/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_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:54:03,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:54:03,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:54:03,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:54:03,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:54:03,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:54:03,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:54:03,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:54:03,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:54:03,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:54:03,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:54:03,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:54:03,522 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:54:03,524 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:54:03,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:54:03,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:54:03,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:54:03,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:54:03,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:54:03,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:54:03,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:54:03,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:54:03,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:54:03,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:54:03,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:54:03,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:54:03,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:54:03,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:54:03,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:54:03,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:54:03,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:54:03,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:54:03,559 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:54:03,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:54:03,561 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:54:03,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:54:03,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:54:03,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:54:03,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:54:03,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:54:03,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:54:03,566 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 12:54:03,600 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:54:03,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:54:03,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:54:03,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:54:03,606 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:54:03,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:54:03,607 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:54:03,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:54:03,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:54:03,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:54:03,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:54:03,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:54:03,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:54:03,608 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:54:03,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:54:03,608 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:54:03,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:54:03,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:54:03,609 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:54:03,609 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:54:03,609 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:54:03,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:54:03,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:54:03,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:54:03,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:54:03,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:54:03,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:03,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:54:03,612 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:54:03,612 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 12:54:03,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:54:03,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:54:03,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:54:03,944 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:54:03,945 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:54:03,945 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-07-21 12:54:04,010 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01b33dcc4/45eb3481357143c78a8ecf274c4e4359/FLAG9866e5183 [2020-07-21 12:54:04,525 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:54:04,526 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-07-21 12:54:04,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01b33dcc4/45eb3481357143c78a8ecf274c4e4359/FLAG9866e5183 [2020-07-21 12:54:04,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01b33dcc4/45eb3481357143c78a8ecf274c4e4359 [2020-07-21 12:54:04,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:54:04,816 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:54:04,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:04,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:54:04,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:54:04,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:04" (1/1) ... [2020-07-21 12:54:04,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f9360b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:04, skipping insertion in model container [2020-07-21 12:54:04,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:04" (1/1) ... [2020-07-21 12:54:04,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:54:04,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:54:05,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:05,328 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:54:05,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:05,513 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:54:05,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05 WrapperNode [2020-07-21 12:54:05,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:05,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:54:05,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:54:05,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:54:05,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (1/1) ... [2020-07-21 12:54:05,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (1/1) ... [2020-07-21 12:54:05,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (1/1) ... [2020-07-21 12:54:05,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (1/1) ... [2020-07-21 12:54:05,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (1/1) ... [2020-07-21 12:54:05,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (1/1) ... [2020-07-21 12:54:05,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (1/1) ... [2020-07-21 12:54:05,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:54:05,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:54:05,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:54:05,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:54:05,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (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 12:54:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:54:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:54:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:54:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:54:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:54:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:54:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:54:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:54:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:54:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:54:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:54:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:54:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:54:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:54:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:54:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:54:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:54:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:54:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:54:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:54:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:54:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:54:05,692 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:54:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:54:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:54:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:54:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:54:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 12:54:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:54:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:54:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:54:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:54:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:54:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:54:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:54:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:54:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:54:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:54:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:54:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:54:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:54:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:54:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:54:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:54:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:54:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:54:05,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:54:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:54:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:54:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:54:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:54:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:54:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:54:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:54:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:54:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:54:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:54:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:54:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:54:05,702 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:54:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:54:05,703 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 12:54:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:54:05,704 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:54:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:54:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:54:05,705 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:54:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:54:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:54:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:05,706 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:54:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:54:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:54:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:54:05,707 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:54:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:54:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:54:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:54:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:54:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:54:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:54:06,751 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:54:06,752 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:54:06,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:06 BoogieIcfgContainer [2020-07-21 12:54:06,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:54:06,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:54:06,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:54:06,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:54:06,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:54:04" (1/3) ... [2020-07-21 12:54:06,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7e2fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:06, skipping insertion in model container [2020-07-21 12:54:06,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:05" (2/3) ... [2020-07-21 12:54:06,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7e2fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:06, skipping insertion in model container [2020-07-21 12:54:06,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:06" (3/3) ... [2020-07-21 12:54:06,766 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2020-07-21 12:54:06,777 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:54:06,786 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:54:06,802 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:54:06,829 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:54:06,829 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:54:06,829 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:54:06,830 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:54:06,830 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:54:06,830 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:54:06,830 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:54:06,831 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:54:06,855 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-07-21 12:54:06,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 12:54:06,865 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:06,867 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 12:54:06,867 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:06,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:06,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1468621358, now seen corresponding path program 1 times [2020-07-21 12:54:06,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:06,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1764149160] [2020-07-21 12:54:06,882 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 12:54:07,229 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:07,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:07,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:54:07,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:07,279 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 12:54:07,280 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:07,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1764149160] [2020-07-21 12:54:07,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:07,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:54:07,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30041559] [2020-07-21 12:54:07,289 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:54:07,289 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:07,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:54:07,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:54:07,310 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2020-07-21 12:54:07,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:07,356 INFO L93 Difference]: Finished difference Result 234 states and 291 transitions. [2020-07-21 12:54:07,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:54:07,358 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 12:54:07,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:07,375 INFO L225 Difference]: With dead ends: 234 [2020-07-21 12:54:07,375 INFO L226 Difference]: Without dead ends: 119 [2020-07-21 12:54:07,380 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 12:54:07,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-21 12:54:07,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-07-21 12:54:07,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-21 12:54:07,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-07-21 12:54:07,448 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 59 [2020-07-21 12:54:07,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:07,449 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-07-21 12:54:07,449 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:54:07,449 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-07-21 12:54:07,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 12:54:07,454 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:07,455 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:07,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:07,671 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:07,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:07,672 INFO L82 PathProgramCache]: Analyzing trace with hash 732022184, now seen corresponding path program 1 times [2020-07-21 12:54:07,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:07,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968819449] [2020-07-21 12:54:07,674 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 12:54:08,006 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:08,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:08,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:54:08,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:08,048 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 12:54:08,049 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:08,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968819449] [2020-07-21 12:54:08,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:08,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:08,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312156600] [2020-07-21 12:54:08,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:08,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:08,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:08,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:08,053 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 3 states. [2020-07-21 12:54:08,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:08,072 INFO L93 Difference]: Finished difference Result 179 states and 209 transitions. [2020-07-21 12:54:08,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:08,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 12:54:08,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:08,075 INFO L225 Difference]: With dead ends: 179 [2020-07-21 12:54:08,075 INFO L226 Difference]: Without dead ends: 110 [2020-07-21 12:54:08,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:08,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-21 12:54:08,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-07-21 12:54:08,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-21 12:54:08,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2020-07-21 12:54:08,094 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 60 [2020-07-21 12:54:08,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:08,094 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2020-07-21 12:54:08,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:08,094 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2020-07-21 12:54:08,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-21 12:54:08,097 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:08,098 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:08,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:08,299 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:08,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:08,300 INFO L82 PathProgramCache]: Analyzing trace with hash -69452161, now seen corresponding path program 1 times [2020-07-21 12:54:08,300 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:08,301 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1009712762] [2020-07-21 12:54:08,301 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 12:54:08,598 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:08,598 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:08,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 716 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:54:08,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:08,643 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 12:54:08,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:08,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1009712762] [2020-07-21 12:54:08,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:08,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:08,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840743795] [2020-07-21 12:54:08,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:08,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:08,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:08,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:08,647 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 3 states. [2020-07-21 12:54:08,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:08,670 INFO L93 Difference]: Finished difference Result 192 states and 227 transitions. [2020-07-21 12:54:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:08,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-21 12:54:08,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:08,672 INFO L225 Difference]: With dead ends: 192 [2020-07-21 12:54:08,673 INFO L226 Difference]: Without dead ends: 110 [2020-07-21 12:54:08,674 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:08,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-07-21 12:54:08,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-07-21 12:54:08,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-07-21 12:54:08,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 126 transitions. [2020-07-21 12:54:08,685 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 126 transitions. Word has length 65 [2020-07-21 12:54:08,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:08,687 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 126 transitions. [2020-07-21 12:54:08,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:08,688 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 126 transitions. [2020-07-21 12:54:08,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-07-21 12:54:08,689 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:08,690 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] [2020-07-21 12:54:08,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:08,903 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:08,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:08,904 INFO L82 PathProgramCache]: Analyzing trace with hash -752044170, now seen corresponding path program 1 times [2020-07-21 12:54:08,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:08,905 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870035309] [2020-07-21 12:54:08,906 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 12:54:09,225 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:09,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:09,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 12:54:09,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:09,286 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 12:54:09,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:09,286 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1870035309] [2020-07-21 12:54:09,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:09,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:09,287 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813599504] [2020-07-21 12:54:09,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:09,288 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:09,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:09,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:09,289 INFO L87 Difference]: Start difference. First operand 110 states and 126 transitions. Second operand 6 states. [2020-07-21 12:54:09,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:09,876 INFO L93 Difference]: Finished difference Result 255 states and 302 transitions. [2020-07-21 12:54:09,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:54:09,877 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2020-07-21 12:54:09,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:09,879 INFO L225 Difference]: With dead ends: 255 [2020-07-21 12:54:09,880 INFO L226 Difference]: Without dead ends: 173 [2020-07-21 12:54:09,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 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 12:54:09,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-21 12:54:09,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2020-07-21 12:54:09,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-07-21 12:54:09,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 194 transitions. [2020-07-21 12:54:09,921 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 194 transitions. Word has length 73 [2020-07-21 12:54:09,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:09,922 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 194 transitions. [2020-07-21 12:54:09,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:09,924 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 194 transitions. [2020-07-21 12:54:09,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-21 12:54:09,929 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:09,930 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] [2020-07-21 12:54:10,143 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:10,144 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:10,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:10,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1770960597, now seen corresponding path program 1 times [2020-07-21 12:54:10,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:10,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [553534857] [2020-07-21 12:54:10,145 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 12:54:10,483 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:10,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:10,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:10,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:10,530 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 12:54:10,531 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:10,531 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [553534857] [2020-07-21 12:54:10,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:10,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:10,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391679080] [2020-07-21 12:54:10,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:10,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:10,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:10,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:10,533 INFO L87 Difference]: Start difference. First operand 170 states and 194 transitions. Second operand 6 states. [2020-07-21 12:54:10,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:10,748 INFO L93 Difference]: Finished difference Result 315 states and 365 transitions. [2020-07-21 12:54:10,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:54:10,748 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2020-07-21 12:54:10,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:10,751 INFO L225 Difference]: With dead ends: 315 [2020-07-21 12:54:10,751 INFO L226 Difference]: Without dead ends: 173 [2020-07-21 12:54:10,753 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 82 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 12:54:10,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-21 12:54:10,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 169. [2020-07-21 12:54:10,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-07-21 12:54:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 191 transitions. [2020-07-21 12:54:10,779 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 191 transitions. Word has length 87 [2020-07-21 12:54:10,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:10,780 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 191 transitions. [2020-07-21 12:54:10,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:10,783 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 191 transitions. [2020-07-21 12:54:10,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-21 12:54:10,784 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:10,785 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] [2020-07-21 12:54:10,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:10,986 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:10,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:10,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1107726217, now seen corresponding path program 1 times [2020-07-21 12:54:10,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:10,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562010857] [2020-07-21 12:54:10,988 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 12:54:11,218 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:11,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:11,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:11,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:11,284 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 12:54:11,284 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:11,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562010857] [2020-07-21 12:54:11,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:11,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:11,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841900426] [2020-07-21 12:54:11,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:11,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:11,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:11,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:11,287 INFO L87 Difference]: Start difference. First operand 169 states and 191 transitions. Second operand 6 states. [2020-07-21 12:54:11,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:11,327 INFO L93 Difference]: Finished difference Result 246 states and 280 transitions. [2020-07-21 12:54:11,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:54:11,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2020-07-21 12:54:11,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:11,335 INFO L225 Difference]: With dead ends: 246 [2020-07-21 12:54:11,335 INFO L226 Difference]: Without dead ends: 174 [2020-07-21 12:54:11,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 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 12:54:11,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2020-07-21 12:54:11,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2020-07-21 12:54:11,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-07-21 12:54:11,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 196 transitions. [2020-07-21 12:54:11,354 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 196 transitions. Word has length 88 [2020-07-21 12:54:11,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:11,354 INFO L479 AbstractCegarLoop]: Abstraction has 174 states and 196 transitions. [2020-07-21 12:54:11,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:11,354 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 196 transitions. [2020-07-21 12:54:11,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-21 12:54:11,356 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:11,356 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] [2020-07-21 12:54:11,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:11,568 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:11,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:11,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1801037685, now seen corresponding path program 1 times [2020-07-21 12:54:11,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:11,570 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028614183] [2020-07-21 12:54:11,570 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 12:54:11,819 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:11,819 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:11,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:54:11,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:11,857 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 12:54:11,857 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:11,858 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028614183] [2020-07-21 12:54:11,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:11,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:54:11,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455114646] [2020-07-21 12:54:11,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:54:11,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:11,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:54:11,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:54:11,860 INFO L87 Difference]: Start difference. First operand 174 states and 196 transitions. Second operand 5 states. [2020-07-21 12:54:11,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:11,881 INFO L93 Difference]: Finished difference Result 327 states and 377 transitions. [2020-07-21 12:54:11,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:54:11,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2020-07-21 12:54:11,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:11,884 INFO L225 Difference]: With dead ends: 327 [2020-07-21 12:54:11,884 INFO L226 Difference]: Without dead ends: 181 [2020-07-21 12:54:11,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 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 12:54:11,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-07-21 12:54:11,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 178. [2020-07-21 12:54:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-07-21 12:54:11,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 200 transitions. [2020-07-21 12:54:11,899 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 200 transitions. Word has length 88 [2020-07-21 12:54:11,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:11,900 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 200 transitions. [2020-07-21 12:54:11,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:54:11,900 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 200 transitions. [2020-07-21 12:54:11,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-21 12:54:11,901 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:11,901 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] [2020-07-21 12:54:12,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:12,117 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:12,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:12,118 INFO L82 PathProgramCache]: Analyzing trace with hash 310252684, now seen corresponding path program 1 times [2020-07-21 12:54:12,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:12,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495865813] [2020-07-21 12:54:12,119 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 12:54:12,358 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:12,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:12,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:54:12,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:12,388 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 12:54:12,388 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:12,389 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [495865813] [2020-07-21 12:54:12,389 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:12,389 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:12,389 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042456965] [2020-07-21 12:54:12,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:12,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:12,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:12,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:12,391 INFO L87 Difference]: Start difference. First operand 178 states and 200 transitions. Second operand 3 states. [2020-07-21 12:54:12,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:12,425 INFO L93 Difference]: Finished difference Result 452 states and 532 transitions. [2020-07-21 12:54:12,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:12,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-07-21 12:54:12,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:12,429 INFO L225 Difference]: With dead ends: 452 [2020-07-21 12:54:12,429 INFO L226 Difference]: Without dead ends: 302 [2020-07-21 12:54:12,430 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 85 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 12:54:12,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-07-21 12:54:12,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 299. [2020-07-21 12:54:12,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-07-21 12:54:12,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 346 transitions. [2020-07-21 12:54:12,454 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 346 transitions. Word has length 88 [2020-07-21 12:54:12,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:12,455 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 346 transitions. [2020-07-21 12:54:12,455 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:12,455 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 346 transitions. [2020-07-21 12:54:12,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-21 12:54:12,457 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:12,457 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] [2020-07-21 12:54:12,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:12,672 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:12,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:12,673 INFO L82 PathProgramCache]: Analyzing trace with hash 1394429222, now seen corresponding path program 1 times [2020-07-21 12:54:12,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:12,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1152147936] [2020-07-21 12:54:12,674 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 12:54:12,909 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:12,910 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:12,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 12:54:12,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:13,010 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 12:54:13,011 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:13,011 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1152147936] [2020-07-21 12:54:13,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:13,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 12:54:13,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337816868] [2020-07-21 12:54:13,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:13,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:13,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:13,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:13,013 INFO L87 Difference]: Start difference. First operand 299 states and 346 transitions. Second operand 10 states. [2020-07-21 12:54:14,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:14,130 INFO L93 Difference]: Finished difference Result 794 states and 1023 transitions. [2020-07-21 12:54:14,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 12:54:14,131 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 92 [2020-07-21 12:54:14,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:14,141 INFO L225 Difference]: With dead ends: 794 [2020-07-21 12:54:14,141 INFO L226 Difference]: Without dead ends: 523 [2020-07-21 12:54:14,143 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 83 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 12:54:14,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2020-07-21 12:54:14,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 392. [2020-07-21 12:54:14,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2020-07-21 12:54:14,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 456 transitions. [2020-07-21 12:54:14,196 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 456 transitions. Word has length 92 [2020-07-21 12:54:14,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:14,196 INFO L479 AbstractCegarLoop]: Abstraction has 392 states and 456 transitions. [2020-07-21 12:54:14,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:14,197 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 456 transitions. [2020-07-21 12:54:14,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-07-21 12:54:14,199 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:14,200 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:14,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:14,414 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:14,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:14,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1563029790, now seen corresponding path program 1 times [2020-07-21 12:54:14,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:14,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101245638] [2020-07-21 12:54:14,415 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 12:54:14,699 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:14,699 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:14,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:54:14,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:14,775 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:14,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:54:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 12:54:15,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101245638] [2020-07-21 12:54:15,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:54:15,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 12:54:15,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249995381] [2020-07-21 12:54:15,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:15,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:15,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:15,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:15,099 INFO L87 Difference]: Start difference. First operand 392 states and 456 transitions. Second operand 10 states. [2020-07-21 12:54:15,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:15,748 INFO L93 Difference]: Finished difference Result 440 states and 519 transitions. [2020-07-21 12:54:15,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 12:54:15,750 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2020-07-21 12:54:15,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:15,751 INFO L225 Difference]: With dead ends: 440 [2020-07-21 12:54:15,751 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:54:15,754 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 259 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-07-21 12:54:15,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:54:15,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:54:15,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:54:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:54:15,755 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2020-07-21 12:54:15,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:15,755 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:54:15,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:15,756 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:54:15,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:54:15,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:15,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:54:16,845 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-07-21 12:54:16,999 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-07-21 12:54:17,429 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 39 [2020-07-21 12:54:17,638 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2020-07-21 12:54:17,838 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-21 12:54:18,174 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-21 12:54:18,454 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2020-07-21 12:54:18,649 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2020-07-21 12:54:18,827 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 24 [2020-07-21 12:54:19,162 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-07-21 12:54:19,319 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2020-07-21 12:54:19,524 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-07-21 12:54:19,673 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2020-07-21 12:54:19,864 INFO L268 CegarLoopResult]: For program point L186(lines 163 187) no Hoare annotation was computed. [2020-07-21 12:54:19,864 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 139 194) no Hoare annotation was computed. [2020-07-21 12:54:19,864 INFO L268 CegarLoopResult]: For program point L170(lines 170 174) no Hoare annotation was computed. [2020-07-21 12:54:19,864 INFO L268 CegarLoopResult]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2020-07-21 12:54:19,865 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 139 194) no Hoare annotation was computed. [2020-07-21 12:54:19,865 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-21 12:54:19,865 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 139 194) no Hoare annotation was computed. [2020-07-21 12:54:19,865 INFO L268 CegarLoopResult]: For program point L164-2(lines 164 185) no Hoare annotation was computed. [2020-07-21 12:54:19,865 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-21 12:54:19,865 INFO L268 CegarLoopResult]: For program point L221-2(lines 221 246) no Hoare annotation was computed. [2020-07-21 12:54:19,865 INFO L268 CegarLoopResult]: For program point L247(lines 220 248) no Hoare annotation was computed. [2020-07-21 12:54:19,866 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 195 254) no Hoare annotation was computed. [2020-07-21 12:54:19,866 INFO L268 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2020-07-21 12:54:19,866 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-21 12:54:19,866 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 195 254) no Hoare annotation was computed. [2020-07-21 12:54:19,866 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 195 254) no Hoare annotation was computed. [2020-07-21 12:54:19,866 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-07-21 12:54:19,866 INFO L268 CegarLoopResult]: For program point L227-1(lines 227 231) no Hoare annotation was computed. [2020-07-21 12:54:19,867 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-21 12:54:19,867 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-21 12:54:19,867 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-21 12:54:19,867 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-21 12:54:19,867 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-21 12:54:19,867 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 794 801) the Hoare annotation is: true [2020-07-21 12:54:19,867 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 794 801) no Hoare annotation was computed. [2020-07-21 12:54:19,868 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 794 801) no Hoare annotation was computed. [2020-07-21 12:54:19,868 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 802 811) the Hoare annotation is: (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-21 12:54:19,868 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 802 811) no Hoare annotation was computed. [2020-07-21 12:54:19,868 INFO L268 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-07-21 12:54:19,868 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 802 811) no Hoare annotation was computed. [2020-07-21 12:54:19,868 INFO L264 CegarLoopResult]: At program point L827(line 827) 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 12:54:19,869 INFO L268 CegarLoopResult]: For program point L825(lines 825 831) no Hoare annotation was computed. [2020-07-21 12:54:19,869 INFO L268 CegarLoopResult]: For program point L824(lines 824 834) no Hoare annotation was computed. [2020-07-21 12:54:19,869 INFO L264 CegarLoopResult]: At program point L822(line 822) 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 12:54:19,869 INFO L268 CegarLoopResult]: For program point L822-1(line 822) no Hoare annotation was computed. [2020-07-21 12:54:19,869 INFO L268 CegarLoopResult]: For program point L820(lines 820 837) no Hoare annotation was computed. [2020-07-21 12:54:19,869 INFO L268 CegarLoopResult]: For program point L820-1(lines 812 840) no Hoare annotation was computed. [2020-07-21 12:54:19,870 INFO L271 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: true [2020-07-21 12:54:19,870 INFO L268 CegarLoopResult]: For program point L818-1(line 818) no Hoare annotation was computed. [2020-07-21 12:54:19,870 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 812 840) the Hoare annotation is: true [2020-07-21 12:54:19,870 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 812 840) no Hoare annotation was computed. [2020-07-21 12:54:19,870 INFO L264 CegarLoopResult]: At program point L927(line 927) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:19,870 INFO L264 CegarLoopResult]: At program point L927-1(line 927) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:19,870 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 915 937) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:19,871 INFO L268 CegarLoopResult]: For program point L925(lines 925 932) no Hoare annotation was computed. [2020-07-21 12:54:19,871 INFO L268 CegarLoopResult]: For program point L925-1(lines 925 932) no Hoare annotation was computed. [2020-07-21 12:54:19,871 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-07-21 12:54:19,871 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:19,871 INFO L264 CegarLoopResult]: At program point L921(line 921) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:19,871 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 915 937) no Hoare annotation was computed. [2020-07-21 12:54:19,871 INFO L264 CegarLoopResult]: At program point L921-1(line 921) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:19,872 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 915 937) no Hoare annotation was computed. [2020-07-21 12:54:19,872 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 873 896) no Hoare annotation was computed. [2020-07-21 12:54:19,872 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 873 896) no Hoare annotation was computed. [2020-07-21 12:54:19,872 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 873 896) no Hoare annotation was computed. [2020-07-21 12:54:19,872 INFO L268 CegarLoopResult]: For program point L891(line 891) no Hoare annotation was computed. [2020-07-21 12:54:19,872 INFO L268 CegarLoopResult]: For program point L890(line 890) no Hoare annotation was computed. [2020-07-21 12:54:19,872 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-07-21 12:54:19,872 INFO L268 CegarLoopResult]: For program point L888(line 888) no Hoare annotation was computed. [2020-07-21 12:54:19,873 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-07-21 12:54:19,873 INFO L268 CegarLoopResult]: For program point L886(line 886) no Hoare annotation was computed. [2020-07-21 12:54:19,873 INFO L268 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2020-07-21 12:54:19,873 INFO L268 CegarLoopResult]: For program point L884(line 884) no Hoare annotation was computed. [2020-07-21 12:54:19,873 INFO L268 CegarLoopResult]: For program point L883(line 883) no Hoare annotation was computed. [2020-07-21 12:54:19,873 INFO L268 CegarLoopResult]: For program point L882(line 882) no Hoare annotation was computed. [2020-07-21 12:54:19,873 INFO L268 CegarLoopResult]: For program point L881(line 881) no Hoare annotation was computed. [2020-07-21 12:54:19,873 INFO L268 CegarLoopResult]: For program point L880(line 880) no Hoare annotation was computed. [2020-07-21 12:54:19,874 INFO L268 CegarLoopResult]: For program point L879(line 879) no Hoare annotation was computed. [2020-07-21 12:54:19,874 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-07-21 12:54:19,874 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 720 728) no Hoare annotation was computed. [2020-07-21 12:54:19,874 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 720 728) the Hoare annotation is: true [2020-07-21 12:54:19,874 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 720 728) no Hoare annotation was computed. [2020-07-21 12:54:19,874 INFO L268 CegarLoopResult]: For program point L736(lines 736 744) no Hoare annotation was computed. [2020-07-21 12:54:19,874 INFO L268 CegarLoopResult]: For program point L736-2(lines 736 744) no Hoare annotation was computed. [2020-07-21 12:54:19,874 INFO L268 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-07-21 12:54:19,875 INFO L268 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2020-07-21 12:54:19,875 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 729 764) no Hoare annotation was computed. [2020-07-21 12:54:19,875 INFO L268 CegarLoopResult]: For program point L748(lines 748 756) no Hoare annotation was computed. [2020-07-21 12:54:19,875 INFO L268 CegarLoopResult]: For program point L748-2(lines 748 756) no Hoare annotation was computed. [2020-07-21 12:54:19,875 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 729 764) no Hoare annotation was computed. [2020-07-21 12:54:19,877 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 729 764) no Hoare annotation was computed. [2020-07-21 12:54:19,877 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-21 12:54:19,878 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-21 12:54:19,878 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 93 138) no Hoare annotation was computed. [2020-07-21 12:54:19,878 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 93 138) no Hoare annotation was computed. [2020-07-21 12:54:19,878 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 93 138) no Hoare annotation was computed. [2020-07-21 12:54:19,878 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 406 451) no Hoare annotation was computed. [2020-07-21 12:54:19,878 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 406 451) no Hoare annotation was computed. [2020-07-21 12:54:19,878 INFO L268 CegarLoopResult]: For program point L426(lines 426 433) no Hoare annotation was computed. [2020-07-21 12:54:19,879 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 406 451) no Hoare annotation was computed. [2020-07-21 12:54:19,879 INFO L268 CegarLoopResult]: For program point L420(lines 420 440) no Hoare annotation was computed. [2020-07-21 12:54:19,879 INFO L268 CegarLoopResult]: For program point L420-1(lines 420 440) no Hoare annotation was computed. [2020-07-21 12:54:19,879 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 904 914) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:19,879 INFO L264 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:19,879 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 904 914) no Hoare annotation was computed. [2020-07-21 12:54:19,880 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 904 914) no Hoare annotation was computed. [2020-07-21 12:54:19,880 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 709 719) no Hoare annotation was computed. [2020-07-21 12:54:19,880 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 709 719) no Hoare annotation was computed. [2020-07-21 12:54:19,880 INFO L268 CegarLoopResult]: For program point L714(line 714) no Hoare annotation was computed. [2020-07-21 12:54:19,880 INFO L268 CegarLoopResult]: For program point L714-1(line 714) no Hoare annotation was computed. [2020-07-21 12:54:19,880 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 709 719) no Hoare annotation was computed. [2020-07-21 12:54:19,880 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 701 708) no Hoare annotation was computed. [2020-07-21 12:54:19,880 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 701 708) no Hoare annotation was computed. [2020-07-21 12:54:19,880 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 701 708) no Hoare annotation was computed. [2020-07-21 12:54:19,881 INFO L268 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2020-07-21 12:54:19,881 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 539 552) no Hoare annotation was computed. [2020-07-21 12:54:19,881 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 539 552) the Hoare annotation is: true [2020-07-21 12:54:19,881 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 539 552) no Hoare annotation was computed. [2020-07-21 12:54:19,881 INFO L268 CegarLoopResult]: For program point L674-1(line 674) no Hoare annotation was computed. [2020-07-21 12:54:19,881 INFO L268 CegarLoopResult]: For program point L672(lines 672 689) no Hoare annotation was computed. [2020-07-21 12:54:19,881 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 668 692) no Hoare annotation was computed. [2020-07-21 12:54:19,881 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 668 692) 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 12:54:19,882 INFO L264 CegarLoopResult]: At program point L687(line 687) 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 12:54:19,882 INFO L268 CegarLoopResult]: For program point L687-1(lines 668 692) no Hoare annotation was computed. [2020-07-21 12:54:19,882 INFO L264 CegarLoopResult]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 processEnvironment_~tmp~4) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 12:54:19,882 INFO L264 CegarLoopResult]: At program point L678(line 678) 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 12:54:19,882 INFO L268 CegarLoopResult]: For program point L676(lines 676 684) no Hoare annotation was computed. [2020-07-21 12:54:19,883 INFO L264 CegarLoopResult]: At program point L674(line 674) 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 12:54:19,883 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 660 666) no Hoare annotation was computed. [2020-07-21 12:54:19,883 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 660 666) the Hoare annotation is: true [2020-07-21 12:54:19,883 INFO L264 CegarLoopResult]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:19,883 INFO L268 CegarLoopResult]: For program point L605(lines 605 609) no Hoare annotation was computed. [2020-07-21 12:54:19,883 INFO L264 CegarLoopResult]: At program point L605-2(lines 597 610) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 12:54:19,884 INFO L268 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-07-21 12:54:19,884 INFO L264 CegarLoopResult]: At program point L599(line 599) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 12:54:19,884 INFO L268 CegarLoopResult]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2020-07-21 12:54:19,884 INFO L268 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-07-21 12:54:19,884 INFO L264 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-21 12:54:19,884 INFO L268 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-07-21 12:54:19,885 INFO L268 CegarLoopResult]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2020-07-21 12:54:19,885 INFO L264 CegarLoopResult]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:54:19,885 INFO L264 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~pumpRunning~0) .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 12:54:19,885 INFO L268 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-07-21 12:54:19,885 INFO L268 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2020-07-21 12:54:19,885 INFO L268 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-07-21 12:54:19,885 INFO L264 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:54:19,886 INFO L268 CegarLoopResult]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2020-07-21 12:54:19,886 INFO L268 CegarLoopResult]: For program point L380(lines 380 387) no Hoare annotation was computed. [2020-07-21 12:54:19,886 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 360 405) no Hoare annotation was computed. [2020-07-21 12:54:19,886 INFO L268 CegarLoopResult]: For program point L374(lines 374 394) no Hoare annotation was computed. [2020-07-21 12:54:19,886 INFO L268 CegarLoopResult]: For program point L374-1(lines 374 394) no Hoare annotation was computed. [2020-07-21 12:54:19,886 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 360 405) no Hoare annotation was computed. [2020-07-21 12:54:19,886 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 360 405) no Hoare annotation was computed. [2020-07-21 12:54:19,886 INFO L268 CegarLoopResult]: For program point L515-2(lines 515 523) no Hoare annotation was computed. [2020-07-21 12:54:19,886 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 507 529) no Hoare annotation was computed. [2020-07-21 12:54:19,886 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 507 529) no Hoare annotation was computed. [2020-07-21 12:54:19,887 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 507 529) no Hoare annotation was computed. [2020-07-21 12:54:19,887 INFO L268 CegarLoopResult]: For program point L515(lines 515 523) no Hoare annotation was computed. [2020-07-21 12:54:19,887 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-21 12:54:19,887 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-21 12:54:19,887 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-21 12:54:19,887 INFO L268 CegarLoopResult]: For program point L322-1(line 322) no Hoare annotation was computed. [2020-07-21 12:54:19,887 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 257 359) no Hoare annotation was computed. [2020-07-21 12:54:19,887 INFO L268 CegarLoopResult]: For program point L281(lines 281 285) no Hoare annotation was computed. [2020-07-21 12:54:19,887 INFO L268 CegarLoopResult]: For program point L345(lines 345 356) no Hoare annotation was computed. [2020-07-21 12:54:19,888 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-07-21 12:54:19,888 INFO L268 CegarLoopResult]: For program point L306-2(lines 306 326) no Hoare annotation was computed. [2020-07-21 12:54:19,888 INFO L268 CegarLoopResult]: For program point L327(lines 305 328) no Hoare annotation was computed. [2020-07-21 12:54:19,888 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 257 359) no Hoare annotation was computed. [2020-07-21 12:54:19,888 INFO L268 CegarLoopResult]: For program point L286(lines 286 302) no Hoare annotation was computed. [2020-07-21 12:54:19,888 INFO L268 CegarLoopResult]: For program point L346(lines 346 353) no Hoare annotation was computed. [2020-07-21 12:54:19,888 INFO L268 CegarLoopResult]: For program point L307(lines 306 326) no Hoare annotation was computed. [2020-07-21 12:54:19,888 INFO L268 CegarLoopResult]: For program point L338(line 338) no Hoare annotation was computed. [2020-07-21 12:54:19,888 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 257 359) no Hoare annotation was computed. [2020-07-21 12:54:19,889 INFO L268 CegarLoopResult]: For program point L338-1(line 338) no Hoare annotation was computed. [2020-07-21 12:54:19,889 INFO L268 CegarLoopResult]: For program point L303(lines 303 344) no Hoare annotation was computed. [2020-07-21 12:54:19,889 INFO L268 CegarLoopResult]: For program point L322(line 322) no Hoare annotation was computed. [2020-07-21 12:54:19,889 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:19,889 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 12:54:19,889 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:19,889 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 693 700) no Hoare annotation was computed. [2020-07-21 12:54:19,889 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 693 700) no Hoare annotation was computed. [2020-07-21 12:54:19,890 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 693 700) 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 12:54:19,890 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 530 538) the Hoare annotation is: true [2020-07-21 12:54:19,890 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 530 538) no Hoare annotation was computed. [2020-07-21 12:54:19,890 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 530 538) no Hoare annotation was computed. [2020-07-21 12:54:19,890 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 765 783) no Hoare annotation was computed. [2020-07-21 12:54:19,890 INFO L268 CegarLoopResult]: For program point L774(lines 774 778) no Hoare annotation was computed. [2020-07-21 12:54:19,890 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 765 783) the Hoare annotation is: true [2020-07-21 12:54:19,891 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 765 783) no Hoare annotation was computed. [2020-07-21 12:54:19,891 INFO L271 CegarLoopResult]: At program point L772(line 772) the Hoare annotation is: true [2020-07-21 12:54:19,891 INFO L268 CegarLoopResult]: For program point L774-2(lines 774 778) no Hoare annotation was computed. [2020-07-21 12:54:19,891 INFO L268 CegarLoopResult]: For program point L772-1(line 772) no Hoare annotation was computed. [2020-07-21 12:54:19,891 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:19,891 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:54:19,891 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:19,891 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 486 497) the Hoare annotation is: true [2020-07-21 12:54:19,891 INFO L268 CegarLoopResult]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2020-07-21 12:54:19,892 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2020-07-21 12:54:19,892 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 498 506) no Hoare annotation was computed. [2020-07-21 12:54:19,892 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 498 506) no Hoare annotation was computed. [2020-07-21 12:54:19,892 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 498 506) no Hoare annotation was computed. [2020-07-21 12:54:19,892 INFO L268 CegarLoopResult]: For program point L640(lines 636 658) no Hoare annotation was computed. [2020-07-21 12:54:19,892 INFO L268 CegarLoopResult]: For program point L638(lines 636 658) no Hoare annotation was computed. [2020-07-21 12:54:19,892 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 633 659) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (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))) [2020-07-21 12:54:19,893 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 633 659) no Hoare annotation was computed. [2020-07-21 12:54:19,893 INFO L264 CegarLoopResult]: At program point L649(line 649) 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 12:54:19,893 INFO L264 CegarLoopResult]: At program point L647(lines 647 653) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse6 (= 0 ~pumpRunning~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 (and .cse5 .cse6)) (or .cse1 .cse2 .cse3 .cse7 .cse8) (let ((.cse9 (<= 2 ~waterLevel~0))) (or .cse1 (and .cse9 .cse5 .cse6) .cse4 .cse7 .cse8 (and .cse9 (<= ~waterLevel~0 2) (<= 1 ~pumpRunning~0))))))) [2020-07-21 12:54:19,893 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 633 659) no Hoare annotation was computed. [2020-07-21 12:54:19,893 INFO L264 CegarLoopResult]: At program point L642(line 642) 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 12:54:19,894 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-07-21 12:54:19,894 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 843 872) no Hoare annotation was computed. [2020-07-21 12:54:19,894 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 843 872) the Hoare annotation is: true [2020-07-21 12:54:19,894 INFO L268 CegarLoopResult]: For program point L857(lines 857 861) no Hoare annotation was computed. [2020-07-21 12:54:19,894 INFO L271 CegarLoopResult]: At program point L857-1(lines 857 861) the Hoare annotation is: true [2020-07-21 12:54:19,894 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-07-21 12:54:19,894 INFO L271 CegarLoopResult]: At program point L853-2(lines 853 867) the Hoare annotation is: true [2020-07-21 12:54:19,894 INFO L271 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: true [2020-07-21 12:54:19,895 INFO L268 CegarLoopResult]: For program point L849-1(line 849) no Hoare annotation was computed. [2020-07-21 12:54:19,895 INFO L271 CegarLoopResult]: At program point L868(lines 843 872) the Hoare annotation is: true [2020-07-21 12:54:19,895 INFO L268 CegarLoopResult]: For program point L466-1(lines 462 473) no Hoare annotation was computed. [2020-07-21 12:54:19,895 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 462 473) 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 (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) (or .cse0 (<= ~waterLevel~0 2) .cse1 .cse2 .cse3))) [2020-07-21 12:54:19,895 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 462 473) no Hoare annotation was computed. [2020-07-21 12:54:19,895 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 897 903) no Hoare annotation was computed. [2020-07-21 12:54:19,896 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 897 903) the Hoare annotation is: true [2020-07-21 12:54:19,896 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:19,896 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 12:54:19,896 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:54:19,896 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:19,896 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 784 791) no Hoare annotation was computed. [2020-07-21 12:54:19,897 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 784 791) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~pumpRunning~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 |old(~systemActive~0)|))) (.cse2 (<= 1 ~systemActive~0))) (and (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 2 ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse3 .cse2))) [2020-07-21 12:54:19,897 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 784 791) no Hoare annotation was computed. [2020-07-21 12:54:19,897 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2020-07-21 12:54:19,897 INFO L268 CegarLoopResult]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2020-07-21 12:54:19,897 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 474 485) 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 12:54:19,898 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-07-21 12:54:19,898 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-07-21 12:54:19,898 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-07-21 12:54:19,898 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-07-21 12:54:19,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:54:19 BoogieIcfgContainer [2020-07-21 12:54:19,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:54:19,927 INFO L168 Benchmark]: Toolchain (without parser) took 15110.45 ms. Allocated memory was 140.0 MB in the beginning and 378.0 MB in the end (delta: 238.0 MB). Free memory was 102.1 MB in the beginning and 317.4 MB in the end (delta: -215.2 MB). Peak memory consumption was 249.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:19,928 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:54:19,929 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.13 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.7 MB in the beginning and 174.9 MB in the end (delta: -73.1 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:19,930 INFO L168 Benchmark]: Boogie Preprocessor took 99.98 ms. Allocated memory is still 205.0 MB. Free memory was 174.9 MB in the beginning and 170.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:19,930 INFO L168 Benchmark]: RCFGBuilder took 1143.76 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 170.3 MB in the beginning and 195.8 MB in the end (delta: -25.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:19,931 INFO L168 Benchmark]: TraceAbstraction took 13165.25 ms. Allocated memory was 235.9 MB in the beginning and 378.0 MB in the end (delta: 142.1 MB). Free memory was 195.8 MB in the beginning and 317.4 MB in the end (delta: -121.6 MB). Peak memory consumption was 246.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:19,935 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 140.0 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.13 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 101.7 MB in the beginning and 174.9 MB in the end (delta: -73.1 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.98 ms. Allocated memory is still 205.0 MB. Free memory was 174.9 MB in the beginning and 170.3 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1143.76 ms. Allocated memory was 205.0 MB in the beginning and 235.9 MB in the end (delta: 30.9 MB). Free memory was 170.3 MB in the beginning and 195.8 MB in the end (delta: -25.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13165.25 ms. Allocated memory was 235.9 MB in the beginning and 378.0 MB in the end (delta: 142.1 MB). Free memory was 195.8 MB in the beginning and 317.4 MB in the end (delta: -121.6 MB). Peak memory consumption was 246.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 567]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 843]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 229 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.1s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1506 SDtfs, 1127 SDslu, 2577 SDs, 0 SdLazy, 1523 SolverSat, 513 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 983 GetRequests, 924 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=392occurred 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: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 144 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 584 PreInvPairs, 648 NumberOfFragments, 1451 HoareAnnotationTreeSize, 584 FomulaSimplifications, 1307 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 54 FomulaSimplificationsInter, 5249 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 836 NumberOfCodeBlocks, 836 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 961 ConstructedInterpolants, 0 QuantifiedInterpolants, 173083 SizeOfPredicates, 26 NumberOfNonLiveVariables, 7600 ConjunctsInSsa, 85 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 87/105 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...