/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_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:54:01,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:54:01,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:54:01,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:54:01,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:54:01,466 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:54:01,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:54:01,469 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:54:01,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:54:01,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:54:01,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:54:01,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:54:01,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:54:01,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:54:01,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:54:01,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:54:01,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:54:01,478 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:54:01,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:54:01,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:54:01,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:54:01,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:54:01,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:54:01,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:54:01,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:54:01,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:54:01,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:54:01,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:54:01,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:54:01,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:54:01,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:54:01,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:54:01,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:54:01,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:54:01,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:54:01,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:54:01,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:54:01,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:54:01,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:54:01,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:54:01,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:54:01,512 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 12:54:01,538 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:54:01,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:54:01,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:54:01,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:54:01,541 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:54:01,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:54:01,542 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:54:01,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:54:01,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:54:01,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:54:01,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:54:01,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:54:01,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:54:01,544 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:54:01,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:54:01,544 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:54:01,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:54:01,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:54:01,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:54:01,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:54:01,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:54:01,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:54:01,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:54:01,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:54:01,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:54:01,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:54:01,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:01,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:54:01,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:54:01,547 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 12:54:01,860 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:54:01,873 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:54:01,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:54:01,880 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:54:01,881 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:54:01,882 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-07-21 12:54:01,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/853d640c3/8d55970b30c44d6aaae06504f5a6e50a/FLAG51d2de67a [2020-07-21 12:54:02,509 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:54:02,513 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-07-21 12:54:02,533 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/853d640c3/8d55970b30c44d6aaae06504f5a6e50a/FLAG51d2de67a [2020-07-21 12:54:02,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/853d640c3/8d55970b30c44d6aaae06504f5a6e50a [2020-07-21 12:54:02,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:54:02,785 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:54:02,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:02,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:54:02,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:54:02,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:02" (1/1) ... [2020-07-21 12:54:02,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ef5c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:02, skipping insertion in model container [2020-07-21 12:54:02,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:54:02" (1/1) ... [2020-07-21 12:54:02,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:54:02,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:54:03,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:03,231 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:54:03,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:54:03,500 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:54:03,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:03 WrapperNode [2020-07-21 12:54:03,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:54:03,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:54:03,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:54:03,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:54:03,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:03" (1/1) ... [2020-07-21 12:54:03,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:03" (1/1) ... [2020-07-21 12:54:03,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:03" (1/1) ... [2020-07-21 12:54:03,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:03" (1/1) ... [2020-07-21 12:54:03,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:03" (1/1) ... [2020-07-21 12:54:03,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:03" (1/1) ... [2020-07-21 12:54:03,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:03" (1/1) ... [2020-07-21 12:54:03,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:54:03,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:54:03,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:54:03,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:54:03,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:03" (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 12:54:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:54:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:54:03,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:54:03,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:54:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:54:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:54:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:54:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:54:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:54:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:54:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:54:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:54:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:54:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:54:03,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 12:54:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:54:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:54:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:54:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:54:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:54:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:54:03,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:54:03,677 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:54:03,677 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:54:03,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:54:03,677 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:54:03,677 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:54:03,678 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:54:03,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:54:03,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:54:03,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:54:03,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 12:54:03,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:03,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:03,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:54:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:54:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:54:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:54:03,679 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:54:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:54:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:54:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:54:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:54:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:54:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:54:03,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:54:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:54:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:54:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:54:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:54:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:54:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:54:03,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:54:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:54:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:54:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:54:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:54:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:54:03,682 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:54:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:54:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:54:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:54:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 12:54:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:54:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:54:03,683 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:54:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:54:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 12:54:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 12:54:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:54:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:54:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 12:54:03,684 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:54:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:54:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:54:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:54:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:54:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:54:03,685 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:54:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 12:54:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:54:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:54:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:54:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:54:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:54:03,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:54:03,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:54:04,847 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:54:04,847 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:54:04,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:04 BoogieIcfgContainer [2020-07-21 12:54:04,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:54:04,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:54:04,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:54:04,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:54:04,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:54:02" (1/3) ... [2020-07-21 12:54:04,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16870dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:04, skipping insertion in model container [2020-07-21 12:54:04,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:54:03" (2/3) ... [2020-07-21 12:54:04,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16870dc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:54:04, skipping insertion in model container [2020-07-21 12:54:04,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:54:04" (3/3) ... [2020-07-21 12:54:04,860 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2020-07-21 12:54:04,870 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:54:04,878 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:54:04,892 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:54:04,918 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:54:04,918 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:54:04,918 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:54:04,918 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:54:04,919 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:54:04,919 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:54:04,919 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:54:04,919 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:54:04,942 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2020-07-21 12:54:04,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 12:54:04,952 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:04,953 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 12:54:04,953 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:04,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:04,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1965832149, now seen corresponding path program 1 times [2020-07-21 12:54:04,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:04,968 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329709416] [2020-07-21 12:54:04,969 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 12:54:05,412 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:05,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:05,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:54:05,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:05,465 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 12:54:05,465 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:05,467 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329709416] [2020-07-21 12:54:05,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:05,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:54:05,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971826311] [2020-07-21 12:54:05,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:54:05,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:05,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:54:05,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:54:05,498 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2020-07-21 12:54:05,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:05,544 INFO L93 Difference]: Finished difference Result 226 states and 283 transitions. [2020-07-21 12:54:05,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:54:05,546 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 12:54:05,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:05,560 INFO L225 Difference]: With dead ends: 226 [2020-07-21 12:54:05,560 INFO L226 Difference]: Without dead ends: 115 [2020-07-21 12:54:05,565 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 12:54:05,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-21 12:54:05,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-07-21 12:54:05,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-21 12:54:05,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-07-21 12:54:05,621 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 59 [2020-07-21 12:54:05,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:05,622 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-07-21 12:54:05,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:54:05,622 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-07-21 12:54:05,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 12:54:05,626 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:05,627 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:05,840 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:05,841 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:05,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:05,841 INFO L82 PathProgramCache]: Analyzing trace with hash 1650494658, now seen corresponding path program 1 times [2020-07-21 12:54:05,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:05,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1326032940] [2020-07-21 12:54:05,842 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 12:54:06,172 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:06,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:06,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:54:06,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:06,219 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 12:54:06,219 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:06,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1326032940] [2020-07-21 12:54:06,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:06,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:06,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218062252] [2020-07-21 12:54:06,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:06,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:06,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:06,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:06,223 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 3 states. [2020-07-21 12:54:06,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:06,255 INFO L93 Difference]: Finished difference Result 202 states and 245 transitions. [2020-07-21 12:54:06,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:06,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-21 12:54:06,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:06,258 INFO L225 Difference]: With dead ends: 202 [2020-07-21 12:54:06,259 INFO L226 Difference]: Without dead ends: 115 [2020-07-21 12:54:06,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:06,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-21 12:54:06,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-07-21 12:54:06,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-21 12:54:06,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-07-21 12:54:06,277 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 64 [2020-07-21 12:54:06,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:06,279 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-07-21 12:54:06,279 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:06,279 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-07-21 12:54:06,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-21 12:54:06,282 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:06,282 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] [2020-07-21 12:54:06,495 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:06,496 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:06,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:06,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1464836383, now seen corresponding path program 1 times [2020-07-21 12:54:06,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:06,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1033205497] [2020-07-21 12:54:06,499 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 12:54:06,830 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:06,830 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:06,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-21 12:54:06,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:06,906 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 12:54:06,906 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:06,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1033205497] [2020-07-21 12:54:06,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:06,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:06,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820450946] [2020-07-21 12:54:06,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:06,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:06,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:06,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:06,910 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 6 states. [2020-07-21 12:54:07,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:07,521 INFO L93 Difference]: Finished difference Result 276 states and 340 transitions. [2020-07-21 12:54:07,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:54:07,522 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2020-07-21 12:54:07,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:07,525 INFO L225 Difference]: With dead ends: 276 [2020-07-21 12:54:07,525 INFO L226 Difference]: Without dead ends: 189 [2020-07-21 12:54:07,527 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 68 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 12:54:07,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-07-21 12:54:07,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 180. [2020-07-21 12:54:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-07-21 12:54:07,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 212 transitions. [2020-07-21 12:54:07,553 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 212 transitions. Word has length 72 [2020-07-21 12:54:07,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:07,554 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 212 transitions. [2020-07-21 12:54:07,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:07,554 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 212 transitions. [2020-07-21 12:54:07,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-07-21 12:54:07,556 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:07,557 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] [2020-07-21 12:54:07,769 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:07,770 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:07,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:07,771 INFO L82 PathProgramCache]: Analyzing trace with hash 402114491, now seen corresponding path program 1 times [2020-07-21 12:54:07,772 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:07,772 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1791003605] [2020-07-21 12:54:07,773 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 12:54:08,149 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:08,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:08,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:08,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:08,211 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 12:54:08,212 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:08,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1791003605] [2020-07-21 12:54:08,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:08,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:08,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546153492] [2020-07-21 12:54:08,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:08,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:08,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:08,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:08,214 INFO L87 Difference]: Start difference. First operand 180 states and 212 transitions. Second operand 6 states. [2020-07-21 12:54:08,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:08,449 INFO L93 Difference]: Finished difference Result 335 states and 403 transitions. [2020-07-21 12:54:08,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 12:54:08,455 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 86 [2020-07-21 12:54:08,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:08,458 INFO L225 Difference]: With dead ends: 335 [2020-07-21 12:54:08,458 INFO L226 Difference]: Without dead ends: 183 [2020-07-21 12:54:08,461 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 81 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 12:54:08,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-07-21 12:54:08,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 179. [2020-07-21 12:54:08,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2020-07-21 12:54:08,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 209 transitions. [2020-07-21 12:54:08,503 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 209 transitions. Word has length 86 [2020-07-21 12:54:08,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:08,507 INFO L479 AbstractCegarLoop]: Abstraction has 179 states and 209 transitions. [2020-07-21 12:54:08,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:08,507 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 209 transitions. [2020-07-21 12:54:08,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-07-21 12:54:08,509 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:08,509 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] [2020-07-21 12:54:08,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:08,725 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:08,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:08,726 INFO L82 PathProgramCache]: Analyzing trace with hash -363269934, now seen corresponding path program 1 times [2020-07-21 12:54:08,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:08,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994214544] [2020-07-21 12:54:08,727 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 12:54:09,014 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:09,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:09,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:54:09,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:09,043 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 12:54:09,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:09,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994214544] [2020-07-21 12:54:09,044 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:09,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:09,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450743032] [2020-07-21 12:54:09,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:09,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:09,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:09,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:09,046 INFO L87 Difference]: Start difference. First operand 179 states and 209 transitions. Second operand 3 states. [2020-07-21 12:54:09,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:09,057 INFO L93 Difference]: Finished difference Result 276 states and 313 transitions. [2020-07-21 12:54:09,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:09,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-07-21 12:54:09,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:09,060 INFO L225 Difference]: With dead ends: 276 [2020-07-21 12:54:09,060 INFO L226 Difference]: Without dead ends: 161 [2020-07-21 12:54:09,061 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 81 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 12:54:09,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-07-21 12:54:09,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2020-07-21 12:54:09,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-07-21 12:54:09,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 183 transitions. [2020-07-21 12:54:09,081 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 183 transitions. Word has length 83 [2020-07-21 12:54:09,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:09,081 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 183 transitions. [2020-07-21 12:54:09,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:09,082 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 183 transitions. [2020-07-21 12:54:09,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-21 12:54:09,083 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:09,084 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 12:54:09,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:09,297 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:09,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:09,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1072290173, now seen corresponding path program 1 times [2020-07-21 12:54:09,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:09,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731473792] [2020-07-21 12:54:09,299 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 12:54:09,584 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:09,585 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:09,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:54:09,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:09,635 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 12:54:09,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:09,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1731473792] [2020-07-21 12:54:09,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:09,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:54:09,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492485331] [2020-07-21 12:54:09,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:54:09,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:09,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:54:09,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:54:09,639 INFO L87 Difference]: Start difference. First operand 161 states and 183 transitions. Second operand 6 states. [2020-07-21 12:54:09,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:09,677 INFO L93 Difference]: Finished difference Result 234 states and 268 transitions. [2020-07-21 12:54:09,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:54:09,681 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2020-07-21 12:54:09,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:09,683 INFO L225 Difference]: With dead ends: 234 [2020-07-21 12:54:09,684 INFO L226 Difference]: Without dead ends: 166 [2020-07-21 12:54:09,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 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 12:54:09,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2020-07-21 12:54:09,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2020-07-21 12:54:09,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-07-21 12:54:09,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 188 transitions. [2020-07-21 12:54:09,719 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 188 transitions. Word has length 87 [2020-07-21 12:54:09,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:09,720 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 188 transitions. [2020-07-21 12:54:09,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:54:09,720 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 188 transitions. [2020-07-21 12:54:09,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-21 12:54:09,725 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:09,725 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 12:54:09,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:09,927 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:09,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:09,927 INFO L82 PathProgramCache]: Analyzing trace with hash 313913221, now seen corresponding path program 1 times [2020-07-21 12:54:09,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:09,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [650152994] [2020-07-21 12:54:09,929 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 12:54:10,275 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:10,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:10,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 12:54:10,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:10,326 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 12:54:10,330 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:10,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [650152994] [2020-07-21 12:54:10,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:10,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 12:54:10,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783563277] [2020-07-21 12:54:10,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 12:54:10,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:10,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 12:54:10,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 12:54:10,334 INFO L87 Difference]: Start difference. First operand 166 states and 188 transitions. Second operand 5 states. [2020-07-21 12:54:10,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:10,365 INFO L93 Difference]: Finished difference Result 311 states and 361 transitions. [2020-07-21 12:54:10,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 12:54:10,365 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 87 [2020-07-21 12:54:10,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:10,367 INFO L225 Difference]: With dead ends: 311 [2020-07-21 12:54:10,370 INFO L226 Difference]: Without dead ends: 173 [2020-07-21 12:54:10,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 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 12:54:10,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-07-21 12:54:10,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2020-07-21 12:54:10,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-07-21 12:54:10,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 192 transitions. [2020-07-21 12:54:10,398 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 192 transitions. Word has length 87 [2020-07-21 12:54:10,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:10,398 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 192 transitions. [2020-07-21 12:54:10,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 12:54:10,399 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 192 transitions. [2020-07-21 12:54:10,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-21 12:54:10,400 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:10,401 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:54:10,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:10,616 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:10,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:10,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1869763706, now seen corresponding path program 1 times [2020-07-21 12:54:10,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:10,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [108607276] [2020-07-21 12:54:10,619 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 12:54:10,860 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:10,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:10,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 12:54:10,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:10,886 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 12:54:10,887 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:10,887 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [108607276] [2020-07-21 12:54:10,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:10,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:54:10,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822829365] [2020-07-21 12:54:10,888 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:54:10,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:10,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:54:10,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:54:10,889 INFO L87 Difference]: Start difference. First operand 170 states and 192 transitions. Second operand 3 states. [2020-07-21 12:54:10,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:10,919 INFO L93 Difference]: Finished difference Result 428 states and 508 transitions. [2020-07-21 12:54:10,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:54:10,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-07-21 12:54:10,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:10,923 INFO L225 Difference]: With dead ends: 428 [2020-07-21 12:54:10,924 INFO L226 Difference]: Without dead ends: 286 [2020-07-21 12:54:10,924 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 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 12:54:10,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-21 12:54:10,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 283. [2020-07-21 12:54:10,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-07-21 12:54:10,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 330 transitions. [2020-07-21 12:54:10,945 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 330 transitions. Word has length 87 [2020-07-21 12:54:10,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:10,945 INFO L479 AbstractCegarLoop]: Abstraction has 283 states and 330 transitions. [2020-07-21 12:54:10,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:54:10,945 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 330 transitions. [2020-07-21 12:54:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-21 12:54:10,947 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:10,947 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] [2020-07-21 12:54:11,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:11,161 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:11,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:11,161 INFO L82 PathProgramCache]: Analyzing trace with hash -1799982100, now seen corresponding path program 1 times [2020-07-21 12:54:11,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:11,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945564222] [2020-07-21 12:54:11,162 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 12:54:11,408 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:11,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:11,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 12:54:11,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:11,522 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 12:54:11,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:54:11,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945564222] [2020-07-21 12:54:11,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:54:11,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 12:54:11,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302557686] [2020-07-21 12:54:11,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:11,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:11,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:11,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:11,524 INFO L87 Difference]: Start difference. First operand 283 states and 330 transitions. Second operand 10 states. [2020-07-21 12:54:12,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:12,717 INFO L93 Difference]: Finished difference Result 740 states and 959 transitions. [2020-07-21 12:54:12,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 12:54:12,718 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2020-07-21 12:54:12,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:12,724 INFO L225 Difference]: With dead ends: 740 [2020-07-21 12:54:12,724 INFO L226 Difference]: Without dead ends: 485 [2020-07-21 12:54:12,726 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 82 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 12:54:12,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2020-07-21 12:54:12,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 364. [2020-07-21 12:54:12,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-07-21 12:54:12,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 428 transitions. [2020-07-21 12:54:12,761 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 428 transitions. Word has length 91 [2020-07-21 12:54:12,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:12,762 INFO L479 AbstractCegarLoop]: Abstraction has 364 states and 428 transitions. [2020-07-21 12:54:12,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:12,762 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 428 transitions. [2020-07-21 12:54:12,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-07-21 12:54:12,765 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:54:12,765 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:54:12,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:12,978 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:54:12,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:54:12,979 INFO L82 PathProgramCache]: Analyzing trace with hash 476527769, now seen corresponding path program 1 times [2020-07-21 12:54:12,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:54:12,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [963391703] [2020-07-21 12:54:12,980 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 12:54:13,349 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:54:13,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:54:13,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:54:13,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:54:13,419 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:54:13,420 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 12:54:13,701 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 12:54:13,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [963391703] [2020-07-21 12:54:13,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 12:54:13,702 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 12:54:13,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446495992] [2020-07-21 12:54:13,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 12:54:13,703 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:54:13,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 12:54:13,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 12:54:13,704 INFO L87 Difference]: Start difference. First operand 364 states and 428 transitions. Second operand 10 states. [2020-07-21 12:54:14,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:54:14,294 INFO L93 Difference]: Finished difference Result 404 states and 483 transitions. [2020-07-21 12:54:14,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-21 12:54:14,294 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 134 [2020-07-21 12:54:14,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:54:14,295 INFO L225 Difference]: With dead ends: 404 [2020-07-21 12:54:14,295 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:54:14,297 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 255 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 12:54:14,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:54:14,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:54:14,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:54:14,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:54:14,298 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2020-07-21 12:54:14,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:54:14,298 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:54:14,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 12:54:14,298 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:54:14,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:54:14,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:54:14,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:54:15,318 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2020-07-21 12:54:15,468 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2020-07-21 12:54:15,708 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-21 12:54:15,980 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-21 12:54:16,368 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-07-21 12:54:16,638 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 31 [2020-07-21 12:54:17,059 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2020-07-21 12:54:17,493 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-07-21 12:54:17,840 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 39 [2020-07-21 12:54:18,016 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-21 12:54:18,016 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-21 12:54:18,017 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 12:54:18,017 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-21 12:54:18,017 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-21 12:54:18,017 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-21 12:54:18,017 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-21 12:54:18,017 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-21 12:54:18,017 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 12:54:18,017 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-21 12:54:18,017 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-21 12:54:18,018 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-21 12:54:18,018 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-21 12:54:18,018 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 12:54:18,018 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-21 12:54:18,018 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-21 12:54:18,018 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-21 12:54:18,019 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-21 12:54:18,019 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 661 667) the Hoare annotation is: true [2020-07-21 12:54:18,019 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 661 667) no Hoare annotation was computed. [2020-07-21 12:54:18,019 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 668 676) no Hoare annotation was computed. [2020-07-21 12:54:18,019 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 668 676) the Hoare annotation is: true [2020-07-21 12:54:18,019 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 668 676) no Hoare annotation was computed. [2020-07-21 12:54:18,019 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 881 888) the Hoare annotation is: true [2020-07-21 12:54:18,020 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 881 888) no Hoare annotation was computed. [2020-07-21 12:54:18,020 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 881 888) no Hoare annotation was computed. [2020-07-21 12:54:18,020 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 889 898) 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 12:54:18,020 INFO L268 CegarLoopResult]: For program point L894(line 894) no Hoare annotation was computed. [2020-07-21 12:54:18,020 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 889 898) no Hoare annotation was computed. [2020-07-21 12:54:18,020 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 889 898) no Hoare annotation was computed. [2020-07-21 12:54:18,020 INFO L264 CegarLoopResult]: At program point L914(line 914) 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 12:54:18,020 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 899 927) the Hoare annotation is: true [2020-07-21 12:54:18,021 INFO L268 CegarLoopResult]: For program point L912(lines 912 918) no Hoare annotation was computed. [2020-07-21 12:54:18,021 INFO L268 CegarLoopResult]: For program point L911(lines 911 921) no Hoare annotation was computed. [2020-07-21 12:54:18,021 INFO L264 CegarLoopResult]: At program point L909(line 909) 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 12:54:18,021 INFO L268 CegarLoopResult]: For program point L909-1(line 909) no Hoare annotation was computed. [2020-07-21 12:54:18,021 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 899 927) no Hoare annotation was computed. [2020-07-21 12:54:18,021 INFO L268 CegarLoopResult]: For program point L907(lines 907 924) no Hoare annotation was computed. [2020-07-21 12:54:18,021 INFO L268 CegarLoopResult]: For program point L907-1(lines 899 927) no Hoare annotation was computed. [2020-07-21 12:54:18,022 INFO L271 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: true [2020-07-21 12:54:18,022 INFO L268 CegarLoopResult]: For program point L905-1(line 905) no Hoare annotation was computed. [2020-07-21 12:54:18,022 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 752 774) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:18,022 INFO L264 CegarLoopResult]: At program point L764(line 764) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:18,022 INFO L264 CegarLoopResult]: At program point L764-1(line 764) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:18,022 INFO L268 CegarLoopResult]: For program point L762(lines 762 769) no Hoare annotation was computed. [2020-07-21 12:54:18,022 INFO L268 CegarLoopResult]: For program point L762-1(lines 762 769) no Hoare annotation was computed. [2020-07-21 12:54:18,023 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 752 774) no Hoare annotation was computed. [2020-07-21 12:54:18,023 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-21 12:54:18,023 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:18,023 INFO L264 CegarLoopResult]: At program point L758(line 758) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:18,023 INFO L264 CegarLoopResult]: At program point L758-1(line 758) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:18,023 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 752 774) no Hoare annotation was computed. [2020-07-21 12:54:18,023 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 709 732) no Hoare annotation was computed. [2020-07-21 12:54:18,024 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 709 732) no Hoare annotation was computed. [2020-07-21 12:54:18,024 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 709 732) no Hoare annotation was computed. [2020-07-21 12:54:18,024 INFO L268 CegarLoopResult]: For program point L727(line 727) no Hoare annotation was computed. [2020-07-21 12:54:18,024 INFO L268 CegarLoopResult]: For program point L726(line 726) no Hoare annotation was computed. [2020-07-21 12:54:18,024 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-07-21 12:54:18,024 INFO L268 CegarLoopResult]: For program point L724(line 724) no Hoare annotation was computed. [2020-07-21 12:54:18,024 INFO L268 CegarLoopResult]: For program point L723(line 723) no Hoare annotation was computed. [2020-07-21 12:54:18,024 INFO L268 CegarLoopResult]: For program point L722(line 722) no Hoare annotation was computed. [2020-07-21 12:54:18,025 INFO L268 CegarLoopResult]: For program point L721(line 721) no Hoare annotation was computed. [2020-07-21 12:54:18,025 INFO L268 CegarLoopResult]: For program point L720(line 720) no Hoare annotation was computed. [2020-07-21 12:54:18,025 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-07-21 12:54:18,025 INFO L268 CegarLoopResult]: For program point L718(line 718) no Hoare annotation was computed. [2020-07-21 12:54:18,025 INFO L268 CegarLoopResult]: For program point L717(line 717) no Hoare annotation was computed. [2020-07-21 12:54:18,025 INFO L268 CegarLoopResult]: For program point L716(line 716) no Hoare annotation was computed. [2020-07-21 12:54:18,025 INFO L268 CegarLoopResult]: For program point L715(line 715) no Hoare annotation was computed. [2020-07-21 12:54:18,025 INFO L268 CegarLoopResult]: For program point L714(line 714) no Hoare annotation was computed. [2020-07-21 12:54:18,025 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 575 583) no Hoare annotation was computed. [2020-07-21 12:54:18,026 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 575 583) the Hoare annotation is: true [2020-07-21 12:54:18,026 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 575 583) no Hoare annotation was computed. [2020-07-21 12:54:18,026 INFO L268 CegarLoopResult]: For program point L603(lines 603 611) no Hoare annotation was computed. [2020-07-21 12:54:18,026 INFO L268 CegarLoopResult]: For program point L603-2(lines 603 611) no Hoare annotation was computed. [2020-07-21 12:54:18,026 INFO L268 CegarLoopResult]: For program point L591(lines 591 599) no Hoare annotation was computed. [2020-07-21 12:54:18,026 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 584 619) no Hoare annotation was computed. [2020-07-21 12:54:18,026 INFO L268 CegarLoopResult]: For program point L591-2(lines 591 599) no Hoare annotation was computed. [2020-07-21 12:54:18,026 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 584 619) no Hoare annotation was computed. [2020-07-21 12:54:18,027 INFO L268 CegarLoopResult]: For program point L614(line 614) no Hoare annotation was computed. [2020-07-21 12:54:18,027 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-21 12:54:18,027 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 584 619) no Hoare annotation was computed. [2020-07-21 12:54:18,027 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 654 660) no Hoare annotation was computed. [2020-07-21 12:54:18,027 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 654 660) the Hoare annotation is: true [2020-07-21 12:54:18,027 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-21 12:54:18,027 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-21 12:54:18,027 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-21 12:54:18,027 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-21 12:54:18,028 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-21 12:54:18,028 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-21 12:54:18,028 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-21 12:54:18,028 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-21 12:54:18,028 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-21 12:54:18,028 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 741 751) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:18,028 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 741 751) no Hoare annotation was computed. [2020-07-21 12:54:18,028 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:18,029 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 741 751) no Hoare annotation was computed. [2020-07-21 12:54:18,029 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 564 574) no Hoare annotation was computed. [2020-07-21 12:54:18,029 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 564 574) no Hoare annotation was computed. [2020-07-21 12:54:18,029 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-21 12:54:18,029 INFO L268 CegarLoopResult]: For program point L569-1(line 569) no Hoare annotation was computed. [2020-07-21 12:54:18,029 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 564 574) no Hoare annotation was computed. [2020-07-21 12:54:18,029 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 556 563) no Hoare annotation was computed. [2020-07-21 12:54:18,029 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 556 563) no Hoare annotation was computed. [2020-07-21 12:54:18,030 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 556 563) no Hoare annotation was computed. [2020-07-21 12:54:18,030 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 865 878) no Hoare annotation was computed. [2020-07-21 12:54:18,030 INFO L268 CegarLoopResult]: For program point L869(lines 869 875) no Hoare annotation was computed. [2020-07-21 12:54:18,030 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 865 878) the Hoare annotation is: true [2020-07-21 12:54:18,030 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 865 878) no Hoare annotation was computed. [2020-07-21 12:54:18,030 INFO L264 CegarLoopResult]: At program point L542(line 542) 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 12:54:18,030 INFO L268 CegarLoopResult]: For program point L542-1(lines 523 547) no Hoare annotation was computed. [2020-07-21 12:54:18,030 INFO L264 CegarLoopResult]: At program point L537(line 537) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (and (= 0 processEnvironment_~tmp~4) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))))) [2020-07-21 12:54:18,031 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 523 547) no Hoare annotation was computed. [2020-07-21 12:54:18,031 INFO L264 CegarLoopResult]: At program point L533(line 533) 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 12:54:18,031 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 523 547) 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 12:54:18,031 INFO L268 CegarLoopResult]: For program point L531(lines 531 539) no Hoare annotation was computed. [2020-07-21 12:54:18,031 INFO L264 CegarLoopResult]: At program point L529(line 529) 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 12:54:18,031 INFO L268 CegarLoopResult]: For program point L529-1(line 529) no Hoare annotation was computed. [2020-07-21 12:54:18,032 INFO L268 CegarLoopResult]: For program point L527(lines 527 544) no Hoare annotation was computed. [2020-07-21 12:54:18,032 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 515 521) no Hoare annotation was computed. [2020-07-21 12:54:18,032 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 515 521) the Hoare annotation is: true [2020-07-21 12:54:18,032 INFO L264 CegarLoopResult]: At program point testENTRY(lines 410 473) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 12:54:18,032 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-21 12:54:18,032 INFO L268 CegarLoopResult]: For program point L440(lines 440 446) no Hoare annotation was computed. [2020-07-21 12:54:18,032 INFO L268 CegarLoopResult]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2020-07-21 12:54:18,033 INFO L268 CegarLoopResult]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2020-07-21 12:54:18,033 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-21 12:54:18,033 INFO L264 CegarLoopResult]: At program point L463(lines 420 465) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-21 12:54:18,033 INFO L268 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-07-21 12:54:18,033 INFO L268 CegarLoopResult]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2020-07-21 12:54:18,033 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-07-21 12:54:18,034 INFO L264 CegarLoopResult]: At program point L466(lines 419 467) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 12:54:18,034 INFO L268 CegarLoopResult]: For program point L456(lines 456 460) no Hoare annotation was computed. [2020-07-21 12:54:18,034 INFO L264 CegarLoopResult]: At program point L456-2(lines 450 461) the Hoare annotation is: (let ((.cse2 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= 1 ~systemActive~0)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1))) [2020-07-21 12:54:18,034 INFO L268 CegarLoopResult]: For program point L421(lines 420 465) no Hoare annotation was computed. [2020-07-21 12:54:18,034 INFO L268 CegarLoopResult]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2020-07-21 12:54:18,034 INFO L268 CegarLoopResult]: For program point L450(lines 450 461) no Hoare annotation was computed. [2020-07-21 12:54:18,034 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-21 12:54:18,035 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-21 12:54:18,035 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-21 12:54:18,035 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-21 12:54:18,035 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-21 12:54:18,035 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-21 12:54:18,035 INFO L268 CegarLoopResult]: For program point L841(lines 841 849) no Hoare annotation was computed. [2020-07-21 12:54:18,035 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 833 855) no Hoare annotation was computed. [2020-07-21 12:54:18,035 INFO L268 CegarLoopResult]: For program point L841-2(lines 841 849) no Hoare annotation was computed. [2020-07-21 12:54:18,036 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 833 855) no Hoare annotation was computed. [2020-07-21 12:54:18,036 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 833 855) no Hoare annotation was computed. [2020-07-21 12:54:18,036 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-21 12:54:18,036 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-21 12:54:18,036 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-21 12:54:18,036 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-21 12:54:18,036 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-21 12:54:18,037 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-21 12:54:18,037 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-21 12:54:18,037 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-21 12:54:18,037 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-21 12:54:18,037 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-21 12:54:18,037 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-21 12:54:18,037 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-21 12:54:18,037 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-21 12:54:18,038 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-21 12:54:18,038 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-21 12:54:18,038 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-21 12:54:18,038 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 644 653) no Hoare annotation was computed. [2020-07-21 12:54:18,038 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 644 653) no Hoare annotation was computed. [2020-07-21 12:54:18,038 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 644 653) no Hoare annotation was computed. [2020-07-21 12:54:18,038 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:18,038 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 12:54:18,039 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:18,039 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 548 555) no Hoare annotation was computed. [2020-07-21 12:54:18,039 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 548 555) no Hoare annotation was computed. [2020-07-21 12:54:18,039 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 548 555) 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 12:54:18,039 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 620 638) no Hoare annotation was computed. [2020-07-21 12:54:18,039 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 620 638) the Hoare annotation is: true [2020-07-21 12:54:18,039 INFO L268 CegarLoopResult]: For program point L629(lines 629 633) no Hoare annotation was computed. [2020-07-21 12:54:18,039 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 620 638) no Hoare annotation was computed. [2020-07-21 12:54:18,040 INFO L271 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: true [2020-07-21 12:54:18,040 INFO L268 CegarLoopResult]: For program point L629-2(lines 629 633) no Hoare annotation was computed. [2020-07-21 12:54:18,040 INFO L268 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-07-21 12:54:18,040 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 856 864) the Hoare annotation is: true [2020-07-21 12:54:18,040 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 856 864) no Hoare annotation was computed. [2020-07-21 12:54:18,040 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 856 864) no Hoare annotation was computed. [2020-07-21 12:54:18,040 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:18,040 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:54:18,041 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:18,041 INFO L268 CegarLoopResult]: For program point L816-1(lines 812 823) no Hoare annotation was computed. [2020-07-21 12:54:18,041 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 812 823) the Hoare annotation is: true [2020-07-21 12:54:18,041 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 812 823) no Hoare annotation was computed. [2020-07-21 12:54:18,041 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1))) (.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse2 .cse3) (or .cse1 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse6) (or .cse1 .cse4 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0)) .cse5)))) [2020-07-21 12:54:18,042 INFO L264 CegarLoopResult]: At program point L502(lines 502 508) 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 12:54:18,042 INFO L264 CegarLoopResult]: At program point L497(line 497) 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 12:54:18,042 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 488 514) 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 12:54:18,042 INFO L268 CegarLoopResult]: For program point L495(lines 491 513) no Hoare annotation was computed. [2020-07-21 12:54:18,042 INFO L268 CegarLoopResult]: For program point L493(lines 491 513) no Hoare annotation was computed. [2020-07-21 12:54:18,042 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 488 514) no Hoare annotation was computed. [2020-07-21 12:54:18,042 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 488 514) no Hoare annotation was computed. [2020-07-21 12:54:18,043 INFO L271 CegarLoopResult]: At program point L704(lines 679 708) the Hoare annotation is: true [2020-07-21 12:54:18,043 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 679 708) no Hoare annotation was computed. [2020-07-21 12:54:18,043 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 679 708) the Hoare annotation is: true [2020-07-21 12:54:18,043 INFO L268 CegarLoopResult]: For program point L700(line 700) no Hoare annotation was computed. [2020-07-21 12:54:18,043 INFO L268 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-07-21 12:54:18,043 INFO L271 CegarLoopResult]: At program point L693-1(lines 693 697) the Hoare annotation is: true [2020-07-21 12:54:18,043 INFO L268 CegarLoopResult]: For program point L690(line 690) no Hoare annotation was computed. [2020-07-21 12:54:18,043 INFO L271 CegarLoopResult]: At program point L689-2(lines 689 703) the Hoare annotation is: true [2020-07-21 12:54:18,044 INFO L271 CegarLoopResult]: At program point L685(line 685) the Hoare annotation is: true [2020-07-21 12:54:18,044 INFO L268 CegarLoopResult]: For program point L685-1(line 685) no Hoare annotation was computed. [2020-07-21 12:54:18,044 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 824 832) no Hoare annotation was computed. [2020-07-21 12:54:18,044 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 824 832) no Hoare annotation was computed. [2020-07-21 12:54:18,044 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 824 832) no Hoare annotation was computed. [2020-07-21 12:54:18,044 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 788 799) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 12:54:18,045 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 788 799) no Hoare annotation was computed. [2020-07-21 12:54:18,045 INFO L268 CegarLoopResult]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2020-07-21 12:54:18,045 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 733 739) no Hoare annotation was computed. [2020-07-21 12:54:18,045 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 733 739) the Hoare annotation is: true [2020-07-21 12:54:18,045 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:54:18,045 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 12:54:18,045 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:54:18,045 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:54:18,046 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 800 811) no Hoare annotation was computed. [2020-07-21 12:54:18,046 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 800 811) 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 12:54:18,046 INFO L268 CegarLoopResult]: For program point L804-1(lines 800 811) no Hoare annotation was computed. [2020-07-21 12:54:18,046 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 776 783) no Hoare annotation was computed. [2020-07-21 12:54:18,046 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2020-07-21 12:54:18,046 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 776 783) the Hoare annotation is: true [2020-07-21 12:54:18,046 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 776 783) no Hoare annotation was computed. [2020-07-21 12:54:18,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:54:18 BoogieIcfgContainer [2020-07-21 12:54:18,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:54:18,066 INFO L168 Benchmark]: Toolchain (without parser) took 15283.35 ms. Allocated memory was 137.9 MB in the beginning and 396.4 MB in the end (delta: 258.5 MB). Free memory was 102.0 MB in the beginning and 316.2 MB in the end (delta: -214.2 MB). Peak memory consumption was 240.9 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:18,067 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:54:18,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.29 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 101.6 MB in the beginning and 173.8 MB in the end (delta: -72.3 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:18,069 INFO L168 Benchmark]: Boogie Preprocessor took 92.26 ms. Allocated memory is still 203.4 MB. Free memory was 173.8 MB in the beginning and 169.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:18,070 INFO L168 Benchmark]: RCFGBuilder took 1258.06 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 169.6 MB in the beginning and 199.4 MB in the end (delta: -29.8 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:18,071 INFO L168 Benchmark]: TraceAbstraction took 13211.40 ms. Allocated memory was 234.4 MB in the beginning and 396.4 MB in the end (delta: 162.0 MB). Free memory was 199.4 MB in the beginning and 316.2 MB in the end (delta: -116.8 MB). Peak memory consumption was 241.8 MB. Max. memory is 7.1 GB. [2020-07-21 12:54:18,074 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.29 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 101.6 MB in the beginning and 173.8 MB in the end (delta: -72.3 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.26 ms. Allocated memory is still 203.4 MB. Free memory was 173.8 MB in the beginning and 169.6 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1258.06 ms. Allocated memory was 203.4 MB in the beginning and 234.4 MB in the end (delta: 30.9 MB). Free memory was 169.6 MB in the beginning and 199.4 MB in the end (delta: -29.8 MB). Peak memory consumption was 88.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13211.40 ms. Allocated memory was 234.4 MB in the beginning and 396.4 MB in the end (delta: 162.0 MB). Free memory was 199.4 MB in the beginning and 316.2 MB in the end (delta: -116.8 MB). Peak memory consumption was 241.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: 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: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || (((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(1 <= systemActive)) || !(0 == \old(pumpRunning))) || ((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0)) || (((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= pumpRunning) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 225 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1503 SDtfs, 1092 SDslu, 2503 SDs, 0 SdLazy, 1447 SolverSat, 445 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 995 GetRequests, 936 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=364occurred 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, 140 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 642 PreInvPairs, 703 NumberOfFragments, 1266 HoareAnnotationTreeSize, 642 FomulaSimplifications, 1000 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 52 FomulaSimplificationsInter, 4999 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 850 NumberOfCodeBlocks, 850 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 973 ConstructedInterpolants, 0 QuantifiedInterpolants, 172128 SizeOfPredicates, 23 NumberOfNonLiveVariables, 7479 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 85/103 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...