/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 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:43:31,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:43:31,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:43:31,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:43:31,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:43:31,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:43:31,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:43:31,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:43:31,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:43:31,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:43:31,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:43:31,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:43:31,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:43:31,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:43:31,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:43:31,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:43:31,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:43:31,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:43:31,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:43:31,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:43:31,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:43:31,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:43:31,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:43:31,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:43:31,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:43:31,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:43:31,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:43:31,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:43:31,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:43:31,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:43:31,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:43:31,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:43:31,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:43:31,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:43:31,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:43:31,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:43:31,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:43:31,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:43:31,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:43:31,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:43:31,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:43:31,471 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 [2020-07-21 15:43:31,501 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:43:31,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:43:31,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:43:31,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:43:31,504 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:43:31,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:43:31,504 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:43:31,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:43:31,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:43:31,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:43:31,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:43:31,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:43:31,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:43:31,506 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:43:31,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:43:31,506 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:43:31,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:43:31,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:43:31,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:43:31,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:43:31,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:43:31,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:43:31,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:43:31,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:43:31,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:43:31,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:43:31,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:31,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:43:31,509 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:43:31,509 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 -> 2 [2020-07-21 15:43:31,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:43:31,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:43:31,831 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:43:31,832 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:43:31,832 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:43:31,833 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-07-21 15:43:31,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee57b9050/d90c2a60856d4f27abf3571b3b1a9dcf/FLAGb0f103997 [2020-07-21 15:43:32,381 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:43:32,382 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-07-21 15:43:32,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee57b9050/d90c2a60856d4f27abf3571b3b1a9dcf/FLAGb0f103997 [2020-07-21 15:43:32,678 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee57b9050/d90c2a60856d4f27abf3571b3b1a9dcf [2020-07-21 15:43:32,687 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:43:32,690 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:43:32,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:43:32,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:43:32,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:43:32,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:43:32" (1/1) ... [2020-07-21 15:43:32,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59163806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:32, skipping insertion in model container [2020-07-21 15:43:32,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:43:32" (1/1) ... [2020-07-21 15:43:32,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:43:32,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:43:33,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:43:33,239 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:43:33,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:43:33,358 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:43:33,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:33 WrapperNode [2020-07-21 15:43:33,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:43:33,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:43:33,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:43:33,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:43:33,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:33" (1/1) ... [2020-07-21 15:43:33,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:33" (1/1) ... [2020-07-21 15:43:33,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:33" (1/1) ... [2020-07-21 15:43:33,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:33" (1/1) ... [2020-07-21 15:43:33,422 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:33" (1/1) ... [2020-07-21 15:43:33,434 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:33" (1/1) ... [2020-07-21 15:43:33,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:33" (1/1) ... [2020-07-21 15:43:33,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:43:33,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:43:33,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:43:33,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:43:33,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:33" (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 [2020-07-21 15:43:33,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:43:33,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:43:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:43:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:43:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:43:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:43:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:43:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:43:33,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:43:33,506 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:43:33,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:43:33,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:43:33,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 15:43:33,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:43:33,506 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:43:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:43:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:43:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:43:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:43:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 15:43:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 15:43:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:43:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:43:33,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:43:33,508 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:43:33,508 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:43:33,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 15:43:33,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 15:43:33,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 15:43:33,508 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:43:33,509 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:43:33,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:43:33,509 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:43:33,509 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:43:33,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:43:33,509 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:43:33,509 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:43:33,509 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:43:33,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:43:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:43:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:43:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 15:43:33,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 15:43:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:43:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:43:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:43:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:43:33,510 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:43:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:43:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:43:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:43:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:43:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:43:33,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:43:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:43:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:43:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:43:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:43:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:43:33,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:43:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:43:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:43:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:43:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:43:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:43:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:43:33,513 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 15:43:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 15:43:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:43:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:43:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:43:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:43:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:43:33,514 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 15:43:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 15:43:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:43:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:43:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 15:43:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:43:33,515 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 15:43:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 15:43:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:43:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:43:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:43:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:43:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:43:33,516 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:43:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:43:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:43:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:43:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:43:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:43:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 15:43:33,517 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:43:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:43:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:43:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:43:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:43:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:43:33,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:43:34,602 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:43:34,602 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:43:34,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:43:34 BoogieIcfgContainer [2020-07-21 15:43:34,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:43:34,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:43:34,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:43:34,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:43:34,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:43:32" (1/3) ... [2020-07-21 15:43:34,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c24b41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:43:34, skipping insertion in model container [2020-07-21 15:43:34,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:33" (2/3) ... [2020-07-21 15:43:34,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c24b41e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:43:34, skipping insertion in model container [2020-07-21 15:43:34,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:43:34" (3/3) ... [2020-07-21 15:43:34,618 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2020-07-21 15:43:34,629 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:43:34,637 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:43:34,652 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:43:34,679 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:43:34,679 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:43:34,680 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:43:34,680 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:43:34,680 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:43:34,680 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:43:34,681 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:43:34,681 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:43:34,705 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-07-21 15:43:34,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 15:43:34,716 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:34,717 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:34,718 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:34,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:34,723 INFO L82 PathProgramCache]: Analyzing trace with hash 2103350570, now seen corresponding path program 1 times [2020-07-21 15:43:34,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:34,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [583784606] [2020-07-21 15:43:34,733 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:43:35,137 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:35,137 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:35,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:43:35,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:35,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 15:43:35,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:35,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [583784606] [2020-07-21 15:43:35,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:35,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:43:35,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765647829] [2020-07-21 15:43:35,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:43:35,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:35,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:43:35,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:43:35,219 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 2 states. [2020-07-21 15:43:35,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:35,265 INFO L93 Difference]: Finished difference Result 308 states and 381 transitions. [2020-07-21 15:43:35,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:43:35,266 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 15:43:35,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:35,281 INFO L225 Difference]: With dead ends: 308 [2020-07-21 15:43:35,281 INFO L226 Difference]: Without dead ends: 156 [2020-07-21 15:43:35,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:43:35,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-07-21 15:43:35,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2020-07-21 15:43:35,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-21 15:43:35,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2020-07-21 15:43:35,348 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 59 [2020-07-21 15:43:35,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:35,349 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2020-07-21 15:43:35,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:43:35,349 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2020-07-21 15:43:35,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 15:43:35,354 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:35,354 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:35,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:35,566 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:35,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:35,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1329026362, now seen corresponding path program 1 times [2020-07-21 15:43:35,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:35,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [391055329] [2020-07-21 15:43:35,568 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:43:35,924 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:35,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:35,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:43:35,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:35,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:35,980 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:35,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [391055329] [2020-07-21 15:43:35,981 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:35,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:35,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538163123] [2020-07-21 15:43:35,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:35,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:35,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:35,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:35,984 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand 3 states. [2020-07-21 15:43:36,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:36,011 INFO L93 Difference]: Finished difference Result 284 states and 343 transitions. [2020-07-21 15:43:36,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:36,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-21 15:43:36,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:36,015 INFO L225 Difference]: With dead ends: 284 [2020-07-21 15:43:36,015 INFO L226 Difference]: Without dead ends: 156 [2020-07-21 15:43:36,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:36,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-07-21 15:43:36,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2020-07-21 15:43:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-21 15:43:36,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 183 transitions. [2020-07-21 15:43:36,036 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 183 transitions. Word has length 64 [2020-07-21 15:43:36,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:36,038 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 183 transitions. [2020-07-21 15:43:36,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:36,038 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions. [2020-07-21 15:43:36,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-21 15:43:36,042 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:36,042 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:36,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:36,258 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:36,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:36,258 INFO L82 PathProgramCache]: Analyzing trace with hash 681754523, now seen corresponding path program 1 times [2020-07-21 15:43:36,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:36,259 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2050207446] [2020-07-21 15:43:36,259 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:43:36,473 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:43:36,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:36,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:43:36,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:36,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 15:43:36,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:36,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2050207446] [2020-07-21 15:43:36,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:36,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:36,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767836786] [2020-07-21 15:43:36,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:36,499 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:36,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:36,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:36,500 INFO L87 Difference]: Start difference. First operand 156 states and 183 transitions. Second operand 3 states. [2020-07-21 15:43:36,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:36,520 INFO L93 Difference]: Finished difference Result 257 states and 301 transitions. [2020-07-21 15:43:36,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:36,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-07-21 15:43:36,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:36,523 INFO L225 Difference]: With dead ends: 257 [2020-07-21 15:43:36,523 INFO L226 Difference]: Without dead ends: 147 [2020-07-21 15:43:36,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:36,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-07-21 15:43:36,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2020-07-21 15:43:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-07-21 15:43:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 171 transitions. [2020-07-21 15:43:36,539 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 171 transitions. Word has length 78 [2020-07-21 15:43:36,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:36,539 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 171 transitions. [2020-07-21 15:43:36,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:36,539 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 171 transitions. [2020-07-21 15:43:36,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-21 15:43:36,542 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:36,542 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:36,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:36,757 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:36,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:36,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1768093168, now seen corresponding path program 1 times [2020-07-21 15:43:36,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:36,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444293162] [2020-07-21 15:43:36,759 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:43:37,074 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:37,074 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:37,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 15:43:37,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:37,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:37,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444293162] [2020-07-21 15:43:37,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:37,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 15:43:37,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588566751] [2020-07-21 15:43:37,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 15:43:37,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:37,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 15:43:37,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:43:37,140 INFO L87 Difference]: Start difference. First operand 147 states and 171 transitions. Second operand 7 states. [2020-07-21 15:43:37,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:37,982 INFO L93 Difference]: Finished difference Result 356 states and 444 transitions. [2020-07-21 15:43:37,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 15:43:37,983 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2020-07-21 15:43:37,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:37,989 INFO L225 Difference]: With dead ends: 356 [2020-07-21 15:43:37,989 INFO L226 Difference]: Without dead ends: 237 [2020-07-21 15:43:37,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-21 15:43:37,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-07-21 15:43:38,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 221. [2020-07-21 15:43:38,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-07-21 15:43:38,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 260 transitions. [2020-07-21 15:43:38,047 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 260 transitions. Word has length 82 [2020-07-21 15:43:38,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:38,047 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 260 transitions. [2020-07-21 15:43:38,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 15:43:38,048 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 260 transitions. [2020-07-21 15:43:38,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-21 15:43:38,051 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:38,052 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:38,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:38,253 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:38,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:38,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1083119363, now seen corresponding path program 1 times [2020-07-21 15:43:38,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:38,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [457935467] [2020-07-21 15:43:38,255 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:43:38,500 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:38,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:38,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:43:38,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:38,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:38,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:38,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [457935467] [2020-07-21 15:43:38,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:38,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:43:38,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204191472] [2020-07-21 15:43:38,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:43:38,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:38,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:43:38,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:43:38,554 INFO L87 Difference]: Start difference. First operand 221 states and 260 transitions. Second operand 6 states. [2020-07-21 15:43:38,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:38,593 INFO L93 Difference]: Finished difference Result 419 states and 506 transitions. [2020-07-21 15:43:38,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:43:38,593 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2020-07-21 15:43:38,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:38,597 INFO L225 Difference]: With dead ends: 419 [2020-07-21 15:43:38,597 INFO L226 Difference]: Without dead ends: 226 [2020-07-21 15:43:38,598 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:43:38,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-21 15:43:38,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-07-21 15:43:38,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-07-21 15:43:38,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 265 transitions. [2020-07-21 15:43:38,619 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 265 transitions. Word has length 97 [2020-07-21 15:43:38,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:38,619 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 265 transitions. [2020-07-21 15:43:38,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:43:38,620 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 265 transitions. [2020-07-21 15:43:38,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-21 15:43:38,621 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:38,621 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:38,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:38,835 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:38,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:38,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1010732805, now seen corresponding path program 1 times [2020-07-21 15:43:38,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:38,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1655254123] [2020-07-21 15:43:38,838 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:43:39,076 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:43:39,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:39,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 15:43:39,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:39,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:39,111 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:39,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1655254123] [2020-07-21 15:43:39,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:39,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:43:39,112 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414844634] [2020-07-21 15:43:39,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:43:39,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:39,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:43:39,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:43:39,113 INFO L87 Difference]: Start difference. First operand 226 states and 265 transitions. Second operand 5 states. [2020-07-21 15:43:39,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:39,142 INFO L93 Difference]: Finished difference Result 431 states and 527 transitions. [2020-07-21 15:43:39,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 15:43:39,143 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2020-07-21 15:43:39,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:39,145 INFO L225 Difference]: With dead ends: 431 [2020-07-21 15:43:39,145 INFO L226 Difference]: Without dead ends: 233 [2020-07-21 15:43:39,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:43:39,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-07-21 15:43:39,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230. [2020-07-21 15:43:39,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-07-21 15:43:39,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 269 transitions. [2020-07-21 15:43:39,163 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 269 transitions. Word has length 97 [2020-07-21 15:43:39,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:39,163 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 269 transitions. [2020-07-21 15:43:39,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:43:39,164 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 269 transitions. [2020-07-21 15:43:39,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-21 15:43:39,165 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:39,165 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:39,378 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:39,379 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:39,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:39,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1340498566, now seen corresponding path program 1 times [2020-07-21 15:43:39,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:39,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [267817902] [2020-07-21 15:43:39,381 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:43:39,601 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:39,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:39,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 15:43:39,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:39,634 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:39,634 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:39,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [267817902] [2020-07-21 15:43:39,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:39,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:39,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534634620] [2020-07-21 15:43:39,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:39,636 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:39,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:39,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:39,637 INFO L87 Difference]: Start difference. First operand 230 states and 269 transitions. Second operand 3 states. [2020-07-21 15:43:39,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:39,684 INFO L93 Difference]: Finished difference Result 604 states and 752 transitions. [2020-07-21 15:43:39,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:39,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-07-21 15:43:39,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:39,688 INFO L225 Difference]: With dead ends: 604 [2020-07-21 15:43:39,688 INFO L226 Difference]: Without dead ends: 402 [2020-07-21 15:43:39,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:39,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-07-21 15:43:39,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 399. [2020-07-21 15:43:39,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-07-21 15:43:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 483 transitions. [2020-07-21 15:43:39,715 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 483 transitions. Word has length 97 [2020-07-21 15:43:39,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:39,716 INFO L479 AbstractCegarLoop]: Abstraction has 399 states and 483 transitions. [2020-07-21 15:43:39,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 483 transitions. [2020-07-21 15:43:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-07-21 15:43:39,717 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:39,718 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:39,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:39,931 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:39,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:39,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1424414732, now seen corresponding path program 1 times [2020-07-21 15:43:39,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:39,933 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169096146] [2020-07-21 15:43:39,933 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:43:40,230 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:40,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:40,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 15:43:40,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:40,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:40,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:40,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [169096146] [2020-07-21 15:43:40,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:40,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 15:43:40,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505298909] [2020-07-21 15:43:40,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 15:43:40,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:40,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 15:43:40,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 15:43:40,364 INFO L87 Difference]: Start difference. First operand 399 states and 483 transitions. Second operand 10 states. [2020-07-21 15:43:41,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:41,735 INFO L93 Difference]: Finished difference Result 1056 states and 1449 transitions. [2020-07-21 15:43:41,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 15:43:41,736 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 101 [2020-07-21 15:43:41,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:41,741 INFO L225 Difference]: With dead ends: 1056 [2020-07-21 15:43:41,741 INFO L226 Difference]: Without dead ends: 685 [2020-07-21 15:43:41,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-21 15:43:41,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2020-07-21 15:43:41,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 521. [2020-07-21 15:43:41,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2020-07-21 15:43:41,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 636 transitions. [2020-07-21 15:43:41,801 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 636 transitions. Word has length 101 [2020-07-21 15:43:41,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:41,804 INFO L479 AbstractCegarLoop]: Abstraction has 521 states and 636 transitions. [2020-07-21 15:43:41,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 15:43:41,804 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 636 transitions. [2020-07-21 15:43:41,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-21 15:43:41,811 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:41,811 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:42,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:42,012 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:42,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:42,013 INFO L82 PathProgramCache]: Analyzing trace with hash -578790576, now seen corresponding path program 1 times [2020-07-21 15:43:42,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:42,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853647572] [2020-07-21 15:43:42,014 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 15:43:42,278 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:42,278 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:42,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:43:42,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:42,366 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:42,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 15:43:42,809 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 15:43:42,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1853647572] [2020-07-21 15:43:42,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 15:43:42,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 15:43:42,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737873743] [2020-07-21 15:43:42,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 15:43:42,811 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:42,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 15:43:42,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 15:43:42,812 INFO L87 Difference]: Start difference. First operand 521 states and 636 transitions. Second operand 10 states. [2020-07-21 15:43:43,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:43,718 INFO L93 Difference]: Finished difference Result 1103 states and 1365 transitions. [2020-07-21 15:43:43,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 15:43:43,722 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2020-07-21 15:43:43,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:43,723 INFO L225 Difference]: With dead ends: 1103 [2020-07-21 15:43:43,723 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:43:43,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 343 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 15:43:43,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:43:43,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:43:43,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:43:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:43:43,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2020-07-21 15:43:43,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:43,728 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:43:43,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 15:43:43,728 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:43:43,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:43:43,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:43,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:43:45,190 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-07-21 15:43:45,441 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-07-21 15:43:45,721 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-07-21 15:43:46,074 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-07-21 15:43:46,222 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2020-07-21 15:43:46,455 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-07-21 15:43:46,962 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 15:43:47,754 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-07-21 15:43:47,883 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-21 15:43:48,163 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2020-07-21 15:43:48,493 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-21 15:43:48,493 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-21 15:43:48,493 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 15:43:48,493 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-21 15:43:48,493 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-21 15:43:48,494 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-21 15:43:48,494 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-21 15:43:48,494 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-21 15:43:48,494 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 15:43:48,494 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-21 15:43:48,494 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-21 15:43:48,494 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-21 15:43:48,494 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-21 15:43:48,494 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 15:43:48,494 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-21 15:43:48,495 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-21 15:43:48,495 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-21 15:43:48,495 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-21 15:43:48,496 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 665 671) the Hoare annotation is: true [2020-07-21 15:43:48,496 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 665 671) no Hoare annotation was computed. [2020-07-21 15:43:48,496 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 672 680) no Hoare annotation was computed. [2020-07-21 15:43:48,496 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 672 680) the Hoare annotation is: true [2020-07-21 15:43:48,496 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 672 680) no Hoare annotation was computed. [2020-07-21 15:43:48,497 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 753 760) the Hoare annotation is: true [2020-07-21 15:43:48,497 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 753 760) no Hoare annotation was computed. [2020-07-21 15:43:48,497 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 753 760) no Hoare annotation was computed. [2020-07-21 15:43:48,497 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 761 770) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-21 15:43:48,497 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-07-21 15:43:48,497 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 761 770) no Hoare annotation was computed. [2020-07-21 15:43:48,497 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 761 770) no Hoare annotation was computed. [2020-07-21 15:43:48,498 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-21 15:43:48,498 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 771 799) the Hoare annotation is: true [2020-07-21 15:43:48,498 INFO L268 CegarLoopResult]: For program point L784(lines 784 790) no Hoare annotation was computed. [2020-07-21 15:43:48,498 INFO L268 CegarLoopResult]: For program point L783(lines 783 793) no Hoare annotation was computed. [2020-07-21 15:43:48,498 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 15:43:48,498 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-07-21 15:43:48,498 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 771 799) no Hoare annotation was computed. [2020-07-21 15:43:48,498 INFO L268 CegarLoopResult]: For program point L779(lines 779 796) no Hoare annotation was computed. [2020-07-21 15:43:48,499 INFO L268 CegarLoopResult]: For program point L779-1(lines 771 799) no Hoare annotation was computed. [2020-07-21 15:43:48,499 INFO L271 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: true [2020-07-21 15:43:48,499 INFO L268 CegarLoopResult]: For program point L777-1(line 777) no Hoare annotation was computed. [2020-07-21 15:43:48,499 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 896) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:48,499 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 896) no Hoare annotation was computed. [2020-07-21 15:43:48,499 INFO L264 CegarLoopResult]: At program point L886(line 886) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:48,499 INFO L264 CegarLoopResult]: At program point L886-1(line 886) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:48,499 INFO L268 CegarLoopResult]: For program point L884(lines 884 891) no Hoare annotation was computed. [2020-07-21 15:43:48,499 INFO L268 CegarLoopResult]: For program point L884-1(lines 884 891) no Hoare annotation was computed. [2020-07-21 15:43:48,499 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-21 15:43:48,500 INFO L264 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:48,500 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:48,500 INFO L264 CegarLoopResult]: At program point L880-1(line 880) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:48,500 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 874 896) no Hoare annotation was computed. [2020-07-21 15:43:48,500 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 832 855) no Hoare annotation was computed. [2020-07-21 15:43:48,500 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 832 855) no Hoare annotation was computed. [2020-07-21 15:43:48,500 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 832 855) no Hoare annotation was computed. [2020-07-21 15:43:48,501 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-07-21 15:43:48,501 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-07-21 15:43:48,501 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-07-21 15:43:48,501 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-07-21 15:43:48,501 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-21 15:43:48,501 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-07-21 15:43:48,501 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-21 15:43:48,501 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-07-21 15:43:48,502 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-21 15:43:48,502 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-21 15:43:48,502 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-07-21 15:43:48,502 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-07-21 15:43:48,502 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-07-21 15:43:48,502 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-07-21 15:43:48,502 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 560 568) no Hoare annotation was computed. [2020-07-21 15:43:48,502 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 560 568) the Hoare annotation is: true [2020-07-21 15:43:48,502 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 560 568) no Hoare annotation was computed. [2020-07-21 15:43:48,503 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 624 642) the Hoare annotation is: true [2020-07-21 15:43:48,503 INFO L268 CegarLoopResult]: For program point L633(lines 633 637) no Hoare annotation was computed. [2020-07-21 15:43:48,503 INFO L271 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: true [2020-07-21 15:43:48,503 INFO L268 CegarLoopResult]: For program point L633-2(lines 633 637) no Hoare annotation was computed. [2020-07-21 15:43:48,503 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-07-21 15:43:48,503 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 624 642) no Hoare annotation was computed. [2020-07-21 15:43:48,503 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 624 642) no Hoare annotation was computed. [2020-07-21 15:43:48,503 INFO L268 CegarLoopResult]: For program point L576(lines 576 584) no Hoare annotation was computed. [2020-07-21 15:43:48,503 INFO L268 CegarLoopResult]: For program point L576-2(lines 576 584) no Hoare annotation was computed. [2020-07-21 15:43:48,504 INFO L268 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-07-21 15:43:48,504 INFO L268 CegarLoopResult]: For program point L599-1(line 599) no Hoare annotation was computed. [2020-07-21 15:43:48,504 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 569 604) no Hoare annotation was computed. [2020-07-21 15:43:48,504 INFO L268 CegarLoopResult]: For program point L588(lines 588 596) no Hoare annotation was computed. [2020-07-21 15:43:48,504 INFO L268 CegarLoopResult]: For program point L588-2(lines 588 596) no Hoare annotation was computed. [2020-07-21 15:43:48,504 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 569 604) no Hoare annotation was computed. [2020-07-21 15:43:48,504 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 569 604) no Hoare annotation was computed. [2020-07-21 15:43:48,504 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 658 664) no Hoare annotation was computed. [2020-07-21 15:43:48,504 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 658 664) the Hoare annotation is: true [2020-07-21 15:43:48,505 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-21 15:43:48,505 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-21 15:43:48,505 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-21 15:43:48,505 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-21 15:43:48,505 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-21 15:43:48,505 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-21 15:43:48,505 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-21 15:43:48,505 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-21 15:43:48,505 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-21 15:43:48,506 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 863 873) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:48,506 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 863 873) no Hoare annotation was computed. [2020-07-21 15:43:48,506 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 863 873) no Hoare annotation was computed. [2020-07-21 15:43:48,506 INFO L264 CegarLoopResult]: At program point L868(line 868) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:48,506 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 549 559) the Hoare annotation is: true [2020-07-21 15:43:48,506 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 549 559) no Hoare annotation was computed. [2020-07-21 15:43:48,506 INFO L271 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: true [2020-07-21 15:43:48,507 INFO L268 CegarLoopResult]: For program point L554-1(line 554) no Hoare annotation was computed. [2020-07-21 15:43:48,507 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 549 559) no Hoare annotation was computed. [2020-07-21 15:43:48,507 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 541 548) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-21 15:43:48,507 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 541 548) no Hoare annotation was computed. [2020-07-21 15:43:48,507 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 541 548) no Hoare annotation was computed. [2020-07-21 15:43:48,507 INFO L268 CegarLoopResult]: For program point L990(lines 990 996) no Hoare annotation was computed. [2020-07-21 15:43:48,507 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 986 999) no Hoare annotation was computed. [2020-07-21 15:43:48,507 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 986 999) the Hoare annotation is: true [2020-07-21 15:43:48,508 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 986 999) no Hoare annotation was computed. [2020-07-21 15:43:48,508 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-07-21 15:43:48,508 INFO L268 CegarLoopResult]: For program point L512(lines 512 529) no Hoare annotation was computed. [2020-07-21 15:43:48,508 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 508 532) no Hoare annotation was computed. [2020-07-21 15:43:48,508 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 508 532) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:48,508 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:48,508 INFO L268 CegarLoopResult]: For program point L527-1(lines 508 532) no Hoare annotation was computed. [2020-07-21 15:43:48,509 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:48,509 INFO L264 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:48,509 INFO L268 CegarLoopResult]: For program point L516(lines 516 524) no Hoare annotation was computed. [2020-07-21 15:43:48,509 INFO L264 CegarLoopResult]: At program point L514(line 514) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:48,509 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 448 454) no Hoare annotation was computed. [2020-07-21 15:43:48,509 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 448 454) the Hoare annotation is: true [2020-07-21 15:43:48,509 INFO L264 CegarLoopResult]: At program point testENTRY(lines 685 748) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:48,510 INFO L268 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-07-21 15:43:48,510 INFO L264 CegarLoopResult]: At program point L731-2(lines 725 736) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-21 15:43:48,510 INFO L268 CegarLoopResult]: For program point L696(lines 695 740) no Hoare annotation was computed. [2020-07-21 15:43:48,510 INFO L268 CegarLoopResult]: For program point testFINAL(lines 685 748) no Hoare annotation was computed. [2020-07-21 15:43:48,510 INFO L268 CegarLoopResult]: For program point L725(lines 725 736) no Hoare annotation was computed. [2020-07-21 15:43:48,510 INFO L264 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-21 15:43:48,511 INFO L268 CegarLoopResult]: For program point L715(lines 715 721) no Hoare annotation was computed. [2020-07-21 15:43:48,511 INFO L268 CegarLoopResult]: For program point L715-1(lines 715 721) no Hoare annotation was computed. [2020-07-21 15:43:48,511 INFO L264 CegarLoopResult]: At program point L707(line 707) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-21 15:43:48,511 INFO L264 CegarLoopResult]: At program point L738(lines 695 740) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-21 15:43:48,511 INFO L268 CegarLoopResult]: For program point L705(lines 705 711) no Hoare annotation was computed. [2020-07-21 15:43:48,511 INFO L268 CegarLoopResult]: For program point L705-1(lines 705 711) no Hoare annotation was computed. [2020-07-21 15:43:48,511 INFO L268 CegarLoopResult]: For program point L697(lines 697 701) no Hoare annotation was computed. [2020-07-21 15:43:48,512 INFO L264 CegarLoopResult]: At program point L741(lines 694 742) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:43:48,512 INFO L268 CegarLoopResult]: For program point testEXIT(lines 685 748) no Hoare annotation was computed. [2020-07-21 15:43:48,512 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-21 15:43:48,512 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-21 15:43:48,512 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-21 15:43:48,512 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-21 15:43:48,512 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-21 15:43:48,512 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-21 15:43:48,513 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 1000 1008) no Hoare annotation was computed. [2020-07-21 15:43:48,513 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 1000 1008) the Hoare annotation is: true [2020-07-21 15:43:48,513 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 1000 1008) no Hoare annotation was computed. [2020-07-21 15:43:48,513 INFO L268 CegarLoopResult]: For program point L962-2(lines 962 970) no Hoare annotation was computed. [2020-07-21 15:43:48,513 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 954 976) no Hoare annotation was computed. [2020-07-21 15:43:48,513 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 954 976) no Hoare annotation was computed. [2020-07-21 15:43:48,513 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 954 976) no Hoare annotation was computed. [2020-07-21 15:43:48,514 INFO L268 CegarLoopResult]: For program point L962(lines 962 970) no Hoare annotation was computed. [2020-07-21 15:43:48,514 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-21 15:43:48,514 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-21 15:43:48,514 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-21 15:43:48,514 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-21 15:43:48,514 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-21 15:43:48,514 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-21 15:43:48,514 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-21 15:43:48,515 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-21 15:43:48,515 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-21 15:43:48,515 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-21 15:43:48,515 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-21 15:43:48,515 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-21 15:43:48,515 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-21 15:43:48,515 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-21 15:43:48,515 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-21 15:43:48,516 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-21 15:43:48,516 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 648 657) no Hoare annotation was computed. [2020-07-21 15:43:48,516 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 648 657) no Hoare annotation was computed. [2020-07-21 15:43:48,516 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 648 657) no Hoare annotation was computed. [2020-07-21 15:43:48,516 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:48,516 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-21 15:43:48,516 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:48,517 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 533 540) no Hoare annotation was computed. [2020-07-21 15:43:48,517 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 533 540) no Hoare annotation was computed. [2020-07-21 15:43:48,517 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 533 540) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 15:43:48,517 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 605 623) no Hoare annotation was computed. [2020-07-21 15:43:48,517 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-07-21 15:43:48,517 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 605 623) the Hoare annotation is: true [2020-07-21 15:43:48,517 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 605 623) no Hoare annotation was computed. [2020-07-21 15:43:48,517 INFO L271 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: true [2020-07-21 15:43:48,518 INFO L268 CegarLoopResult]: For program point L614-2(lines 614 618) no Hoare annotation was computed. [2020-07-21 15:43:48,518 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-07-21 15:43:48,518 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 977 985) the Hoare annotation is: true [2020-07-21 15:43:48,518 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 977 985) no Hoare annotation was computed. [2020-07-21 15:43:48,518 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 977 985) no Hoare annotation was computed. [2020-07-21 15:43:48,518 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:48,518 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:43:48,518 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:48,519 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 933 944) the Hoare annotation is: true [2020-07-21 15:43:48,519 INFO L268 CegarLoopResult]: For program point L937-1(lines 933 944) no Hoare annotation was computed. [2020-07-21 15:43:48,519 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 933 944) no Hoare annotation was computed. [2020-07-21 15:43:48,519 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 945 953) the Hoare annotation is: true [2020-07-21 15:43:48,519 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 945 953) no Hoare annotation was computed. [2020-07-21 15:43:48,519 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 945 953) no Hoare annotation was computed. [2020-07-21 15:43:48,519 INFO L264 CegarLoopResult]: At program point L437(line 437) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse2) .cse3 .cse4) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse5 .cse6 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse7 .cse2)) (or .cse0 .cse5 .cse6 .cse3 .cse4)))) [2020-07-21 15:43:48,520 INFO L264 CegarLoopResult]: At program point L435(lines 435 441) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (<= ~waterLevel~0 1)) (.cse11 (<= 1 ~pumpRunning~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse12 .cse11)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (and .cse3 .cse4 (<= 1 ~switchedOnBeforeTS~0) .cse12)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse5 .cse6 .cse7) (or .cse1 .cse5 .cse6 .cse7 .cse8 .cse9) (let ((.cse10 (<= 2 ~waterLevel~0))) (or .cse1 (and .cse10 .cse3 .cse4) .cse2 (and .cse10 .cse3 .cse11) .cse8 .cse9))))) [2020-07-21 15:43:48,520 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 421 447) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2020-07-21 15:43:48,520 INFO L264 CegarLoopResult]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse0 .cse4) (or .cse0 .cse4 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 15:43:48,520 INFO L268 CegarLoopResult]: For program point L428(lines 424 446) no Hoare annotation was computed. [2020-07-21 15:43:48,520 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 421 447) no Hoare annotation was computed. [2020-07-21 15:43:48,521 INFO L268 CegarLoopResult]: For program point L426(lines 424 446) no Hoare annotation was computed. [2020-07-21 15:43:48,521 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 421 447) no Hoare annotation was computed. [2020-07-21 15:43:48,521 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 802 831) no Hoare annotation was computed. [2020-07-21 15:43:48,521 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 802 831) the Hoare annotation is: true [2020-07-21 15:43:48,521 INFO L271 CegarLoopResult]: At program point L827(lines 802 831) the Hoare annotation is: true [2020-07-21 15:43:48,521 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-21 15:43:48,521 INFO L268 CegarLoopResult]: For program point L816(lines 816 820) no Hoare annotation was computed. [2020-07-21 15:43:48,521 INFO L271 CegarLoopResult]: At program point L816-1(lines 816 820) the Hoare annotation is: true [2020-07-21 15:43:48,522 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-07-21 15:43:48,522 INFO L271 CegarLoopResult]: At program point L812-2(lines 812 826) the Hoare annotation is: true [2020-07-21 15:43:48,522 INFO L271 CegarLoopResult]: At program point L808(line 808) the Hoare annotation is: true [2020-07-21 15:43:48,522 INFO L268 CegarLoopResult]: For program point L808-1(line 808) no Hoare annotation was computed. [2020-07-21 15:43:48,522 INFO L268 CegarLoopResult]: For program point L913-1(lines 909 920) no Hoare annotation was computed. [2020-07-21 15:43:48,522 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 909 920) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 15:43:48,522 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 909 920) no Hoare annotation was computed. [2020-07-21 15:43:48,522 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 856 862) no Hoare annotation was computed. [2020-07-21 15:43:48,523 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 856 862) the Hoare annotation is: true [2020-07-21 15:43:48,523 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:48,523 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 15:43:48,523 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:43:48,523 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:48,523 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 456 480) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:48,523 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 456 480) no Hoare annotation was computed. [2020-07-21 15:43:48,524 INFO L264 CegarLoopResult]: At program point L475(line 475) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:48,524 INFO L268 CegarLoopResult]: For program point L475-1(lines 456 480) no Hoare annotation was computed. [2020-07-21 15:43:48,524 INFO L264 CegarLoopResult]: At program point L470(line 470) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= 0 ~pumpRunning~0))))) [2020-07-21 15:43:48,524 INFO L264 CegarLoopResult]: At program point L466(line 466) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:48,524 INFO L268 CegarLoopResult]: For program point L464(lines 464 472) no Hoare annotation was computed. [2020-07-21 15:43:48,524 INFO L264 CegarLoopResult]: At program point L462(line 462) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:48,525 INFO L268 CegarLoopResult]: For program point L462-1(line 462) no Hoare annotation was computed. [2020-07-21 15:43:48,525 INFO L268 CegarLoopResult]: For program point L460(lines 460 477) no Hoare annotation was computed. [2020-07-21 15:43:48,525 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 921 932) no Hoare annotation was computed. [2020-07-21 15:43:48,525 INFO L268 CegarLoopResult]: For program point L925-1(lines 921 932) no Hoare annotation was computed. [2020-07-21 15:43:48,525 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 921 932) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-21 15:43:48,525 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 898 905) no Hoare annotation was computed. [2020-07-21 15:43:48,525 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 902) no Hoare annotation was computed. [2020-07-21 15:43:48,525 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 898 905) the Hoare annotation is: true [2020-07-21 15:43:48,526 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 898 905) no Hoare annotation was computed. [2020-07-21 15:43:48,526 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 482 506) no Hoare annotation was computed. [2020-07-21 15:43:48,526 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 482 506) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:48,526 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:48,526 INFO L268 CegarLoopResult]: For program point L501-1(lines 482 506) no Hoare annotation was computed. [2020-07-21 15:43:48,526 INFO L264 CegarLoopResult]: At program point L496(line 496) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:48,526 INFO L264 CegarLoopResult]: At program point L492(line 492) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:48,527 INFO L268 CegarLoopResult]: For program point L490(lines 490 498) no Hoare annotation was computed. [2020-07-21 15:43:48,527 INFO L264 CegarLoopResult]: At program point L488(line 488) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:48,527 INFO L268 CegarLoopResult]: For program point L488-1(line 488) no Hoare annotation was computed. [2020-07-21 15:43:48,527 INFO L268 CegarLoopResult]: For program point L486(lines 486 503) no Hoare annotation was computed. [2020-07-21 15:43:48,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:43:48 BoogieIcfgContainer [2020-07-21 15:43:48,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:43:48,546 INFO L168 Benchmark]: Toolchain (without parser) took 15857.15 ms. Allocated memory was 138.9 MB in the beginning and 414.7 MB in the end (delta: 275.8 MB). Free memory was 103.0 MB in the beginning and 284.2 MB in the end (delta: -181.2 MB). Peak memory consumption was 292.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:48,547 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 15:43:48,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.48 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 171.2 MB in the end (delta: -68.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:48,548 INFO L168 Benchmark]: Boogie Preprocessor took 88.34 ms. Allocated memory is still 202.4 MB. Free memory was 171.2 MB in the beginning and 167.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:48,549 INFO L168 Benchmark]: RCFGBuilder took 1160.36 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 167.0 MB in the beginning and 192.6 MB in the end (delta: -25.6 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:48,550 INFO L168 Benchmark]: TraceAbstraction took 13934.78 ms. Allocated memory was 236.5 MB in the beginning and 414.7 MB in the end (delta: 178.3 MB). Free memory was 192.6 MB in the beginning and 284.2 MB in the end (delta: -91.6 MB). Peak memory consumption was 284.0 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:48,553 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 668.48 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 102.6 MB in the beginning and 171.2 MB in the end (delta: -68.6 MB). Peak memory consumption was 30.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.34 ms. Allocated memory is still 202.4 MB. Free memory was 171.2 MB in the beginning and 167.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1160.36 ms. Allocated memory was 202.4 MB in the beginning and 236.5 MB in the end (delta: 34.1 MB). Free memory was 167.0 MB in the beginning and 192.6 MB in the end (delta: -25.6 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13934.78 ms. Allocated memory was 236.5 MB in the beginning and 414.7 MB in the end (delta: 178.3 MB). Free memory was 192.6 MB in the beginning and 284.2 MB in the end (delta: -91.6 MB). Peak memory consumption was 284.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 902]: 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: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || (((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || ((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0)) || (((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= pumpRunning) - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.2s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1802 SDtfs, 1311 SDslu, 3155 SDs, 0 SdLazy, 1987 SolverSat, 586 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1048 GetRequests, 987 SyntacticMatches, 6 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=521occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 186 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1124 PreInvPairs, 1199 NumberOfFragments, 1708 HoareAnnotationTreeSize, 1124 FomulaSimplifications, 1074 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 69 FomulaSimplificationsInter, 7536 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 853 NumberOfCodeBlocks, 766 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1021 ConstructedInterpolants, 0 QuantifiedInterpolants, 229785 SizeOfPredicates, 23 NumberOfNonLiveVariables, 6715 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 90/116 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...