/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 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:54:26,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:54:26,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:54:26,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:54:26,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:54:26,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:54:26,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:54:26,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:54:26,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:54:26,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:54:26,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:54:26,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:54:26,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:54:26,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:54:26,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:54:26,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:54:26,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:54:26,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:54:26,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:54:26,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:54:26,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:54:26,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:54:26,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:54:26,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:54:26,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:54:26,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:54:26,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:54:26,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:54:26,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:54:26,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:54:26,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:54:26,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:54:26,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:54:26,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:54:26,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:54:26,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:54:26,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:54:26,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:54:26,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:54:26,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:54:26,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:54:26,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 12:54:26,502 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:54:26,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:54:26,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:54:26,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:54:26,504 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:54:26,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:54:26,505 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:54:26,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:54:26,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:54:26,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:54:26,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:54:26,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:54:26,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:54:26,506 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:54:26,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:54:26,506 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:54:26,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:54:26,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:54:26,507 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:54:26,507 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:54:26,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:54:26,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:54:26,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:54:26,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:54:26,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:54:26,508 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:54:26,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:26,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:54:26,509 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:54:26,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_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 -> 2 [2020-07-21 12:54:26,826 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:54:26,839 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:54:26,843 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:54:26,844 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:54:26,845 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:54:26,846 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-07-21 12:54:26,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618025658/762a0ae7fd6c431b8f0e4f856cc07fa7/FLAGfc6b24469 [2020-07-21 12:54:27,407 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:54:27,408 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-07-21 12:54:27,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618025658/762a0ae7fd6c431b8f0e4f856cc07fa7/FLAGfc6b24469 [2020-07-21 12:54:27,753 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618025658/762a0ae7fd6c431b8f0e4f856cc07fa7 [2020-07-21 12:54:27,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:54:27,765 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:54:27,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:27,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:54:27,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:54:27,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:27" (1/1) ... [2020-07-21 12:54:27,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57fa8424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:27, skipping insertion in model container [2020-07-21 12:54:27,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:27" (1/1) ... [2020-07-21 12:54:27,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:54:27,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:54:28,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:28,316 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:54:28,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:28,448 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:54:28,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28 WrapperNode [2020-07-21 12:54:28,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:28,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:54:28,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:54:28,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:54:28,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (1/1) ... [2020-07-21 12:54:28,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (1/1) ... [2020-07-21 12:54:28,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (1/1) ... [2020-07-21 12:54:28,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (1/1) ... [2020-07-21 12:54:28,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (1/1) ... [2020-07-21 12:54:28,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (1/1) ... [2020-07-21 12:54:28,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (1/1) ... [2020-07-21 12:54:28,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:54:28,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:54:28,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:54:28,566 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:54:28,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:54:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:54:28,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:54:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:28,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:28,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:54:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:54:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:54:28,664 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:54:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:54:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:54:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 12:54:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:54:28,666 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:54:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:54:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:54:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:54:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:54:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:54:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 12:54:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:54:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:54:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:54:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:54:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:54:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:54:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:54:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:54:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:54:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:54:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:54:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:54:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:54:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:54:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:54:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:54:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:54:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:54:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 12:54:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:54:28,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:54:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:54:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:54:28,675 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:54:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:54:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:54:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:54:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:54:28,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:54:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:54:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:28,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:54:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:54:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:54:28,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:54:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:54:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:54:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:54:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:54:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:54:28,679 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 12:54:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:54:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:54:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:54:28,680 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:54:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:54:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:28,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:54:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:54:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:54:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 12:54:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 12:54:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 12:54:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:54:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:54:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:54:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:54:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:54:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:54:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:54:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:54:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:54:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:54:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:54:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:54:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:54:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:54:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:54:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:54:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:54:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:54:29,841 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:54:29,841 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:54:29,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:29 BoogieIcfgContainer [2020-07-21 12:54:29,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:54:29,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:54:29,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:54:29,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:54:29,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:54:27" (1/3) ... [2020-07-21 12:54:29,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe21721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:29, skipping insertion in model container [2020-07-21 12:54:29,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:28" (2/3) ... [2020-07-21 12:54:29,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe21721 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:29, skipping insertion in model container [2020-07-21 12:54:29,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:29" (3/3) ... [2020-07-21 12:54:29,855 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2020-07-21 12:54:29,865 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:54:29,873 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:54:29,887 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:54:29,913 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:54:29,913 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:54:29,914 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:54:29,914 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:54:29,914 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:54:29,915 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:54:29,915 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:54:29,915 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:54:29,942 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-07-21 12:54:29,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 12:54:29,954 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:29,955 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:29,956 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:29,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:29,963 INFO L82 PathProgramCache]: Analyzing trace with hash 2103350570, now seen corresponding path program 1 times [2020-07-21 12:54:29,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:29,973 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1422477980] [2020-07-21 12:54:29,974 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:30,370 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:30,370 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:30,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:54:30,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:30,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:54:30,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:30,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1422477980] [2020-07-21 12:54:30,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:30,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:54:30,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825802126] [2020-07-21 12:54:30,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:54:30,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:30,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:54:30,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:54:30,447 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 2 states. [2020-07-21 12:54:30,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:30,503 INFO L93 Difference]: Finished difference Result 308 states and 381 transitions. [2020-07-21 12:54:30,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:54:30,505 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 12:54:30,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:30,526 INFO L225 Difference]: With dead ends: 308 [2020-07-21 12:54:30,526 INFO L226 Difference]: Without dead ends: 156 [2020-07-21 12:54:30,534 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:54:30,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-07-21 12:54:30,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2020-07-21 12:54:30,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-21 12:54:30,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2020-07-21 12:54:30,616 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 59 [2020-07-21 12:54:30,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:30,617 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2020-07-21 12:54:30,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:54:30,618 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2020-07-21 12:54:30,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 12:54:30,622 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:30,623 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:30,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:30,838 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:30,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:30,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1329026362, now seen corresponding path program 1 times [2020-07-21 12:54:30,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:30,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915993604] [2020-07-21 12:54:30,840 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:31,231 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:31,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:31,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:54:31,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:31,276 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:31,276 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915993604] [2020-07-21 12:54:31,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:31,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:31,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881019106] [2020-07-21 12:54:31,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:31,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:31,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:31,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:31,280 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand 3 states. [2020-07-21 12:54:31,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:31,306 INFO L93 Difference]: Finished difference Result 284 states and 343 transitions. [2020-07-21 12:54:31,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:31,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-21 12:54:31,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:31,310 INFO L225 Difference]: With dead ends: 284 [2020-07-21 12:54:31,310 INFO L226 Difference]: Without dead ends: 156 [2020-07-21 12:54:31,312 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:31,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-07-21 12:54:31,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2020-07-21 12:54:31,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2020-07-21 12:54:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 183 transitions. [2020-07-21 12:54:31,330 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 183 transitions. Word has length 64 [2020-07-21 12:54:31,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:31,332 INFO L479 AbstractCegarLoop]: Abstraction has 156 states and 183 transitions. [2020-07-21 12:54:31,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:31,332 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 183 transitions. [2020-07-21 12:54:31,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-07-21 12:54:31,335 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:31,336 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:31,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:31,550 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:31,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:31,551 INFO L82 PathProgramCache]: Analyzing trace with hash 681754523, now seen corresponding path program 1 times [2020-07-21 12:54:31,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:31,551 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401815592] [2020-07-21 12:54:31,551 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:31,762 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 12:54:31,763 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:31,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:54:31,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:31,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 12:54:31,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:31,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401815592] [2020-07-21 12:54:31,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:31,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:31,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899190515] [2020-07-21 12:54:31,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:31,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:31,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:31,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:31,796 INFO L87 Difference]: Start difference. First operand 156 states and 183 transitions. Second operand 3 states. [2020-07-21 12:54:31,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:31,813 INFO L93 Difference]: Finished difference Result 257 states and 301 transitions. [2020-07-21 12:54:31,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:31,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-07-21 12:54:31,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:31,816 INFO L225 Difference]: With dead ends: 257 [2020-07-21 12:54:31,816 INFO L226 Difference]: Without dead ends: 147 [2020-07-21 12:54:31,817 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:31,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-07-21 12:54:31,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2020-07-21 12:54:31,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-07-21 12:54:31,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 171 transitions. [2020-07-21 12:54:31,832 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 171 transitions. Word has length 78 [2020-07-21 12:54:31,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:31,832 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 171 transitions. [2020-07-21 12:54:31,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:31,833 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 171 transitions. [2020-07-21 12:54:31,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-07-21 12:54:31,835 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:31,835 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:32,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:32,050 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:32,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:32,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1768093168, now seen corresponding path program 1 times [2020-07-21 12:54:32,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:32,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [228038239] [2020-07-21 12:54:32,053 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:32,382 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:32,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:32,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 12:54:32,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:32,442 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:32,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:32,443 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [228038239] [2020-07-21 12:54:32,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:32,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:32,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423202557] [2020-07-21 12:54:32,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:32,444 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:32,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:32,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:32,445 INFO L87 Difference]: Start difference. First operand 147 states and 171 transitions. Second operand 6 states. [2020-07-21 12:54:33,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:33,214 INFO L93 Difference]: Finished difference Result 356 states and 433 transitions. [2020-07-21 12:54:33,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:54:33,215 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 82 [2020-07-21 12:54:33,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:33,218 INFO L225 Difference]: With dead ends: 356 [2020-07-21 12:54:33,218 INFO L226 Difference]: Without dead ends: 237 [2020-07-21 12:54:33,219 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:54:33,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-07-21 12:54:33,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 222. [2020-07-21 12:54:33,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-07-21 12:54:33,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 251 transitions. [2020-07-21 12:54:33,250 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 251 transitions. Word has length 82 [2020-07-21 12:54:33,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:33,251 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 251 transitions. [2020-07-21 12:54:33,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 251 transitions. [2020-07-21 12:54:33,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-21 12:54:33,254 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:33,254 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] [2020-07-21 12:54:33,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:33,455 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:33,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:33,456 INFO L82 PathProgramCache]: Analyzing trace with hash -856267590, now seen corresponding path program 1 times [2020-07-21 12:54:33,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:33,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258049575] [2020-07-21 12:54:33,457 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:33,735 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:33,735 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:33,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:33,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:33,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:33,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258049575] [2020-07-21 12:54:33,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:33,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:33,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326054694] [2020-07-21 12:54:33,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:33,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:33,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:33,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:33,793 INFO L87 Difference]: Start difference. First operand 222 states and 251 transitions. Second operand 6 states. [2020-07-21 12:54:34,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:34,070 INFO L93 Difference]: Finished difference Result 419 states and 482 transitions. [2020-07-21 12:54:34,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:54:34,071 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 96 [2020-07-21 12:54:34,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:34,074 INFO L225 Difference]: With dead ends: 419 [2020-07-21 12:54:34,074 INFO L226 Difference]: Without dead ends: 225 [2020-07-21 12:54:34,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:54:34,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-07-21 12:54:34,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 221. [2020-07-21 12:54:34,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-07-21 12:54:34,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 248 transitions. [2020-07-21 12:54:34,094 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 248 transitions. Word has length 96 [2020-07-21 12:54:34,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:34,095 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 248 transitions. [2020-07-21 12:54:34,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:34,095 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 248 transitions. [2020-07-21 12:54:34,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-21 12:54:34,096 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:34,096 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:34,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:34,311 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:34,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:34,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1083119363, now seen corresponding path program 1 times [2020-07-21 12:54:34,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:34,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [79552128] [2020-07-21 12:54:34,313 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:34,608 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:34,608 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:34,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:34,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:34,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:34,675 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:34,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [79552128] [2020-07-21 12:54:34,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:34,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:34,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457855392] [2020-07-21 12:54:34,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:34,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:34,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:34,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:34,677 INFO L87 Difference]: Start difference. First operand 221 states and 248 transitions. Second operand 6 states. [2020-07-21 12:54:34,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:34,713 INFO L93 Difference]: Finished difference Result 419 states and 478 transitions. [2020-07-21 12:54:34,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:54:34,713 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2020-07-21 12:54:34,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:34,715 INFO L225 Difference]: With dead ends: 419 [2020-07-21 12:54:34,716 INFO L226 Difference]: Without dead ends: 226 [2020-07-21 12:54:34,717 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 12:54:34,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-07-21 12:54:34,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-07-21 12:54:34,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-07-21 12:54:34,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 253 transitions. [2020-07-21 12:54:34,733 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 253 transitions. Word has length 97 [2020-07-21 12:54:34,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:34,734 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 253 transitions. [2020-07-21 12:54:34,734 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:34,734 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 253 transitions. [2020-07-21 12:54:34,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-21 12:54:34,736 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:34,736 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:34,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:34,950 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:34,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:34,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1010732805, now seen corresponding path program 1 times [2020-07-21 12:54:34,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:34,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [75067266] [2020-07-21 12:54:34,951 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:35,168 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:35,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:35,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:54:35,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:35,212 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:35,212 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:35,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [75067266] [2020-07-21 12:54:35,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:35,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:54:35,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580460655] [2020-07-21 12:54:35,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:54:35,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:35,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:54:35,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:54:35,219 INFO L87 Difference]: Start difference. First operand 226 states and 253 transitions. Second operand 5 states. [2020-07-21 12:54:35,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:35,268 INFO L93 Difference]: Finished difference Result 431 states and 495 transitions. [2020-07-21 12:54:35,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:54:35,269 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2020-07-21 12:54:35,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:35,274 INFO L225 Difference]: With dead ends: 431 [2020-07-21 12:54:35,274 INFO L226 Difference]: Without dead ends: 233 [2020-07-21 12:54:35,276 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:54:35,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-07-21 12:54:35,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230. [2020-07-21 12:54:35,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-07-21 12:54:35,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 257 transitions. [2020-07-21 12:54:35,304 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 257 transitions. Word has length 97 [2020-07-21 12:54:35,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:35,305 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 257 transitions. [2020-07-21 12:54:35,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:54:35,306 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 257 transitions. [2020-07-21 12:54:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-07-21 12:54:35,307 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:35,307 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:35,511 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:35,512 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:35,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:35,513 INFO L82 PathProgramCache]: Analyzing trace with hash 1340498566, now seen corresponding path program 1 times [2020-07-21 12:54:35,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:35,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1563446001] [2020-07-21 12:54:35,515 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:35,754 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:35,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:35,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 772 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:54:35,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:35,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:35,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:35,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1563446001] [2020-07-21 12:54:35,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:35,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:35,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761834409] [2020-07-21 12:54:35,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:35,796 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:35,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:35,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:35,797 INFO L87 Difference]: Start difference. First operand 230 states and 257 transitions. Second operand 3 states. [2020-07-21 12:54:35,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:35,858 INFO L93 Difference]: Finished difference Result 604 states and 706 transitions. [2020-07-21 12:54:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:35,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-07-21 12:54:35,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:35,866 INFO L225 Difference]: With dead ends: 604 [2020-07-21 12:54:35,866 INFO L226 Difference]: Without dead ends: 402 [2020-07-21 12:54:35,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:35,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-07-21 12:54:35,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 399. [2020-07-21 12:54:35,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-07-21 12:54:35,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 459 transitions. [2020-07-21 12:54:35,923 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 459 transitions. Word has length 97 [2020-07-21 12:54:35,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:35,927 INFO L479 AbstractCegarLoop]: Abstraction has 399 states and 459 transitions. [2020-07-21 12:54:35,927 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:35,927 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 459 transitions. [2020-07-21 12:54:35,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-07-21 12:54:35,932 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:35,932 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:36,146 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:36,147 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:36,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:36,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1424414732, now seen corresponding path program 1 times [2020-07-21 12:54:36,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:36,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [813676139] [2020-07-21 12:54:36,149 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:36,387 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:36,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:36,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 12:54:36,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:36,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:36,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:36,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [813676139] [2020-07-21 12:54:36,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:36,506 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 12:54:36,506 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425856613] [2020-07-21 12:54:36,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:36,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:36,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:36,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:36,508 INFO L87 Difference]: Start difference. First operand 399 states and 459 transitions. Second operand 10 states. [2020-07-21 12:54:38,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:38,044 INFO L93 Difference]: Finished difference Result 1056 states and 1369 transitions. [2020-07-21 12:54:38,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 12:54:38,044 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 101 [2020-07-21 12:54:38,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:38,050 INFO L225 Difference]: With dead ends: 1056 [2020-07-21 12:54:38,050 INFO L226 Difference]: Without dead ends: 685 [2020-07-21 12:54:38,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-21 12:54:38,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2020-07-21 12:54:38,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 520. [2020-07-21 12:54:38,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-07-21 12:54:38,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 611 transitions. [2020-07-21 12:54:38,128 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 611 transitions. Word has length 101 [2020-07-21 12:54:38,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:38,129 INFO L479 AbstractCegarLoop]: Abstraction has 520 states and 611 transitions. [2020-07-21 12:54:38,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:38,129 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 611 transitions. [2020-07-21 12:54:38,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-07-21 12:54:38,134 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:38,137 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:38,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:38,352 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:38,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:38,353 INFO L82 PathProgramCache]: Analyzing trace with hash -578790576, now seen corresponding path program 1 times [2020-07-21 12:54:38,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:38,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2012420993] [2020-07-21 12:54:38,354 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-07-21 12:54:38,675 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:38,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:38,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 965 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:54:38,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:38,760 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:38,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:54:39,200 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 12:54:39,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2012420993] [2020-07-21 12:54:39,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:54:39,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 12:54:39,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377170365] [2020-07-21 12:54:39,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:39,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:39,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:39,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:39,202 INFO L87 Difference]: Start difference. First operand 520 states and 611 transitions. Second operand 10 states. [2020-07-21 12:54:40,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:40,072 INFO L93 Difference]: Finished difference Result 612 states and 734 transitions. [2020-07-21 12:54:40,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 12:54:40,073 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2020-07-21 12:54:40,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:40,074 INFO L225 Difference]: With dead ends: 612 [2020-07-21 12:54:40,074 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:54:40,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 343 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 12:54:40,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:54:40,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:54:40,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:54:40,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:54:40,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2020-07-21 12:54:40,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:40,077 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:54:40,077 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:40,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:54:40,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:54:40,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:40,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:54:41,460 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-07-21 12:54:41,712 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 36 [2020-07-21 12:54:41,971 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 39 [2020-07-21 12:54:42,303 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2020-07-21 12:54:42,429 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-07-21 12:54:42,662 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 40 [2020-07-21 12:54:43,208 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 12:54:44,068 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 43 [2020-07-21 12:54:44,203 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-21 12:54:44,478 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2020-07-21 12:54:44,841 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-21 12:54:44,841 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-21 12:54:44,841 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 12:54:44,841 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-21 12:54:44,842 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-21 12:54:44,842 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-21 12:54:44,842 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-21 12:54:44,842 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-21 12:54:44,843 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 12:54:44,843 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-21 12:54:44,843 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-21 12:54:44,843 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-21 12:54:44,843 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-21 12:54:44,843 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 12:54:44,843 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-21 12:54:44,843 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-21 12:54:44,844 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-21 12:54:44,844 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-21 12:54:44,844 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 665 671) the Hoare annotation is: true [2020-07-21 12:54:44,844 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 665 671) no Hoare annotation was computed. [2020-07-21 12:54:44,844 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 672 680) no Hoare annotation was computed. [2020-07-21 12:54:44,844 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 672 680) the Hoare annotation is: true [2020-07-21 12:54:44,845 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 672 680) no Hoare annotation was computed. [2020-07-21 12:54:44,845 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 753 760) the Hoare annotation is: true [2020-07-21 12:54:44,845 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 753 760) no Hoare annotation was computed. [2020-07-21 12:54:44,845 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 753 760) no Hoare annotation was computed. [2020-07-21 12:54:44,845 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 761 770) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-21 12:54:44,845 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-07-21 12:54:44,845 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 761 770) no Hoare annotation was computed. [2020-07-21 12:54:44,846 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 761 770) no Hoare annotation was computed. [2020-07-21 12:54:44,846 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-21 12:54:44,846 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 771 799) the Hoare annotation is: true [2020-07-21 12:54:44,846 INFO L268 CegarLoopResult]: For program point L784(lines 784 790) no Hoare annotation was computed. [2020-07-21 12:54:44,846 INFO L268 CegarLoopResult]: For program point L783(lines 783 793) no Hoare annotation was computed. [2020-07-21 12:54:44,846 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 12:54:44,847 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-07-21 12:54:44,847 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 771 799) no Hoare annotation was computed. [2020-07-21 12:54:44,847 INFO L268 CegarLoopResult]: For program point L779(lines 779 796) no Hoare annotation was computed. [2020-07-21 12:54:44,847 INFO L268 CegarLoopResult]: For program point L779-1(lines 771 799) no Hoare annotation was computed. [2020-07-21 12:54:44,847 INFO L271 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: true [2020-07-21 12:54:44,847 INFO L268 CegarLoopResult]: For program point L777-1(line 777) no Hoare annotation was computed. [2020-07-21 12:54:44,847 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 874 896) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:44,848 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 874 896) no Hoare annotation was computed. [2020-07-21 12:54:44,848 INFO L264 CegarLoopResult]: At program point L886(line 886) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:44,848 INFO L264 CegarLoopResult]: At program point L886-1(line 886) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:44,848 INFO L268 CegarLoopResult]: For program point L884(lines 884 891) no Hoare annotation was computed. [2020-07-21 12:54:44,848 INFO L268 CegarLoopResult]: For program point L884-1(lines 884 891) no Hoare annotation was computed. [2020-07-21 12:54:44,848 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-21 12:54:44,848 INFO L264 CegarLoopResult]: At program point L881(line 881) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:44,848 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:44,849 INFO L264 CegarLoopResult]: At program point L880-1(line 880) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:44,849 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 874 896) no Hoare annotation was computed. [2020-07-21 12:54:44,849 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 832 855) no Hoare annotation was computed. [2020-07-21 12:54:44,849 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 832 855) no Hoare annotation was computed. [2020-07-21 12:54:44,849 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 832 855) no Hoare annotation was computed. [2020-07-21 12:54:44,849 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-07-21 12:54:44,849 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-07-21 12:54:44,849 INFO L268 CegarLoopResult]: For program point L848(line 848) no Hoare annotation was computed. [2020-07-21 12:54:44,850 INFO L268 CegarLoopResult]: For program point L847(line 847) no Hoare annotation was computed. [2020-07-21 12:54:44,850 INFO L268 CegarLoopResult]: For program point L846(line 846) no Hoare annotation was computed. [2020-07-21 12:54:44,850 INFO L268 CegarLoopResult]: For program point L845(line 845) no Hoare annotation was computed. [2020-07-21 12:54:44,850 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-21 12:54:44,850 INFO L268 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-07-21 12:54:44,850 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-07-21 12:54:44,850 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-21 12:54:44,850 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-07-21 12:54:44,851 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-07-21 12:54:44,851 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-07-21 12:54:44,851 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-07-21 12:54:44,851 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 560 568) no Hoare annotation was computed. [2020-07-21 12:54:44,851 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 560 568) the Hoare annotation is: true [2020-07-21 12:54:44,851 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 560 568) no Hoare annotation was computed. [2020-07-21 12:54:44,851 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 624 642) the Hoare annotation is: true [2020-07-21 12:54:44,851 INFO L268 CegarLoopResult]: For program point L633(lines 633 637) no Hoare annotation was computed. [2020-07-21 12:54:44,852 INFO L271 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: true [2020-07-21 12:54:44,852 INFO L268 CegarLoopResult]: For program point L633-2(lines 633 637) no Hoare annotation was computed. [2020-07-21 12:54:44,852 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-07-21 12:54:44,852 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 624 642) no Hoare annotation was computed. [2020-07-21 12:54:44,852 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 624 642) no Hoare annotation was computed. [2020-07-21 12:54:44,852 INFO L268 CegarLoopResult]: For program point L576(lines 576 584) no Hoare annotation was computed. [2020-07-21 12:54:44,852 INFO L268 CegarLoopResult]: For program point L576-2(lines 576 584) no Hoare annotation was computed. [2020-07-21 12:54:44,852 INFO L268 CegarLoopResult]: For program point L599(line 599) no Hoare annotation was computed. [2020-07-21 12:54:44,852 INFO L268 CegarLoopResult]: For program point L599-1(line 599) no Hoare annotation was computed. [2020-07-21 12:54:44,853 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 569 604) no Hoare annotation was computed. [2020-07-21 12:54:44,853 INFO L268 CegarLoopResult]: For program point L588(lines 588 596) no Hoare annotation was computed. [2020-07-21 12:54:44,853 INFO L268 CegarLoopResult]: For program point L588-2(lines 588 596) no Hoare annotation was computed. [2020-07-21 12:54:44,853 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 569 604) no Hoare annotation was computed. [2020-07-21 12:54:44,853 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 569 604) no Hoare annotation was computed. [2020-07-21 12:54:44,853 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 658 664) no Hoare annotation was computed. [2020-07-21 12:54:44,853 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 658 664) the Hoare annotation is: true [2020-07-21 12:54:44,853 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-21 12:54:44,854 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-21 12:54:44,854 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-21 12:54:44,854 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-21 12:54:44,854 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-21 12:54:44,854 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-21 12:54:44,854 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-21 12:54:44,854 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-21 12:54:44,854 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-21 12:54:44,854 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 863 873) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:44,855 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 863 873) no Hoare annotation was computed. [2020-07-21 12:54:44,855 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 863 873) no Hoare annotation was computed. [2020-07-21 12:54:44,855 INFO L264 CegarLoopResult]: At program point L868(line 868) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:44,855 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 549 559) the Hoare annotation is: true [2020-07-21 12:54:44,855 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 549 559) no Hoare annotation was computed. [2020-07-21 12:54:44,855 INFO L271 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: true [2020-07-21 12:54:44,855 INFO L268 CegarLoopResult]: For program point L554-1(line 554) no Hoare annotation was computed. [2020-07-21 12:54:44,855 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 549 559) no Hoare annotation was computed. [2020-07-21 12:54:44,856 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 541 548) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-21 12:54:44,856 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 541 548) no Hoare annotation was computed. [2020-07-21 12:54:44,856 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 541 548) no Hoare annotation was computed. [2020-07-21 12:54:44,856 INFO L268 CegarLoopResult]: For program point L990(lines 990 996) no Hoare annotation was computed. [2020-07-21 12:54:44,856 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 986 999) no Hoare annotation was computed. [2020-07-21 12:54:44,856 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 986 999) the Hoare annotation is: true [2020-07-21 12:54:44,856 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 986 999) no Hoare annotation was computed. [2020-07-21 12:54:44,856 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-07-21 12:54:44,857 INFO L268 CegarLoopResult]: For program point L512(lines 512 529) no Hoare annotation was computed. [2020-07-21 12:54:44,857 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 508 532) no Hoare annotation was computed. [2020-07-21 12:54:44,857 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 508 532) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:44,857 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:44,857 INFO L268 CegarLoopResult]: For program point L527-1(lines 508 532) no Hoare annotation was computed. [2020-07-21 12:54:44,857 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-21 12:54:44,858 INFO L264 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-21 12:54:44,858 INFO L268 CegarLoopResult]: For program point L516(lines 516 524) no Hoare annotation was computed. [2020-07-21 12:54:44,858 INFO L264 CegarLoopResult]: At program point L514(line 514) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-21 12:54:44,858 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 448 454) no Hoare annotation was computed. [2020-07-21 12:54:44,858 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 448 454) the Hoare annotation is: true [2020-07-21 12:54:44,859 INFO L264 CegarLoopResult]: At program point testENTRY(lines 685 748) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:44,859 INFO L268 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-07-21 12:54:44,859 INFO L264 CegarLoopResult]: At program point L731-2(lines 725 736) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-21 12:54:44,859 INFO L268 CegarLoopResult]: For program point L696(lines 695 740) no Hoare annotation was computed. [2020-07-21 12:54:44,859 INFO L268 CegarLoopResult]: For program point testFINAL(lines 685 748) no Hoare annotation was computed. [2020-07-21 12:54:44,859 INFO L268 CegarLoopResult]: For program point L725(lines 725 736) no Hoare annotation was computed. [2020-07-21 12:54:44,859 INFO L264 CegarLoopResult]: At program point L717(line 717) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-21 12:54:44,860 INFO L268 CegarLoopResult]: For program point L715(lines 715 721) no Hoare annotation was computed. [2020-07-21 12:54:44,860 INFO L268 CegarLoopResult]: For program point L715-1(lines 715 721) no Hoare annotation was computed. [2020-07-21 12:54:44,860 INFO L264 CegarLoopResult]: At program point L707(line 707) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-21 12:54:44,860 INFO L264 CegarLoopResult]: At program point L738(lines 695 740) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-21 12:54:44,860 INFO L268 CegarLoopResult]: For program point L705(lines 705 711) no Hoare annotation was computed. [2020-07-21 12:54:44,860 INFO L268 CegarLoopResult]: For program point L705-1(lines 705 711) no Hoare annotation was computed. [2020-07-21 12:54:44,860 INFO L268 CegarLoopResult]: For program point L697(lines 697 701) no Hoare annotation was computed. [2020-07-21 12:54:44,861 INFO L264 CegarLoopResult]: At program point L741(lines 694 742) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 12:54:44,861 INFO L268 CegarLoopResult]: For program point testEXIT(lines 685 748) no Hoare annotation was computed. [2020-07-21 12:54:44,861 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-21 12:54:44,861 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-21 12:54:44,861 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-21 12:54:44,861 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-21 12:54:44,861 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-21 12:54:44,861 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-21 12:54:44,861 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 1000 1008) no Hoare annotation was computed. [2020-07-21 12:54:44,862 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 1000 1008) the Hoare annotation is: true [2020-07-21 12:54:44,862 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 1000 1008) no Hoare annotation was computed. [2020-07-21 12:54:44,862 INFO L268 CegarLoopResult]: For program point L962-2(lines 962 970) no Hoare annotation was computed. [2020-07-21 12:54:44,862 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 954 976) no Hoare annotation was computed. [2020-07-21 12:54:44,862 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 954 976) no Hoare annotation was computed. [2020-07-21 12:54:44,862 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 954 976) no Hoare annotation was computed. [2020-07-21 12:54:44,862 INFO L268 CegarLoopResult]: For program point L962(lines 962 970) no Hoare annotation was computed. [2020-07-21 12:54:44,863 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-21 12:54:44,863 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-21 12:54:44,863 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-21 12:54:44,863 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-21 12:54:44,863 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-21 12:54:44,863 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-21 12:54:44,864 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-21 12:54:44,864 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-21 12:54:44,864 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-21 12:54:44,864 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-21 12:54:44,864 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-21 12:54:44,864 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-21 12:54:44,864 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-21 12:54:44,864 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-21 12:54:44,864 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-21 12:54:44,865 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-21 12:54:44,865 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 648 657) no Hoare annotation was computed. [2020-07-21 12:54:44,865 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 648 657) no Hoare annotation was computed. [2020-07-21 12:54:44,865 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 648 657) no Hoare annotation was computed. [2020-07-21 12:54:44,865 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:44,865 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-21 12:54:44,865 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:44,866 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 533 540) no Hoare annotation was computed. [2020-07-21 12:54:44,866 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 533 540) no Hoare annotation was computed. [2020-07-21 12:54:44,866 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 533 540) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 12:54:44,866 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 605 623) no Hoare annotation was computed. [2020-07-21 12:54:44,866 INFO L268 CegarLoopResult]: For program point L614(lines 614 618) no Hoare annotation was computed. [2020-07-21 12:54:44,866 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 605 623) the Hoare annotation is: true [2020-07-21 12:54:44,866 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 605 623) no Hoare annotation was computed. [2020-07-21 12:54:44,867 INFO L271 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: true [2020-07-21 12:54:44,867 INFO L268 CegarLoopResult]: For program point L614-2(lines 614 618) no Hoare annotation was computed. [2020-07-21 12:54:44,867 INFO L268 CegarLoopResult]: For program point L612-1(line 612) no Hoare annotation was computed. [2020-07-21 12:54:44,867 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 977 985) the Hoare annotation is: true [2020-07-21 12:54:44,867 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 977 985) no Hoare annotation was computed. [2020-07-21 12:54:44,867 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 977 985) no Hoare annotation was computed. [2020-07-21 12:54:44,867 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:44,867 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:54:44,868 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:44,868 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 933 944) the Hoare annotation is: true [2020-07-21 12:54:44,868 INFO L268 CegarLoopResult]: For program point L937-1(lines 933 944) no Hoare annotation was computed. [2020-07-21 12:54:44,868 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 933 944) no Hoare annotation was computed. [2020-07-21 12:54:44,868 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 945 953) the Hoare annotation is: true [2020-07-21 12:54:44,868 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 945 953) no Hoare annotation was computed. [2020-07-21 12:54:44,868 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 945 953) no Hoare annotation was computed. [2020-07-21 12:54:44,869 INFO L264 CegarLoopResult]: At program point L437(line 437) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse5) .cse6 .cse7) (or .cse0 .cse1 .cse4 (and .cse8 .cse5)) (or .cse1 .cse2 .cse3 .cse6 .cse7)))) [2020-07-21 12:54:44,869 INFO L264 CegarLoopResult]: At program point L435(lines 435 441) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (and .cse6 .cse7 (<= 1 ~switchedOnBeforeTS~0) .cse10)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse9 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse5 (and .cse6 .cse7)) (let ((.cse8 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse8 .cse6 .cse7) .cse5 .cse4 .cse9 (and .cse8 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0)))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse9)))) [2020-07-21 12:54:44,869 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 421 447) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2020-07-21 12:54:44,870 INFO L264 CegarLoopResult]: At program point L430(line 430) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or .cse0 .cse4 .cse1 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 12:54:44,870 INFO L268 CegarLoopResult]: For program point L428(lines 424 446) no Hoare annotation was computed. [2020-07-21 12:54:44,870 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 421 447) no Hoare annotation was computed. [2020-07-21 12:54:44,870 INFO L268 CegarLoopResult]: For program point L426(lines 424 446) no Hoare annotation was computed. [2020-07-21 12:54:44,870 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 421 447) no Hoare annotation was computed. [2020-07-21 12:54:44,870 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 802 831) no Hoare annotation was computed. [2020-07-21 12:54:44,870 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 802 831) the Hoare annotation is: true [2020-07-21 12:54:44,871 INFO L271 CegarLoopResult]: At program point L827(lines 802 831) the Hoare annotation is: true [2020-07-21 12:54:44,871 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-21 12:54:44,871 INFO L268 CegarLoopResult]: For program point L816(lines 816 820) no Hoare annotation was computed. [2020-07-21 12:54:44,871 INFO L271 CegarLoopResult]: At program point L816-1(lines 816 820) the Hoare annotation is: true [2020-07-21 12:54:44,871 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-07-21 12:54:44,871 INFO L271 CegarLoopResult]: At program point L812-2(lines 812 826) the Hoare annotation is: true [2020-07-21 12:54:44,871 INFO L271 CegarLoopResult]: At program point L808(line 808) the Hoare annotation is: true [2020-07-21 12:54:44,871 INFO L268 CegarLoopResult]: For program point L808-1(line 808) no Hoare annotation was computed. [2020-07-21 12:54:44,872 INFO L268 CegarLoopResult]: For program point L913-1(lines 909 920) no Hoare annotation was computed. [2020-07-21 12:54:44,872 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 909 920) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2 .cse3))) [2020-07-21 12:54:44,872 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 909 920) no Hoare annotation was computed. [2020-07-21 12:54:44,872 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 856 862) no Hoare annotation was computed. [2020-07-21 12:54:44,872 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 856 862) the Hoare annotation is: true [2020-07-21 12:54:44,872 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:44,873 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 12:54:44,873 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:54:44,873 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:44,873 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 456 480) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:44,873 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 456 480) no Hoare annotation was computed. [2020-07-21 12:54:44,873 INFO L264 CegarLoopResult]: At program point L475(line 475) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-21 12:54:44,873 INFO L268 CegarLoopResult]: For program point L475-1(lines 456 480) no Hoare annotation was computed. [2020-07-21 12:54:44,874 INFO L264 CegarLoopResult]: At program point L470(line 470) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= 0 ~pumpRunning~0))))) [2020-07-21 12:54:44,874 INFO L264 CegarLoopResult]: At program point L466(line 466) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:44,874 INFO L268 CegarLoopResult]: For program point L464(lines 464 472) no Hoare annotation was computed. [2020-07-21 12:54:44,874 INFO L264 CegarLoopResult]: At program point L462(line 462) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:44,874 INFO L268 CegarLoopResult]: For program point L462-1(line 462) no Hoare annotation was computed. [2020-07-21 12:54:44,874 INFO L268 CegarLoopResult]: For program point L460(lines 460 477) no Hoare annotation was computed. [2020-07-21 12:54:44,874 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 921 932) no Hoare annotation was computed. [2020-07-21 12:54:44,874 INFO L268 CegarLoopResult]: For program point L925-1(lines 921 932) no Hoare annotation was computed. [2020-07-21 12:54:44,875 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 921 932) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-21 12:54:44,875 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 898 905) no Hoare annotation was computed. [2020-07-21 12:54:44,875 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 902) no Hoare annotation was computed. [2020-07-21 12:54:44,875 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 898 905) the Hoare annotation is: true [2020-07-21 12:54:44,875 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 898 905) no Hoare annotation was computed. [2020-07-21 12:54:44,875 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 482 506) no Hoare annotation was computed. [2020-07-21 12:54:44,875 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 482 506) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:44,876 INFO L264 CegarLoopResult]: At program point L501(line 501) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 12:54:44,876 INFO L268 CegarLoopResult]: For program point L501-1(lines 482 506) no Hoare annotation was computed. [2020-07-21 12:54:44,876 INFO L264 CegarLoopResult]: At program point L496(line 496) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-21 12:54:44,876 INFO L264 CegarLoopResult]: At program point L492(line 492) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-21 12:54:44,876 INFO L268 CegarLoopResult]: For program point L490(lines 490 498) no Hoare annotation was computed. [2020-07-21 12:54:44,876 INFO L264 CegarLoopResult]: At program point L488(line 488) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (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)|))))) [2020-07-21 12:54:44,876 INFO L268 CegarLoopResult]: For program point L488-1(line 488) no Hoare annotation was computed. [2020-07-21 12:54:44,877 INFO L268 CegarLoopResult]: For program point L486(lines 486 503) no Hoare annotation was computed. [2020-07-21 12:54:44,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:54:44 BoogieIcfgContainer [2020-07-21 12:54:44,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:54:44,896 INFO L168 Benchmark]: Toolchain (without parser) took 17131.95 ms. Allocated memory was 139.5 MB in the beginning and 433.1 MB in the end (delta: 293.6 MB). Free memory was 103.2 MB in the beginning and 369.9 MB in the end (delta: -266.8 MB). Peak memory consumption was 265.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:44,897 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:54:44,898 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.51 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.7 MB in the beginning and 171.5 MB in the end (delta: -68.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:44,899 INFO L168 Benchmark]: Boogie Preprocessor took 115.74 ms. Allocated memory is still 204.5 MB. Free memory was 171.5 MB in the beginning and 167.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:44,900 INFO L168 Benchmark]: RCFGBuilder took 1281.31 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 167.4 MB in the beginning and 191.9 MB in the end (delta: -24.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:44,901 INFO L168 Benchmark]: TraceAbstraction took 15046.93 ms. Allocated memory was 237.0 MB in the beginning and 433.1 MB in the end (delta: 196.1 MB). Free memory was 190.4 MB in the beginning and 369.9 MB in the end (delta: -179.5 MB). Peak memory consumption was 255.5 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:44,905 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 682.51 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 102.7 MB in the beginning and 171.5 MB in the end (delta: -68.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.74 ms. Allocated memory is still 204.5 MB. Free memory was 171.5 MB in the beginning and 167.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1281.31 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 167.4 MB in the beginning and 191.9 MB in the end (delta: -24.4 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15046.93 ms. Allocated memory was 237.0 MB in the beginning and 433.1 MB in the end (delta: 196.1 MB). Free memory was 190.4 MB in the beginning and 369.9 MB in the end (delta: -179.5 MB). Peak memory consumption was 255.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 902]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || (((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0)) || (((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= pumpRunning) - InvariantResult [Line: 694]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive) - InvariantResult [Line: 812]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.3s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2037 SDtfs, 1432 SDslu, 3382 SDs, 0 SdLazy, 1969 SolverSat, 567 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1141 GetRequests, 1079 SyntacticMatches, 6 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=520occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 190 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 1000 PreInvPairs, 1075 NumberOfFragments, 1692 HoareAnnotationTreeSize, 1000 FomulaSimplifications, 1330 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 69 FomulaSimplificationsInter, 7979 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 949 NumberOfCodeBlocks, 910 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1116 ConstructedInterpolants, 0 QuantifiedInterpolants, 244737 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7582 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 93/119 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...