5 .cse1 .cse6 .cse4 .cse7)))) [2020-07-20 16:23:35,175 INFO L264 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not .cse0) .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse1 .cse4))) [2020-07-20 16:23:35,175 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (not .cse4)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse3 .cse6) (or .cse4 .cse1 .cse2 (and .cse5 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2)))))) [2020-07-20 16:23:35,175 INFO L268 CegarLoopResult]: For program point L205(lines 205 213) no Hoare annotation was computed. [2020-07-20 16:23:35,176 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not .cse0)) (.cse6 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse0 .cse1 .cse3 .cse6) (or .cse4 .cse1 .cse5 .cse6)))) [2020-07-20 16:23:35,176 INFO L268 CegarLoopResult]: For program point L203-1(line 203) no Hoare annotation was computed. [2020-07-20 16:23:35,176 INFO L268 CegarLoopResult]: For program point L201(lines 201 218) no Hoare annotation was computed. [2020-07-20 16:23:35,176 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2020-07-20 16:23:35,176 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2020-07-20 16:23:35,176 INFO L264 CegarLoopResult]: At program point testENTRY(lines 325 390) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:35,176 INFO L264 CegarLoopResult]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse3 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:35,177 INFO L264 CegarLoopResult]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse3 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:35,177 INFO L268 CegarLoopResult]: For program point L345(lines 345 351) no Hoare annotation was computed. [2020-07-20 16:23:35,177 INFO L268 CegarLoopResult]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2020-07-20 16:23:35,177 INFO L268 CegarLoopResult]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2020-07-20 16:23:35,177 INFO L268 CegarLoopResult]: For program point L337(lines 337 341) no Hoare annotation was computed. [2020-07-20 16:23:35,177 INFO L264 CegarLoopResult]: At program point L383(lines 334 384) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 16:23:35,177 INFO L268 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-07-20 16:23:35,178 INFO L264 CegarLoopResult]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:35,178 INFO L268 CegarLoopResult]: For program point L336(lines 335 382) no Hoare annotation was computed. [2020-07-20 16:23:35,178 INFO L264 CegarLoopResult]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse3 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:35,178 INFO L268 CegarLoopResult]: For program point L365(lines 365 378) no Hoare annotation was computed. [2020-07-20 16:23:35,178 INFO L264 CegarLoopResult]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse3 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 16:23:35,178 INFO L268 CegarLoopResult]: For program point L355(lines 355 361) no Hoare annotation was computed. [2020-07-20 16:23:35,178 INFO L268 CegarLoopResult]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2020-07-20 16:23:35,179 INFO L268 CegarLoopResult]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2020-07-20 16:23:35,179 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 857 902) no Hoare annotation was computed. [2020-07-20 16:23:35,179 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 857 902) no Hoare annotation was computed. [2020-07-20 16:23:35,179 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 857 902) no Hoare annotation was computed. [2020-07-20 16:23:35,179 INFO L268 CegarLoopResult]: For program point L877(lines 877 884) no Hoare annotation was computed. [2020-07-20 16:23:35,179 INFO L268 CegarLoopResult]: For program point L871(lines 871 891) no Hoare annotation was computed. [2020-07-20 16:23:35,179 INFO L268 CegarLoopResult]: For program point L871-1(lines 871 891) no Hoare annotation was computed. [2020-07-20 16:23:35,179 INFO L268 CegarLoopResult]: For program point L66-1(line 66) no Hoare annotation was computed. [2020-07-20 16:23:35,180 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:23:35,180 INFO L264 CegarLoopResult]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))))) [2020-07-20 16:23:35,180 INFO L268 CegarLoopResult]: For program point L73(lines 73 79) no Hoare annotation was computed. [2020-07-20 16:23:35,180 INFO L268 CegarLoopResult]: For program point L72(lines 72 82) no Hoare annotation was computed. [2020-07-20 16:23:35,180 INFO L264 CegarLoopResult]: At program point L70(line 70) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 16:23:35,180 INFO L268 CegarLoopResult]: For program point L70-1(line 70) no Hoare annotation was computed. [2020-07-20 16:23:35,180 INFO L268 CegarLoopResult]: For program point L68(lines 68 85) no Hoare annotation was computed. [2020-07-20 16:23:35,181 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2020-07-20 16:23:35,181 INFO L268 CegarLoopResult]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2020-07-20 16:23:35,181 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 16:23:35,181 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-20 16:23:35,181 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 52 59) no Hoare annotation was computed. [2020-07-20 16:23:35,181 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2020-07-20 16:23:35,181 INFO L268 CegarLoopResult]: For program point L545(lines 545 553) no Hoare annotation was computed. [2020-07-20 16:23:35,181 INFO L268 CegarLoopResult]: For program point L545-2(lines 545 553) no Hoare annotation was computed. [2020-07-20 16:23:35,182 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 537 559) no Hoare annotation was computed. [2020-07-20 16:23:35,182 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 537 559) no Hoare annotation was computed. [2020-07-20 16:23:35,182 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 537 559) no Hoare annotation was computed. [2020-07-20 16:23:35,182 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 94 103) no Hoare annotation was computed. [2020-07-20 16:23:35,182 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 94 103) no Hoare annotation was computed. [2020-07-20 16:23:35,182 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 94 103) no Hoare annotation was computed. [2020-07-20 16:23:35,182 INFO L268 CegarLoopResult]: For program point L803-2(lines 803 823) no Hoare annotation was computed. [2020-07-20 16:23:35,182 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 754 856) no Hoare annotation was computed. [2020-07-20 16:23:35,182 INFO L268 CegarLoopResult]: For program point L824(lines 802 825) no Hoare annotation was computed. [2020-07-20 16:23:35,182 INFO L268 CegarLoopResult]: For program point L783(lines 783 799) no Hoare annotation was computed. [2020-07-20 16:23:35,183 INFO L268 CegarLoopResult]: For program point L843(lines 843 850) no Hoare annotation was computed. [2020-07-20 16:23:35,183 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 754 856) no Hoare annotation was computed. [2020-07-20 16:23:35,183 INFO L268 CegarLoopResult]: For program point L804(lines 803 823) no Hoare annotation was computed. [2020-07-20 16:23:35,183 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-07-20 16:23:35,183 INFO L268 CegarLoopResult]: For program point L835-1(line 835) no Hoare annotation was computed. [2020-07-20 16:23:35,183 INFO L268 CegarLoopResult]: For program point L800(lines 800 841) no Hoare annotation was computed. [2020-07-20 16:23:35,183 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-07-20 16:23:35,183 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-07-20 16:23:35,183 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 754 856) no Hoare annotation was computed. [2020-07-20 16:23:35,184 INFO L268 CegarLoopResult]: For program point L778(lines 778 782) no Hoare annotation was computed. [2020-07-20 16:23:35,184 INFO L268 CegarLoopResult]: For program point L842(lines 842 853) no Hoare annotation was computed. [2020-07-20 16:23:35,184 INFO L268 CegarLoopResult]: For program point L805(lines 805 809) no Hoare annotation was computed. [2020-07-20 16:23:35,184 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:35,184 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2020-07-20 16:23:35,184 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:35,184 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 222 229) no Hoare annotation was computed. [2020-07-20 16:23:35,184 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2020-07-20 16:23:35,185 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3))) [2020-07-20 16:23:35,185 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2020-07-20 16:23:35,185 INFO L268 CegarLoopResult]: For program point L303(lines 303 307) no Hoare annotation was computed. [2020-07-20 16:23:35,185 INFO L271 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: true [2020-07-20 16:23:35,185 INFO L268 CegarLoopResult]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2020-07-20 16:23:35,186 INFO L268 CegarLoopResult]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-07-20 16:23:35,186 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2020-07-20 16:23:35,186 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 294 312) no Hoare annotation was computed. [2020-07-20 16:23:35,186 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 560 568) no Hoare annotation was computed. [2020-07-20 16:23:35,186 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 560 568) no Hoare annotation was computed. [2020-07-20 16:23:35,186 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 560 568) no Hoare annotation was computed. [2020-07-20 16:23:35,186 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 (= 0 ~pumpRunning~0) .cse3) (or .cse0 .cse1 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2020-07-20 16:23:35,186 INFO L268 CegarLoopResult]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2020-07-20 16:23:35,187 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2020-07-20 16:23:35,187 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:35,187 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 16:23:35,187 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:35,187 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2020-07-20 16:23:35,187 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2020-07-20 16:23:35,187 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2020-07-20 16:23:35,187 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not .cse0)) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and .cse4 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse1 .cse7 .cse8) (or .cse1 .cse2 .cse5 .cse9 .cse10) (or .cse0 .cse1 .cse3 .cse7) (or .cse6 .cse1 .cse5 .cse7 .cse8) (or .cse6 .cse1 .cse2 .cse5 .cse8) (or .cse1 .cse5 .cse9 .cse7 .cse10)))) [2020-07-20 16:23:35,188 INFO L264 CegarLoopResult]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse3 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse10 (not .cse5)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (and .cse8 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse7) (or .cse5 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6 .cse8) (or .cse5 .cse1 .cse2 .cse8) (or .cse1 .cse9 .cse2 .cse3 .cse10) (or .cse1 .cse9 .cse3 .cse10 .cse6) (or .cse0 .cse1 .cse3 .cse10 .cse6 .cse4)))) [2020-07-20 16:23:35,188 INFO L264 CegarLoopResult]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (not .cse0)) (.cse6 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse7 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (= 0 ~methAndRunningLastTime~0) .cse2 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse7) (or .cse1 .cse2 .cse4 .cse8) (or .cse0 .cse1 .cse3 .cse6) (or .cse1 .cse4 .cse8 .cse6) (or .cse5 .cse1 .cse2 .cse4 .cse7)))) [2020-07-20 16:23:35,188 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (<= ~waterLevel~0 1)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse9 (not .cse0)) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse10 (and .cse4 (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse1 .cse7 .cse8) (or .cse1 .cse2 .cse5 .cse9 .cse10) (or .cse0 .cse1 .cse3 .cse7) (or .cse6 .cse1 .cse5 .cse7 .cse8) (or .cse6 .cse1 .cse2 .cse5 .cse8) (or .cse1 .cse5 .cse9 .cse7 .cse10)))) [2020-07-20 16:23:35,188 INFO L268 CegarLoopResult]: For program point L143(lines 142 161) no Hoare annotation was computed. [2020-07-20 16:23:35,188 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2020-07-20 16:23:35,189 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2020-07-20 16:23:35,189 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2020-07-20 16:23:35,189 INFO L268 CegarLoopResult]: For program point L414(line 414) no Hoare annotation was computed. [2020-07-20 16:23:35,189 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: true [2020-07-20 16:23:35,189 INFO L268 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2020-07-20 16:23:35,190 INFO L271 CegarLoopResult]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2020-07-20 16:23:35,190 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-20 16:23:35,190 INFO L271 CegarLoopResult]: At program point L403-2(lines 403 417) the Hoare annotation is: true [2020-07-20 16:23:35,190 INFO L271 CegarLoopResult]: At program point L399(line 399) the Hoare annotation is: true [2020-07-20 16:23:35,190 INFO L268 CegarLoopResult]: For program point L399-1(line 399) no Hoare annotation was computed. [2020-07-20 16:23:35,190 INFO L271 CegarLoopResult]: At program point L418(lines 393 422) the Hoare annotation is: true [2020-07-20 16:23:35,190 INFO L268 CegarLoopResult]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2020-07-20 16:23:35,190 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 (not (= 0 ~methAndRunningLastTime~0)) .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-20 16:23:35,191 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2020-07-20 16:23:35,191 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2020-07-20 16:23:35,191 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2020-07-20 16:23:35,192 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 16:23:35,192 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 16:23:35,192 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 16:23:35,192 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 16:23:35,192 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2020-07-20 16:23:35,192 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (not (= 0 ~methAndRunningLastTime~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (not (<= 1 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3) (or .cse5 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3))) [2020-07-20 16:23:35,193 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 313 320) no Hoare annotation was computed. [2020-07-20 16:23:35,193 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse0 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not .cse0)) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse4 .cse5) (or .cse3 .cse1 .cse4 .cse2 .cse5)))) [2020-07-20 16:23:35,193 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not .cse3)) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse3 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4) (or .cse0 .cse1 .cse2 .cse4)))) [2020-07-20 16:23:35,193 INFO L268 CegarLoopResult]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2020-07-20 16:23:35,193 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2020-07-20 16:23:35,193 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) (not .cse3)) (or .cse3 .cse1 .cse4) (or .cse0 .cse1 .cse2 .cse4))) [2020-07-20 16:23:35,194 INFO L264 CegarLoopResult]: At program point L181(line 181) the Hoare annotation is: (let ((.cse7 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (not (<= ~waterLevel~0 1))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not .cse7)) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse6 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse1 .cse5 .cse6) (or .cse7 .cse1 .cse5)))) [2020-07-20 16:23:35,194 INFO L268 CegarLoopResult]: For program point L179(lines 179 187) no Hoare annotation was computed. [2020-07-20 16:23:35,194 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse2 .cse1 .cse4))) [2020-07-20 16:23:35,194 INFO L268 CegarLoopResult]: For program point L177-1(line 177) no Hoare annotation was computed. [2020-07-20 16:23:35,194 INFO L268 CegarLoopResult]: For program point L175(lines 175 192) no Hoare annotation was computed. [2020-07-20 16:23:35,194 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2020-07-20 16:23:35,194 INFO L268 CegarLoopResult]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2020-07-20 16:23:35,194 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 ~methAndRunningLastTime~0))) (.cse2 (not (<= 1 ~systemActive~0))) (.cse3 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 (not (= 0 ~pumpRunning~0))))) [2020-07-20 16:23:35,194 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-20 16:23:35,195 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-20 16:23:35,195 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-20 16:23:35,195 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-20 16:23:35,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 04:23:35 BoogieIcfgContainer [2020-07-20 16:23:35,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 16:23:35,223 INFO L168 Benchmark]: Toolchain (without parser) took 16510.56 ms. Allocated memory was 138.4 MB in the beginning and 383.3 MB in the end (delta: 244.8 MB). Free memory was 102.1 MB in the beginning and 294.4 MB in the end (delta: -192.3 MB). Peak memory consumption was 259.9 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:35,227 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 16:23:35,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.70 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.7 MB in the beginning and 172.9 MB in the end (delta: -71.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:35,232 INFO L168 Benchmark]: Boogie Preprocessor took 88.55 ms. Allocated memory is still 202.9 MB. Free memory was 172.9 MB in the beginning and 168.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:35,233 INFO L168 Benchmark]: RCFGBuilder took 1190.41 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 168.1 MB in the beginning and 198.4 MB in the end (delta: -30.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:35,236 INFO L168 Benchmark]: TraceAbstraction took 14598.74 ms. Allocated memory was 236.5 MB in the beginning and 383.3 MB in the end (delta: 146.8 MB). Free memory was 198.4 MB in the beginning and 294.4 MB in the end (delta: -95.9 MB). Peak memory consumption was 258.2 MB. Max. memory is 7.1 GB. [2020-07-20 16:23:35,238 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 625.70 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.7 MB in the beginning and 172.9 MB in the end (delta: -71.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.55 ms. Allocated memory is still 202.9 MB. Free memory was 172.9 MB in the beginning and 168.1 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1190.41 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 168.1 MB in the beginning and 198.4 MB in the end (delta: -30.4 MB). Peak memory consumption was 84.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14598.74 ms. Allocated memory was 236.5 MB in the beginning and 383.3 MB in the end (delta: 146.8 MB). Free memory was 198.4 MB in the beginning and 294.4 MB in the end (delta: -95.9 MB). Peak memory consumption was 258.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && splverifierCounter <= 0) && 1 <= systemActive)) || (((1 <= methaneLevelCritical && !(0 == pumpRunning)) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == methAndRunningLastTime && 1 <= methaneLevelCritical) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.4s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1766 SDtfs, 748 SDslu, 2979 SDs, 0 SdLazy, 735 SolverSat, 174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 952 GetRequests, 917 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=765occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 152 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1204 PreInvPairs, 1286 NumberOfFragments, 2315 HoareAnnotationTreeSize, 1204 FomulaSimplifications, 2271 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 61 FomulaSimplificationsInter, 6962 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 958 NumberOfCodeBlocks, 779 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 947 ConstructedInterpolants, 0 QuantifiedInterpolants, 182434 SizeOfPredicates, 26 NumberOfNonLiveVariables, 8031 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 84/84 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...