/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 13:05:02,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 13:05:02,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 13:05:02,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 13:05:02,401 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 13:05:02,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 13:05:02,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 13:05:02,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 13:05:02,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 13:05:02,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 13:05:02,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 13:05:02,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 13:05:02,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 13:05:02,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 13:05:02,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 13:05:02,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 13:05:02,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 13:05:02,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 13:05:02,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 13:05:02,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 13:05:02,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 13:05:02,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 13:05:02,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 13:05:02,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 13:05:02,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 13:05:02,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 13:05:02,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 13:05:02,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 13:05:02,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 13:05:02,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 13:05:02,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 13:05:02,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 13:05:02,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 13:05:02,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 13:05:02,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 13:05:02,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 13:05:02,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 13:05:02,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 13:05:02,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 13:05:02,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 13:05:02,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 13:05:02,447 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 13:05:02,471 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 13:05:02,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 13:05:02,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 13:05:02,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 13:05:02,473 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 13:05:02,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 13:05:02,474 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 13:05:02,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 13:05:02,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 13:05:02,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 13:05:02,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 13:05:02,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 13:05:02,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 13:05:02,476 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 13:05:02,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 13:05:02,476 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 13:05:02,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 13:05:02,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 13:05:02,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 13:05:02,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 13:05:02,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 13:05:02,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:05:02,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 13:05:02,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 13:05:02,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 13:05:02,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 13:05:02,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:02,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 13:05:02,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 13:05:02,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 13:05:02,780 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 13:05:02,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 13:05:02,796 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 13:05:02,797 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 13:05:02,798 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 13:05:02,798 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-07-20 13:05:02,858 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cc4d2b37/709f3c12816e42c1a88119936c71db8f/FLAG89ddaadf2 [2020-07-20 13:05:03,399 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 13:05:03,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product60.cil.c [2020-07-20 13:05:03,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cc4d2b37/709f3c12816e42c1a88119936c71db8f/FLAG89ddaadf2 [2020-07-20 13:05:03,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cc4d2b37/709f3c12816e42c1a88119936c71db8f [2020-07-20 13:05:03,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 13:05:03,689 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 13:05:03,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 13:05:03,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 13:05:03,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 13:05:03,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:05:03" (1/1) ... [2020-07-20 13:05:03,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5e6636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:03, skipping insertion in model container [2020-07-20 13:05:03,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:05:03" (1/1) ... [2020-07-20 13:05:03,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 13:05:03,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 13:05:04,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:05:04,236 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 13:05:04,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 13:05:04,375 INFO L208 MainTranslator]: Completed translation [2020-07-20 13:05:04,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:04 WrapperNode [2020-07-20 13:05:04,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 13:05:04,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 13:05:04,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 13:05:04,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 13:05:04,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:04" (1/1) ... [2020-07-20 13:05:04,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:04" (1/1) ... [2020-07-20 13:05:04,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:04" (1/1) ... [2020-07-20 13:05:04,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:04" (1/1) ... [2020-07-20 13:05:04,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:04" (1/1) ... [2020-07-20 13:05:04,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:04" (1/1) ... [2020-07-20 13:05:04,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:04" (1/1) ... [2020-07-20 13:05:04,476 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 13:05:04,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 13:05:04,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 13:05:04,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 13:05:04,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 13:05:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 13:05:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 13:05:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 13:05:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 13:05:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 13:05:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:05:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 13:05:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 13:05:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 13:05:04,550 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 13:05:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 13:05:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 13:05:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 13:05:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 13:05:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-20 13:05:04,551 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 13:05:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 13:05:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 13:05:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:05:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:05:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:05:04,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 13:05:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 13:05:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 13:05:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 13:05:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 13:05:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 13:05:04,553 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 13:05:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 13:05:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 13:05:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 13:05:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 13:05:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 13:05:04,554 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 13:05:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 13:05:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 13:05:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 13:05:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 13:05:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 13:05:04,555 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 13:05:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 13:05:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 13:05:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 13:05:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 13:05:04,556 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-20 13:05:04,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 13:05:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 13:05:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 13:05:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 13:05:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 13:05:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 13:05:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 13:05:04,557 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-20 13:05:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 13:05:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 13:05:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 13:05:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 13:05:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 13:05:04,558 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 13:05:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 13:05:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 13:05:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 13:05:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 13:05:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 13:05:04,559 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 13:05:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 13:05:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-20 13:05:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-20 13:05:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 13:05:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 13:05:04,560 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 13:05:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 13:05:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 13:05:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 13:05:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 13:05:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 13:05:04,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 13:05:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 13:05:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 13:05:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 13:05:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 13:05:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 13:05:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 13:05:04,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 13:05:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 13:05:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 13:05:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 13:05:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 13:05:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 13:05:04,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 13:05:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 13:05:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 13:05:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 13:05:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 13:05:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 13:05:04,564 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 13:05:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 13:05:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 13:05:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 13:05:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 13:05:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 13:05:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 13:05:04,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 13:05:04,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 13:05:05,661 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 13:05:05,661 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 13:05:05,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:05 BoogieIcfgContainer [2020-07-20 13:05:05,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 13:05:05,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 13:05:05,668 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 13:05:05,671 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 13:05:05,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:05:03" (1/3) ... [2020-07-20 13:05:05,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2736bf5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:05, skipping insertion in model container [2020-07-20 13:05:05,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:05:04" (2/3) ... [2020-07-20 13:05:05,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2736bf5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:05:05, skipping insertion in model container [2020-07-20 13:05:05,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:05:05" (3/3) ... [2020-07-20 13:05:05,675 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2020-07-20 13:05:05,686 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 13:05:05,695 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 13:05:05,709 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 13:05:05,736 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 13:05:05,736 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 13:05:05,736 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 13:05:05,736 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 13:05:05,737 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 13:05:05,738 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 13:05:05,738 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 13:05:05,738 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 13:05:05,762 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2020-07-20 13:05:05,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 13:05:05,773 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:05,774 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] [2020-07-20 13:05:05,774 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:05,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:05,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1771327782, now seen corresponding path program 1 times [2020-07-20 13:05:05,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:05,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1724243123] [2020-07-20 13:05:05,787 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:06,274 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:06,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:06,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 13:05:06,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:06,327 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:05:06,327 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:06,329 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1724243123] [2020-07-20 13:05:06,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:06,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 13:05:06,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584032270] [2020-07-20 13:05:06,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 13:05:06,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:06,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 13:05:06,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 13:05:06,354 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 2 states. [2020-07-20 13:05:06,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:06,402 INFO L93 Difference]: Finished difference Result 322 states and 393 transitions. [2020-07-20 13:05:06,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 13:05:06,403 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 13:05:06,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:06,418 INFO L225 Difference]: With dead ends: 322 [2020-07-20 13:05:06,418 INFO L226 Difference]: Without dead ends: 163 [2020-07-20 13:05:06,423 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 [2020-07-20 13:05:06,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-07-20 13:05:06,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-07-20 13:05:06,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-07-20 13:05:06,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 190 transitions. [2020-07-20 13:05:06,535 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 190 transitions. Word has length 59 [2020-07-20 13:05:06,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:06,535 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 190 transitions. [2020-07-20 13:05:06,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 13:05:06,535 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 190 transitions. [2020-07-20 13:05:06,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 13:05:06,542 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:06,542 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] [2020-07-20 13:05:06,743 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:06,745 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:06,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:06,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1467126020, now seen corresponding path program 1 times [2020-07-20 13:05:06,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:06,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881529406] [2020-07-20 13:05:06,748 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:07,192 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:07,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:07,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 13:05:07,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:07,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 13:05:07,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:07,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881529406] [2020-07-20 13:05:07,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:07,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:07,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511065425] [2020-07-20 13:05:07,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:07,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:07,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:07,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:07,249 INFO L87 Difference]: Start difference. First operand 163 states and 190 transitions. Second operand 3 states. [2020-07-20 13:05:07,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:07,272 INFO L93 Difference]: Finished difference Result 261 states and 303 transitions. [2020-07-20 13:05:07,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:07,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 13:05:07,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:07,276 INFO L225 Difference]: With dead ends: 261 [2020-07-20 13:05:07,276 INFO L226 Difference]: Without dead ends: 154 [2020-07-20 13:05:07,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:07,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-07-20 13:05:07,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2020-07-20 13:05:07,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-07-20 13:05:07,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2020-07-20 13:05:07,293 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 60 [2020-07-20 13:05:07,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:07,294 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2020-07-20 13:05:07,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2020-07-20 13:05:07,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 13:05:07,297 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:07,297 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] [2020-07-20 13:05:07,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:07,510 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:07,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:07,511 INFO L82 PathProgramCache]: Analyzing trace with hash 2049486337, now seen corresponding path program 1 times [2020-07-20 13:05:07,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:07,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1359775660] [2020-07-20 13:05:07,513 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:07,914 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:07,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:07,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:05:07,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:07,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:07,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:07,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1359775660] [2020-07-20 13:05:07,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:07,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:07,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854196580] [2020-07-20 13:05:07,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:07,960 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:07,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:07,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:07,961 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand 3 states. [2020-07-20 13:05:07,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:07,995 INFO L93 Difference]: Finished difference Result 402 states and 477 transitions. [2020-07-20 13:05:07,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:07,996 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 13:05:07,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:07,999 INFO L225 Difference]: With dead ends: 402 [2020-07-20 13:05:08,000 INFO L226 Difference]: Without dead ends: 276 [2020-07-20 13:05:08,001 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:08,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-07-20 13:05:08,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 270. [2020-07-20 13:05:08,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-07-20 13:05:08,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 319 transitions. [2020-07-20 13:05:08,039 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 319 transitions. Word has length 65 [2020-07-20 13:05:08,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:08,039 INFO L479 AbstractCegarLoop]: Abstraction has 270 states and 319 transitions. [2020-07-20 13:05:08,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:08,040 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 319 transitions. [2020-07-20 13:05:08,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 13:05:08,042 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:08,043 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] [2020-07-20 13:05:08,255 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:08,256 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:08,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:08,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1476281748, now seen corresponding path program 1 times [2020-07-20 13:05:08,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:08,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [153496143] [2020-07-20 13:05:08,259 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:08,703 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:08,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:08,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:05:08,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:08,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:08,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:08,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [153496143] [2020-07-20 13:05:08,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:08,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:05:08,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598847712] [2020-07-20 13:05:08,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:05:08,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:08,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:05:08,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:05:08,760 INFO L87 Difference]: Start difference. First operand 270 states and 319 transitions. Second operand 6 states. [2020-07-20 13:05:09,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:09,027 INFO L93 Difference]: Finished difference Result 640 states and 789 transitions. [2020-07-20 13:05:09,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 13:05:09,027 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 13:05:09,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:09,032 INFO L225 Difference]: With dead ends: 640 [2020-07-20 13:05:09,032 INFO L226 Difference]: Without dead ends: 398 [2020-07-20 13:05:09,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 13:05:09,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2020-07-20 13:05:09,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 388. [2020-07-20 13:05:09,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-07-20 13:05:09,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 463 transitions. [2020-07-20 13:05:09,089 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 463 transitions. Word has length 70 [2020-07-20 13:05:09,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:09,090 INFO L479 AbstractCegarLoop]: Abstraction has 388 states and 463 transitions. [2020-07-20 13:05:09,090 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:05:09,091 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 463 transitions. [2020-07-20 13:05:09,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 13:05:09,094 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:09,094 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:09,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:09,308 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:09,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:09,309 INFO L82 PathProgramCache]: Analyzing trace with hash 340334758, now seen corresponding path program 1 times [2020-07-20 13:05:09,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:09,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [802138502] [2020-07-20 13:05:09,310 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:09,740 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:09,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:09,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 13:05:09,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:09,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:09,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:09,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [802138502] [2020-07-20 13:05:09,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:09,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 13:05:09,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126364819] [2020-07-20 13:05:09,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 13:05:09,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:09,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 13:05:09,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 13:05:09,794 INFO L87 Difference]: Start difference. First operand 388 states and 463 transitions. Second operand 6 states. [2020-07-20 13:05:09,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:09,836 INFO L93 Difference]: Finished difference Result 762 states and 940 transitions. [2020-07-20 13:05:09,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 13:05:09,837 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2020-07-20 13:05:09,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:09,840 INFO L225 Difference]: With dead ends: 762 [2020-07-20 13:05:09,841 INFO L226 Difference]: Without dead ends: 402 [2020-07-20 13:05:09,842 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 13:05:09,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-07-20 13:05:09,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 398. [2020-07-20 13:05:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-07-20 13:05:09,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 473 transitions. [2020-07-20 13:05:09,868 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 473 transitions. Word has length 108 [2020-07-20 13:05:09,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:09,869 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 473 transitions. [2020-07-20 13:05:09,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 13:05:09,869 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 473 transitions. [2020-07-20 13:05:09,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 13:05:09,871 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:09,871 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:10,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:10,085 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:10,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:10,086 INFO L82 PathProgramCache]: Analyzing trace with hash -2026359836, now seen corresponding path program 1 times [2020-07-20 13:05:10,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:10,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [953591924] [2020-07-20 13:05:10,087 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:10,517 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:10,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:10,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 13:05:10,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:10,567 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:10,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [953591924] [2020-07-20 13:05:10,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:10,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 13:05:10,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751623660] [2020-07-20 13:05:10,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 13:05:10,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:10,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 13:05:10,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:05:10,571 INFO L87 Difference]: Start difference. First operand 398 states and 473 transitions. Second operand 5 states. [2020-07-20 13:05:10,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:10,611 INFO L93 Difference]: Finished difference Result 782 states and 960 transitions. [2020-07-20 13:05:10,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 13:05:10,611 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2020-07-20 13:05:10,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:10,616 INFO L225 Difference]: With dead ends: 782 [2020-07-20 13:05:10,616 INFO L226 Difference]: Without dead ends: 412 [2020-07-20 13:05:10,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 13:05:10,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2020-07-20 13:05:10,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 406. [2020-07-20 13:05:10,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2020-07-20 13:05:10,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 481 transitions. [2020-07-20 13:05:10,656 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 481 transitions. Word has length 108 [2020-07-20 13:05:10,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:10,656 INFO L479 AbstractCegarLoop]: Abstraction has 406 states and 481 transitions. [2020-07-20 13:05:10,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 13:05:10,656 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 481 transitions. [2020-07-20 13:05:10,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 13:05:10,658 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:10,658 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:10,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:10,873 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:10,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:10,874 INFO L82 PathProgramCache]: Analyzing trace with hash 2028067331, now seen corresponding path program 1 times [2020-07-20 13:05:10,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:10,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1235473331] [2020-07-20 13:05:10,875 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:11,233 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 13:05:11,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:11,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 13:05:11,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:11,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:11,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1235473331] [2020-07-20 13:05:11,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:11,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:11,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632092704] [2020-07-20 13:05:11,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:11,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:11,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:11,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:11,274 INFO L87 Difference]: Start difference. First operand 406 states and 481 transitions. Second operand 3 states. [2020-07-20 13:05:11,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:11,333 INFO L93 Difference]: Finished difference Result 1086 states and 1361 transitions. [2020-07-20 13:05:11,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:11,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-07-20 13:05:11,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:11,340 INFO L225 Difference]: With dead ends: 1086 [2020-07-20 13:05:11,340 INFO L226 Difference]: Without dead ends: 708 [2020-07-20 13:05:11,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:11,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2020-07-20 13:05:11,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 705. [2020-07-20 13:05:11,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2020-07-20 13:05:11,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 862 transitions. [2020-07-20 13:05:11,395 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 862 transitions. Word has length 108 [2020-07-20 13:05:11,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:11,396 INFO L479 AbstractCegarLoop]: Abstraction has 705 states and 862 transitions. [2020-07-20 13:05:11,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:11,396 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 862 transitions. [2020-07-20 13:05:11,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-07-20 13:05:11,401 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:11,401 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:11,614 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:11,615 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:11,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:11,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1144962269, now seen corresponding path program 1 times [2020-07-20 13:05:11,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:11,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [286181842] [2020-07-20 13:05:11,616 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:12,020 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:12,020 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:12,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 13:05:12,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:12,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:12,167 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:12,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [286181842] [2020-07-20 13:05:12,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:12,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 13:05:12,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145640853] [2020-07-20 13:05:12,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:05:12,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:12,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:05:12,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:05:12,169 INFO L87 Difference]: Start difference. First operand 705 states and 862 transitions. Second operand 10 states. [2020-07-20 13:05:13,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:13,923 INFO L93 Difference]: Finished difference Result 2074 states and 2867 transitions. [2020-07-20 13:05:13,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 13:05:13,923 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 112 [2020-07-20 13:05:13,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:13,932 INFO L225 Difference]: With dead ends: 2074 [2020-07-20 13:05:13,932 INFO L226 Difference]: Without dead ends: 1397 [2020-07-20 13:05:13,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 13:05:13,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states. [2020-07-20 13:05:13,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 1028. [2020-07-20 13:05:13,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1028 states. [2020-07-20 13:05:14,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1263 transitions. [2020-07-20 13:05:14,003 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1263 transitions. Word has length 112 [2020-07-20 13:05:14,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:14,004 INFO L479 AbstractCegarLoop]: Abstraction has 1028 states and 1263 transitions. [2020-07-20 13:05:14,004 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:05:14,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1263 transitions. [2020-07-20 13:05:14,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-20 13:05:14,008 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:14,008 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:14,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:14,222 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:14,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:14,222 INFO L82 PathProgramCache]: Analyzing trace with hash 215857978, now seen corresponding path program 1 times [2020-07-20 13:05:14,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:14,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1717646119] [2020-07-20 13:05:14,223 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:14,492 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 13:05:14,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:14,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 13:05:14,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:14,521 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 13:05:14,521 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 13:05:14,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1717646119] [2020-07-20 13:05:14,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 13:05:14,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 13:05:14,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944567071] [2020-07-20 13:05:14,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 13:05:14,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:14,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 13:05:14,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:14,524 INFO L87 Difference]: Start difference. First operand 1028 states and 1263 transitions. Second operand 3 states. [2020-07-20 13:05:14,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:14,620 INFO L93 Difference]: Finished difference Result 1733 states and 2128 transitions. [2020-07-20 13:05:14,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 13:05:14,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-07-20 13:05:14,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:14,625 INFO L225 Difference]: With dead ends: 1733 [2020-07-20 13:05:14,625 INFO L226 Difference]: Without dead ends: 733 [2020-07-20 13:05:14,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 13:05:14,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2020-07-20 13:05:14,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 713. [2020-07-20 13:05:14,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2020-07-20 13:05:14,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 854 transitions. [2020-07-20 13:05:14,667 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 854 transitions. Word has length 153 [2020-07-20 13:05:14,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:14,668 INFO L479 AbstractCegarLoop]: Abstraction has 713 states and 854 transitions. [2020-07-20 13:05:14,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 13:05:14,668 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 854 transitions. [2020-07-20 13:05:14,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-20 13:05:14,672 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 13:05:14,672 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 13:05:14,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:14,887 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 13:05:14,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 13:05:14,887 INFO L82 PathProgramCache]: Analyzing trace with hash 164237146, now seen corresponding path program 1 times [2020-07-20 13:05:14,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 13:05:14,888 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307255374] [2020-07-20 13:05:14,888 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:15,336 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 13:05:15,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 13:05:15,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 980 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 13:05:15,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 13:05:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 13:05:15,412 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 13:05:15,837 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 13:05:15,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307255374] [2020-07-20 13:05:15,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 13:05:15,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 13:05:15,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429958644] [2020-07-20 13:05:15,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 13:05:15,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 13:05:15,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 13:05:15,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 13:05:15,841 INFO L87 Difference]: Start difference. First operand 713 states and 854 transitions. Second operand 10 states. [2020-07-20 13:05:16,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 13:05:16,730 INFO L93 Difference]: Finished difference Result 1573 states and 1901 transitions. [2020-07-20 13:05:16,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 13:05:16,731 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 174 [2020-07-20 13:05:16,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 13:05:16,732 INFO L225 Difference]: With dead ends: 1573 [2020-07-20 13:05:16,732 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 13:05:16,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 335 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 13:05:16,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 13:05:16,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 13:05:16,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 13:05:16,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 13:05:16,737 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2020-07-20 13:05:16,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 13:05:16,737 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 13:05:16,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 13:05:16,738 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 13:05:16,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 13:05:16,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 13:05:16,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 13:05:18,400 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2020-07-20 13:05:18,758 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-20 13:05:19,243 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2020-07-20 13:05:19,379 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2020-07-20 13:05:19,546 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 13:05:20,166 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 50 [2020-07-20 13:05:20,439 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2020-07-20 13:05:20,895 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-20 13:05:21,019 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2020-07-20 13:05:21,431 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-07-20 13:05:21,707 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-20 13:05:22,026 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2020-07-20 13:05:22,206 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-07-20 13:05:22,491 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2020-07-20 13:05:22,788 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 35 [2020-07-20 13:05:22,857 INFO L268 CegarLoopResult]: For program point L501(lines 501 505) no Hoare annotation was computed. [2020-07-20 13:05:22,857 INFO L268 CegarLoopResult]: For program point L501-1(lines 501 505) no Hoare annotation was computed. [2020-07-20 13:05:22,857 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 470 525) no Hoare annotation was computed. [2020-07-20 13:05:22,857 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-20 13:05:22,857 INFO L268 CegarLoopResult]: For program point L495-2(lines 495 516) no Hoare annotation was computed. [2020-07-20 13:05:22,858 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 470 525) no Hoare annotation was computed. [2020-07-20 13:05:22,858 INFO L268 CegarLoopResult]: For program point L517(lines 494 518) no Hoare annotation was computed. [2020-07-20 13:05:22,858 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 470 525) no Hoare annotation was computed. [2020-07-20 13:05:22,858 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-20 13:05:22,858 INFO L268 CegarLoopResult]: For program point L571-1(line 571) no Hoare annotation was computed. [2020-07-20 13:05:22,858 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 526 585) no Hoare annotation was computed. [2020-07-20 13:05:22,858 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 526 585) no Hoare annotation was computed. [2020-07-20 13:05:22,858 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-07-20 13:05:22,858 INFO L268 CegarLoopResult]: For program point L558-1(lines 558 562) no Hoare annotation was computed. [2020-07-20 13:05:22,858 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 526 585) no Hoare annotation was computed. [2020-07-20 13:05:22,858 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-20 13:05:22,858 INFO L268 CegarLoopResult]: For program point L552-2(lines 552 577) no Hoare annotation was computed. [2020-07-20 13:05:22,859 INFO L268 CegarLoopResult]: For program point L578(lines 551 579) no Hoare annotation was computed. [2020-07-20 13:05:22,859 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2020-07-20 13:05:22,859 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2020-07-20 13:05:22,859 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2020-07-20 13:05:22,859 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2020-07-20 13:05:22,859 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2020-07-20 13:05:22,860 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 370 377) the Hoare annotation is: true [2020-07-20 13:05:22,860 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 370 377) no Hoare annotation was computed. [2020-07-20 13:05:22,860 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 370 377) no Hoare annotation was computed. [2020-07-20 13:05:22,860 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 378 387) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~systemActive~0)) .cse2 .cse3) (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2020-07-20 13:05:22,860 INFO L268 CegarLoopResult]: For program point L383(line 383) no Hoare annotation was computed. [2020-07-20 13:05:22,860 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 378 387) no Hoare annotation was computed. [2020-07-20 13:05:22,860 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 378 387) no Hoare annotation was computed. [2020-07-20 13:05:22,861 INFO L264 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 13:05:22,861 INFO L268 CegarLoopResult]: For program point L401(lines 401 407) no Hoare annotation was computed. [2020-07-20 13:05:22,861 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 388 416) the Hoare annotation is: true [2020-07-20 13:05:22,861 INFO L268 CegarLoopResult]: For program point L400(lines 400 410) no Hoare annotation was computed. [2020-07-20 13:05:22,861 INFO L264 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 13:05:22,861 INFO L268 CegarLoopResult]: For program point L398-1(line 398) no Hoare annotation was computed. [2020-07-20 13:05:22,861 INFO L268 CegarLoopResult]: For program point L396(lines 396 413) no Hoare annotation was computed. [2020-07-20 13:05:22,861 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 388 416) no Hoare annotation was computed. [2020-07-20 13:05:22,861 INFO L268 CegarLoopResult]: For program point L396-1(lines 388 416) no Hoare annotation was computed. [2020-07-20 13:05:22,861 INFO L271 CegarLoopResult]: At program point L394(line 394) the Hoare annotation is: true [2020-07-20 13:05:22,862 INFO L268 CegarLoopResult]: For program point L394-1(line 394) no Hoare annotation was computed. [2020-07-20 13:05:22,862 INFO L264 CegarLoopResult]: At program point L866-1(line 866) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:22,862 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 860 882) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:22,862 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 860 882) no Hoare annotation was computed. [2020-07-20 13:05:22,862 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 860 882) no Hoare annotation was computed. [2020-07-20 13:05:22,862 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:22,862 INFO L264 CegarLoopResult]: At program point L872-1(line 872) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:22,862 INFO L268 CegarLoopResult]: For program point L870(lines 870 877) no Hoare annotation was computed. [2020-07-20 13:05:22,863 INFO L268 CegarLoopResult]: For program point L870-1(lines 870 877) no Hoare annotation was computed. [2020-07-20 13:05:22,863 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-07-20 13:05:22,863 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:22,863 INFO L264 CegarLoopResult]: At program point L866(line 866) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:22,863 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-07-20 13:05:22,863 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-07-20 13:05:22,863 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 815 838) no Hoare annotation was computed. [2020-07-20 13:05:22,864 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-07-20 13:05:22,864 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-20 13:05:22,864 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-07-20 13:05:22,864 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 815 838) no Hoare annotation was computed. [2020-07-20 13:05:22,864 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-20 13:05:22,864 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 815 838) no Hoare annotation was computed. [2020-07-20 13:05:22,864 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-07-20 13:05:22,864 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-07-20 13:05:22,864 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-07-20 13:05:22,865 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-20 13:05:22,865 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-20 13:05:22,865 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-20 13:05:22,865 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-07-20 13:05:22,865 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-20 13:05:22,865 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 271 285) no Hoare annotation was computed. [2020-07-20 13:05:22,865 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 271 285) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 13:05:22,866 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse3 (not (<= ~waterLevel~0 1)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) .cse3))) [2020-07-20 13:05:22,866 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 271 285) no Hoare annotation was computed. [2020-07-20 13:05:22,866 INFO L268 CegarLoopResult]: For program point L275(lines 275 281) no Hoare annotation was computed. [2020-07-20 13:05:22,866 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2020-07-20 13:05:22,866 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 188 196) the Hoare annotation is: true [2020-07-20 13:05:22,866 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 188 196) no Hoare annotation was computed. [2020-07-20 13:05:22,866 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 252 270) the Hoare annotation is: true [2020-07-20 13:05:22,866 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 252 270) no Hoare annotation was computed. [2020-07-20 13:05:22,867 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 13:05:22,867 INFO L271 CegarLoopResult]: At program point L259(line 259) the Hoare annotation is: true [2020-07-20 13:05:22,867 INFO L268 CegarLoopResult]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2020-07-20 13:05:22,867 INFO L268 CegarLoopResult]: For program point L259-1(line 259) no Hoare annotation was computed. [2020-07-20 13:05:22,867 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 252 270) no Hoare annotation was computed. [2020-07-20 13:05:22,867 INFO L268 CegarLoopResult]: For program point L216(lines 216 224) no Hoare annotation was computed. [2020-07-20 13:05:22,867 INFO L268 CegarLoopResult]: For program point L216-2(lines 216 224) no Hoare annotation was computed. [2020-07-20 13:05:22,867 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 197 232) no Hoare annotation was computed. [2020-07-20 13:05:22,867 INFO L268 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-07-20 13:05:22,868 INFO L268 CegarLoopResult]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2020-07-20 13:05:22,868 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 197 232) no Hoare annotation was computed. [2020-07-20 13:05:22,868 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-07-20 13:05:22,868 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 197 232) no Hoare annotation was computed. [2020-07-20 13:05:22,868 INFO L268 CegarLoopResult]: For program point L227-1(line 227) no Hoare annotation was computed. [2020-07-20 13:05:22,868 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2020-07-20 13:05:22,868 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2020-07-20 13:05:22,868 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 424 469) no Hoare annotation was computed. [2020-07-20 13:05:22,869 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 424 469) no Hoare annotation was computed. [2020-07-20 13:05:22,869 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 424 469) no Hoare annotation was computed. [2020-07-20 13:05:22,869 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 737 782) no Hoare annotation was computed. [2020-07-20 13:05:22,869 INFO L268 CegarLoopResult]: For program point L757(lines 757 764) no Hoare annotation was computed. [2020-07-20 13:05:22,869 INFO L268 CegarLoopResult]: For program point L751(lines 751 771) no Hoare annotation was computed. [2020-07-20 13:05:22,869 INFO L268 CegarLoopResult]: For program point L751-1(lines 751 771) no Hoare annotation was computed. [2020-07-20 13:05:22,869 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 737 782) no Hoare annotation was computed. [2020-07-20 13:05:22,869 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 737 782) no Hoare annotation was computed. [2020-07-20 13:05:22,870 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 846 856) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:22,870 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 846 856) no Hoare annotation was computed. [2020-07-20 13:05:22,870 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 846 856) no Hoare annotation was computed. [2020-07-20 13:05:22,870 INFO L264 CegarLoopResult]: At program point L851(line 851) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:22,870 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 177 187) the Hoare annotation is: true [2020-07-20 13:05:22,870 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 177 187) no Hoare annotation was computed. [2020-07-20 13:05:22,870 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 177 187) no Hoare annotation was computed. [2020-07-20 13:05:22,870 INFO L271 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: true [2020-07-20 13:05:22,871 INFO L268 CegarLoopResult]: For program point L182-1(line 182) no Hoare annotation was computed. [2020-07-20 13:05:22,871 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 169 176) the Hoare annotation is: (let ((.cse1 (not (<= ~waterLevel~0 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse0 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 13:05:22,871 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 169 176) no Hoare annotation was computed. [2020-07-20 13:05:22,871 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 169 176) no Hoare annotation was computed. [2020-07-20 13:05:22,871 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 1007 1020) no Hoare annotation was computed. [2020-07-20 13:05:22,871 INFO L268 CegarLoopResult]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2020-07-20 13:05:22,871 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 1007 1020) the Hoare annotation is: true [2020-07-20 13:05:22,871 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 1007 1020) no Hoare annotation was computed. [2020-07-20 13:05:22,872 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:22,872 INFO L268 CegarLoopResult]: For program point L126(lines 126 134) no Hoare annotation was computed. [2020-07-20 13:05:22,872 INFO L264 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:22,872 INFO L268 CegarLoopResult]: For program point L124-1(line 124) no Hoare annotation was computed. [2020-07-20 13:05:22,872 INFO L268 CegarLoopResult]: For program point L122(lines 122 139) no Hoare annotation was computed. [2020-07-20 13:05:22,872 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 118 142) no Hoare annotation was computed. [2020-07-20 13:05:22,872 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 118 142) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~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)))) [2020-07-20 13:05:22,873 INFO L264 CegarLoopResult]: At program point L137(line 137) 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)))) [2020-07-20 13:05:22,873 INFO L268 CegarLoopResult]: For program point L137-1(lines 118 142) no Hoare annotation was computed. [2020-07-20 13:05:22,873 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:22,873 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 84 90) no Hoare annotation was computed. [2020-07-20 13:05:22,873 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 84 90) the Hoare annotation is: true [2020-07-20 13:05:22,873 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:22,874 INFO L264 CegarLoopResult]: At program point testENTRY(lines 298 365) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:22,874 INFO L268 CegarLoopResult]: For program point L318(lines 318 324) no Hoare annotation was computed. [2020-07-20 13:05:22,874 INFO L268 CegarLoopResult]: For program point L318-1(lines 318 324) no Hoare annotation was computed. [2020-07-20 13:05:22,874 INFO L268 CegarLoopResult]: For program point testFINAL(lines 298 365) no Hoare annotation was computed. [2020-07-20 13:05:22,874 INFO L268 CegarLoopResult]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-07-20 13:05:22,874 INFO L264 CegarLoopResult]: At program point L358(lines 307 359) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 13:05:22,874 INFO L264 CegarLoopResult]: At program point L348(line 348) 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)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:05:22,875 INFO L268 CegarLoopResult]: For program point L346(lines 346 352) no Hoare annotation was computed. [2020-07-20 13:05:22,875 INFO L264 CegarLoopResult]: At program point L346-1(lines 338 353) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:22,875 INFO L268 CegarLoopResult]: For program point L309(lines 308 357) no Hoare annotation was computed. [2020-07-20 13:05:22,875 INFO L264 CegarLoopResult]: At program point L340(line 340) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 13:05:22,875 INFO L268 CegarLoopResult]: For program point L338(lines 338 353) no Hoare annotation was computed. [2020-07-20 13:05:22,876 INFO L264 CegarLoopResult]: At program point L330(line 330) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:22,876 INFO L268 CegarLoopResult]: For program point L328(lines 328 334) no Hoare annotation was computed. [2020-07-20 13:05:22,876 INFO L268 CegarLoopResult]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2020-07-20 13:05:22,876 INFO L264 CegarLoopResult]: At program point L355(lines 308 357) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 13:05:22,876 INFO L268 CegarLoopResult]: For program point testEXIT(lines 298 365) no Hoare annotation was computed. [2020-07-20 13:05:22,876 INFO L268 CegarLoopResult]: For program point L705(lines 705 725) no Hoare annotation was computed. [2020-07-20 13:05:22,876 INFO L268 CegarLoopResult]: For program point L705-1(lines 705 725) no Hoare annotation was computed. [2020-07-20 13:05:22,877 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 691 736) no Hoare annotation was computed. [2020-07-20 13:05:22,877 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 691 736) no Hoare annotation was computed. [2020-07-20 13:05:22,877 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 691 736) no Hoare annotation was computed. [2020-07-20 13:05:22,877 INFO L268 CegarLoopResult]: For program point L711(lines 711 718) no Hoare annotation was computed. [2020-07-20 13:05:22,877 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 143 150) 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))) [2020-07-20 13:05:22,877 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 143 150) no Hoare annotation was computed. [2020-07-20 13:05:22,877 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 143 150) no Hoare annotation was computed. [2020-07-20 13:05:22,878 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 1021 1029) no Hoare annotation was computed. [2020-07-20 13:05:22,878 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 1021 1029) the Hoare annotation is: true [2020-07-20 13:05:22,878 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 1021 1029) no Hoare annotation was computed. [2020-07-20 13:05:22,878 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 975 997) no Hoare annotation was computed. [2020-07-20 13:05:22,878 INFO L268 CegarLoopResult]: For program point L983(lines 983 991) no Hoare annotation was computed. [2020-07-20 13:05:22,878 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 975 997) no Hoare annotation was computed. [2020-07-20 13:05:22,878 INFO L268 CegarLoopResult]: For program point L983-2(lines 983 991) no Hoare annotation was computed. [2020-07-20 13:05:22,878 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 975 997) no Hoare annotation was computed. [2020-07-20 13:05:22,879 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 588 690) no Hoare annotation was computed. [2020-07-20 13:05:22,879 INFO L268 CegarLoopResult]: For program point L638(lines 637 657) no Hoare annotation was computed. [2020-07-20 13:05:22,879 INFO L268 CegarLoopResult]: For program point L669(line 669) no Hoare annotation was computed. [2020-07-20 13:05:22,879 INFO L268 CegarLoopResult]: For program point L669-1(line 669) no Hoare annotation was computed. [2020-07-20 13:05:22,879 INFO L268 CegarLoopResult]: For program point L634(lines 634 675) no Hoare annotation was computed. [2020-07-20 13:05:22,879 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-07-20 13:05:22,879 INFO L268 CegarLoopResult]: For program point L653-1(line 653) no Hoare annotation was computed. [2020-07-20 13:05:22,879 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 588 690) no Hoare annotation was computed. [2020-07-20 13:05:22,880 INFO L268 CegarLoopResult]: For program point L612(lines 612 616) no Hoare annotation was computed. [2020-07-20 13:05:22,880 INFO L268 CegarLoopResult]: For program point L676(lines 676 687) no Hoare annotation was computed. [2020-07-20 13:05:22,880 INFO L268 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-07-20 13:05:22,880 INFO L268 CegarLoopResult]: For program point L637-2(lines 637 657) no Hoare annotation was computed. [2020-07-20 13:05:22,880 INFO L268 CegarLoopResult]: For program point L658(lines 636 659) no Hoare annotation was computed. [2020-07-20 13:05:22,880 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 588 690) no Hoare annotation was computed. [2020-07-20 13:05:22,880 INFO L268 CegarLoopResult]: For program point L617(lines 617 633) no Hoare annotation was computed. [2020-07-20 13:05:22,880 INFO L268 CegarLoopResult]: For program point L677(lines 677 684) no Hoare annotation was computed. [2020-07-20 13:05:22,881 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 885 894) no Hoare annotation was computed. [2020-07-20 13:05:22,881 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 885 894) no Hoare annotation was computed. [2020-07-20 13:05:22,881 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 885 894) no Hoare annotation was computed. [2020-07-20 13:05:22,881 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:22,881 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-20 13:05:22,881 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:22,881 INFO L268 CegarLoopResult]: For program point L159(lines 159 165) no Hoare annotation was computed. [2020-07-20 13:05:22,881 INFO L264 CegarLoopResult]: At program point L157(line 157) 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))) [2020-07-20 13:05:22,882 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-07-20 13:05:22,882 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 152 168) no Hoare annotation was computed. [2020-07-20 13:05:22,882 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 152 168) 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))) [2020-07-20 13:05:22,882 INFO L264 CegarLoopResult]: At program point L163(line 163) 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))) [2020-07-20 13:05:22,882 INFO L268 CegarLoopResult]: For program point L163-1(lines 152 168) no Hoare annotation was computed. [2020-07-20 13:05:22,882 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2020-07-20 13:05:22,882 INFO L271 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: true [2020-07-20 13:05:22,882 INFO L268 CegarLoopResult]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2020-07-20 13:05:22,883 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-20 13:05:22,883 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2020-07-20 13:05:22,883 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2020-07-20 13:05:22,883 INFO L268 CegarLoopResult]: For program point L242(lines 242 246) no Hoare annotation was computed. [2020-07-20 13:05:22,883 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 998 1006) the Hoare annotation is: true [2020-07-20 13:05:22,883 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 998 1006) no Hoare annotation was computed. [2020-07-20 13:05:22,883 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 998 1006) no Hoare annotation was computed. [2020-07-20 13:05:22,883 INFO L268 CegarLoopResult]: For program point L958-1(lines 954 965) no Hoare annotation was computed. [2020-07-20 13:05:22,883 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 954 965) the Hoare annotation is: true [2020-07-20 13:05:22,884 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 954 965) no Hoare annotation was computed. [2020-07-20 13:05:22,884 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:22,884 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 13:05:22,884 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:22,884 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 966 974) the Hoare annotation is: true [2020-07-20 13:05:22,884 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 966 974) no Hoare annotation was computed. [2020-07-20 13:05:22,884 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 966 974) no Hoare annotation was computed. [2020-07-20 13:05:22,884 INFO L268 CegarLoopResult]: For program point L64(lines 60 82) no Hoare annotation was computed. [2020-07-20 13:05:22,885 INFO L268 CegarLoopResult]: For program point L62(lines 60 82) no Hoare annotation was computed. [2020-07-20 13:05:22,885 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 57 83) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (<= |old(~waterLevel~0)| 1))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (.cse9 (not (= 0 ~systemActive~0))) (.cse13 (<= 1 ~switchedOnBeforeTS~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse10 (and .cse7 .cse11)) (or .cse0 .cse4 .cse10 .cse2 .cse3) (or .cse9 .cse10 (and .cse4 .cse5 .cse11) .cse2 .cse3) (or .cse8 .cse0 .cse7 .cse10) (or .cse0 .cse12 .cse10 .cse13 .cse2) (or .cse12 .cse9 .cse10 .cse13 .cse2) (or .cse0 .cse10 (and .cse5 .cse11) .cse2))) [2020-07-20 13:05:22,885 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 57 83) no Hoare annotation was computed. [2020-07-20 13:05:22,885 INFO L264 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse6 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse2 .cse6 .cse3)))) [2020-07-20 13:05:22,885 INFO L264 CegarLoopResult]: At program point L71(lines 71 77) the Hoare annotation is: (let ((.cse12 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= 0 ~pumpRunning~0)) (.cse13 (<= ~waterLevel~0 1))) (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and .cse7 .cse10 (<= 1 ~switchedOnBeforeTS~0) .cse13)) (.cse4 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse13 .cse12)) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (<= 2 ~waterLevel~0)) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse6 .cse0 .cse1 .cse2 .cse4) (or .cse6 .cse0 .cse9 (and .cse7 .cse10)) (or .cse11 .cse8 .cse9 .cse3 .cse5) (or .cse8 .cse9 (and (<= ~waterLevel~0 2) .cse10) .cse3) (or .cse0 (and .cse11 .cse7 .cse10) .cse9 (and .cse11 .cse7 .cse12) .cse3 .cse5)))) [2020-07-20 13:05:22,886 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 57 83) no Hoare annotation was computed. [2020-07-20 13:05:22,886 INFO L264 CegarLoopResult]: At program point L66(line 66) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 13:05:22,886 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 785 814) no Hoare annotation was computed. [2020-07-20 13:05:22,886 INFO L268 CegarLoopResult]: For program point L799(lines 799 803) no Hoare annotation was computed. [2020-07-20 13:05:22,886 INFO L271 CegarLoopResult]: At program point L799-1(lines 799 803) the Hoare annotation is: true [2020-07-20 13:05:22,886 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 785 814) the Hoare annotation is: true [2020-07-20 13:05:22,886 INFO L268 CegarLoopResult]: For program point L796(line 796) no Hoare annotation was computed. [2020-07-20 13:05:22,886 INFO L271 CegarLoopResult]: At program point L795-2(lines 795 809) the Hoare annotation is: true [2020-07-20 13:05:22,887 INFO L271 CegarLoopResult]: At program point L791(line 791) the Hoare annotation is: true [2020-07-20 13:05:22,887 INFO L268 CegarLoopResult]: For program point L791-1(line 791) no Hoare annotation was computed. [2020-07-20 13:05:22,887 INFO L271 CegarLoopResult]: At program point L810(lines 785 814) the Hoare annotation is: true [2020-07-20 13:05:22,887 INFO L268 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-07-20 13:05:22,887 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 930 941) 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)|))))) [2020-07-20 13:05:22,887 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 930 941) no Hoare annotation was computed. [2020-07-20 13:05:22,887 INFO L268 CegarLoopResult]: For program point L934-1(lines 930 941) no Hoare annotation was computed. [2020-07-20 13:05:22,887 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 839 845) no Hoare annotation was computed. [2020-07-20 13:05:22,888 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 839 845) the Hoare annotation is: true [2020-07-20 13:05:22,888 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 13:05:22,888 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 13:05:22,888 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 13:05:22,888 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 13:05:22,888 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 286 293) no Hoare annotation was computed. [2020-07-20 13:05:22,888 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 286 293) the Hoare annotation is: true [2020-07-20 13:05:22,888 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 286 293) no Hoare annotation was computed. [2020-07-20 13:05:22,888 INFO L268 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-07-20 13:05:22,889 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 92 116) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~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)))) [2020-07-20 13:05:22,889 INFO L268 CegarLoopResult]: For program point L96(lines 96 113) no Hoare annotation was computed. [2020-07-20 13:05:22,889 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 92 116) no Hoare annotation was computed. [2020-07-20 13:05:22,889 INFO L264 CegarLoopResult]: At program point L111(line 111) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:22,889 INFO L268 CegarLoopResult]: For program point L111-1(lines 92 116) no Hoare annotation was computed. [2020-07-20 13:05:22,889 INFO L264 CegarLoopResult]: At program point L106(line 106) 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 (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 13:05:22,889 INFO L264 CegarLoopResult]: At program point L102(line 102) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 (= 0 ~pumpRunning~0)) (or .cse0 .cse2 .cse1))) [2020-07-20 13:05:22,890 INFO L268 CegarLoopResult]: For program point L100(lines 100 108) no Hoare annotation was computed. [2020-07-20 13:05:22,890 INFO L264 CegarLoopResult]: At program point L98(line 98) 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)))) [2020-07-20 13:05:22,890 INFO L268 CegarLoopResult]: For program point L946-1(lines 942 953) no Hoare annotation was computed. [2020-07-20 13:05:22,890 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 942 953) no Hoare annotation was computed. [2020-07-20 13:05:22,890 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 942 953) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse5 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse1 .cse3) (or .cse5 .cse0 .cse2 .cse8 .cse4) (or .cse6 .cse5 .cse7 .cse3))) [2020-07-20 13:05:22,890 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 919 926) no Hoare annotation was computed. [2020-07-20 13:05:22,891 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 923) no Hoare annotation was computed. [2020-07-20 13:05:22,891 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 919 926) the Hoare annotation is: true [2020-07-20 13:05:22,891 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 919 926) no Hoare annotation was computed. [2020-07-20 13:05:22,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:05:22 BoogieIcfgContainer [2020-07-20 13:05:22,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 13:05:22,910 INFO L168 Benchmark]: Toolchain (without parser) took 19223.09 ms. Allocated memory was 138.4 MB in the beginning and 432.0 MB in the end (delta: 293.6 MB). Free memory was 101.5 MB in the beginning and 149.4 MB in the end (delta: -47.9 MB). Peak memory consumption was 267.6 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:22,911 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-20 13:05:22,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.09 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.0 MB in the beginning and 171.7 MB in the end (delta: -70.7 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:22,913 INFO L168 Benchmark]: Boogie Preprocessor took 99.10 ms. Allocated memory is still 202.9 MB. Free memory was 171.7 MB in the beginning and 166.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:22,913 INFO L168 Benchmark]: RCFGBuilder took 1188.52 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 166.9 MB in the beginning and 193.6 MB in the end (delta: -26.7 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:22,914 INFO L168 Benchmark]: TraceAbstraction took 17240.83 ms. Allocated memory was 235.9 MB in the beginning and 432.0 MB in the end (delta: 196.1 MB). Free memory was 193.6 MB in the beginning and 149.4 MB in the end (delta: 44.2 MB). Peak memory consumption was 262.2 MB. Max. memory is 7.1 GB. [2020-07-20 13:05:22,918 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 687.09 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.0 MB in the beginning and 171.7 MB in the end (delta: -70.7 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.10 ms. Allocated memory is still 202.9 MB. Free memory was 171.7 MB in the beginning and 166.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1188.52 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 166.9 MB in the beginning and 193.6 MB in the end (delta: -26.7 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17240.83 ms. Allocated memory was 235.9 MB in the beginning and 432.0 MB in the end (delta: 196.1 MB). Free memory was 193.6 MB in the beginning and 149.4 MB in the end (delta: 44.2 MB). Peak memory consumption was 262.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 923]: 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: 307]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 262 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2176 SDtfs, 1217 SDslu, 3731 SDs, 0 SdLazy, 1944 SolverSat, 448 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1204 GetRequests, 1145 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1028occurred 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: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 418 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 1965 PreInvPairs, 2082 NumberOfFragments, 2226 HoareAnnotationTreeSize, 1965 FomulaSimplifications, 3358 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 72 FomulaSimplificationsInter, 9468 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1017 NumberOfCodeBlocks, 832 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 1180 ConstructedInterpolants, 0 QuantifiedInterpolants, 263616 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7707 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 122/144 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...