/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 15:43:35,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 15:43:35,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 15:43:35,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 15:43:35,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 15:43:35,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 15:43:35,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 15:43:35,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 15:43:35,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 15:43:35,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 15:43:35,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 15:43:35,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 15:43:35,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 15:43:35,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 15:43:35,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 15:43:35,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 15:43:35,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 15:43:35,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 15:43:35,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 15:43:35,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 15:43:35,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 15:43:35,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 15:43:35,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 15:43:35,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 15:43:35,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 15:43:35,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 15:43:35,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 15:43:35,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 15:43:35,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 15:43:35,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 15:43:35,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 15:43:35,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 15:43:35,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 15:43:35,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 15:43:35,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 15:43:35,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 15:43:35,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 15:43:35,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 15:43:35,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 15:43:35,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 15:43:35,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 15:43:35,563 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 15:43:35,578 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 15:43:35,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 15:43:35,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 15:43:35,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 15:43:35,580 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 15:43:35,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 15:43:35,580 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 15:43:35,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 15:43:35,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 15:43:35,581 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 15:43:35,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 15:43:35,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 15:43:35,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 15:43:35,584 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 15:43:35,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 15:43:35,584 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 15:43:35,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 15:43:35,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 15:43:35,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 15:43:35,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 15:43:35,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 15:43:35,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:43:35,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 15:43:35,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 15:43:35,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 15:43:35,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 15:43:35,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:35,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 15:43:35,588 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 15:43:35,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 15:43:35,860 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 15:43:35,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 15:43:35,881 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 15:43:35,883 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 15:43:35,883 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 15:43:35,885 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-07-21 15:43:35,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b99c0755/6869df4692d740ba840004642fc31b0a/FLAGc14117ff5 [2020-07-21 15:43:36,398 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 15:43:36,399 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2020-07-21 15:43:36,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b99c0755/6869df4692d740ba840004642fc31b0a/FLAGc14117ff5 [2020-07-21 15:43:36,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b99c0755/6869df4692d740ba840004642fc31b0a [2020-07-21 15:43:36,786 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 15:43:36,789 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 15:43:36,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 15:43:36,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 15:43:36,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 15:43:36,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:43:36" (1/1) ... [2020-07-21 15:43:36,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec6e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:36, skipping insertion in model container [2020-07-21 15:43:36,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 03:43:36" (1/1) ... [2020-07-21 15:43:36,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 15:43:36,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 15:43:37,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:43:37,383 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 15:43:37,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 15:43:37,568 INFO L208 MainTranslator]: Completed translation [2020-07-21 15:43:37,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:37 WrapperNode [2020-07-21 15:43:37,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 15:43:37,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 15:43:37,570 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 15:43:37,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 15:43:37,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:37" (1/1) ... [2020-07-21 15:43:37,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:37" (1/1) ... [2020-07-21 15:43:37,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:37" (1/1) ... [2020-07-21 15:43:37,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:37" (1/1) ... [2020-07-21 15:43:37,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:37" (1/1) ... [2020-07-21 15:43:37,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:37" (1/1) ... [2020-07-21 15:43:37,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:37" (1/1) ... [2020-07-21 15:43:37,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 15:43:37,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 15:43:37,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 15:43:37,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 15:43:37,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 15:43:37,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 15:43:37,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 15:43:37,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 15:43:37,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 15:43:37,774 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 15:43:37,775 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 15:43:37,775 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 15:43:37,775 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 15:43:37,775 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 15:43:37,775 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 15:43:37,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 15:43:37,776 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 15:43:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 15:43:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 15:43:37,777 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 15:43:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 15:43:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 15:43:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 15:43:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 15:43:37,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 15:43:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 15:43:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 15:43:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 15:43:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 15:43:37,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 15:43:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 15:43:37,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 15:43:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 15:43:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 15:43:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 15:43:37,781 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 15:43:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 15:43:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 15:43:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:43:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 15:43:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 15:43:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 15:43:37,782 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 15:43:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 15:43:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 15:43:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 15:43:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 15:43:37,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 15:43:37,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 15:43:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 15:43:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 15:43:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 15:43:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 15:43:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 15:43:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 15:43:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 15:43:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 15:43:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 15:43:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 15:43:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 15:43:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 15:43:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 15:43:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 15:43:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 15:43:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 15:43:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 15:43:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 15:43:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 15:43:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 15:43:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 15:43:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 15:43:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 15:43:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 15:43:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 15:43:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 15:43:37,788 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 15:43:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 15:43:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 15:43:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 15:43:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 15:43:37,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 15:43:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 15:43:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 15:43:37,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 15:43:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 15:43:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 15:43:37,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 15:43:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 15:43:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 15:43:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 15:43:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 15:43:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 15:43:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 15:43:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 15:43:37,794 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 15:43:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 15:43:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 15:43:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 15:43:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 15:43:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 15:43:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 15:43:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 15:43:37,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 15:43:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 15:43:37,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 15:43:38,843 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 15:43:38,843 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 15:43:38,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:43:38 BoogieIcfgContainer [2020-07-21 15:43:38,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 15:43:38,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 15:43:38,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 15:43:38,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 15:43:38,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 03:43:36" (1/3) ... [2020-07-21 15:43:38,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f73e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:43:38, skipping insertion in model container [2020-07-21 15:43:38,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 03:43:37" (2/3) ... [2020-07-21 15:43:38,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74f73e93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:43:38, skipping insertion in model container [2020-07-21 15:43:38,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:43:38" (3/3) ... [2020-07-21 15:43:38,861 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2020-07-21 15:43:38,872 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 15:43:38,883 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 15:43:38,899 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 15:43:38,935 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 15:43:38,936 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 15:43:38,936 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 15:43:38,937 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 15:43:38,937 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 15:43:38,937 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 15:43:38,938 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 15:43:38,939 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 15:43:38,969 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states. [2020-07-21 15:43:38,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 15:43:38,986 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:38,987 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:38,988 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:38,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:38,995 INFO L82 PathProgramCache]: Analyzing trace with hash 479094946, now seen corresponding path program 1 times [2020-07-21 15:43:39,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:39,007 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1217516016] [2020-07-21 15:43:39,011 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:39,418 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:39,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:39,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 15:43:39,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:39,466 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 15:43:39,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:39,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1217516016] [2020-07-21 15:43:39,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:39,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 15:43:39,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60846357] [2020-07-21 15:43:39,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 15:43:39,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:39,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 15:43:39,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:43:39,493 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 2 states. [2020-07-21 15:43:39,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:39,540 INFO L93 Difference]: Finished difference Result 302 states and 369 transitions. [2020-07-21 15:43:39,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 15:43:39,542 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 15:43:39,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:39,558 INFO L225 Difference]: With dead ends: 302 [2020-07-21 15:43:39,559 INFO L226 Difference]: Without dead ends: 153 [2020-07-21 15:43:39,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 15:43:39,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-21 15:43:39,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-07-21 15:43:39,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-21 15:43:39,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 178 transitions. [2020-07-21 15:43:39,654 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 178 transitions. Word has length 59 [2020-07-21 15:43:39,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:39,655 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 178 transitions. [2020-07-21 15:43:39,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 15:43:39,655 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 178 transitions. [2020-07-21 15:43:39,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 15:43:39,660 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:39,661 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:39,867 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:39,867 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:39,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:39,869 INFO L82 PathProgramCache]: Analyzing trace with hash -259634487, now seen corresponding path program 1 times [2020-07-21 15:43:39,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:39,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [596564704] [2020-07-21 15:43:39,870 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:40,208 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:40,209 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:40,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:43:40,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:40,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:40,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [596564704] [2020-07-21 15:43:40,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:40,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:40,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14173162] [2020-07-21 15:43:40,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:40,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:40,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:40,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:40,269 INFO L87 Difference]: Start difference. First operand 153 states and 178 transitions. Second operand 3 states. [2020-07-21 15:43:40,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:40,303 INFO L93 Difference]: Finished difference Result 278 states and 331 transitions. [2020-07-21 15:43:40,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:40,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 15:43:40,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:40,307 INFO L225 Difference]: With dead ends: 278 [2020-07-21 15:43:40,307 INFO L226 Difference]: Without dead ends: 153 [2020-07-21 15:43:40,309 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:40,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-07-21 15:43:40,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-07-21 15:43:40,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-07-21 15:43:40,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 177 transitions. [2020-07-21 15:43:40,327 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 177 transitions. Word has length 60 [2020-07-21 15:43:40,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:40,329 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 177 transitions. [2020-07-21 15:43:40,329 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:40,330 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 177 transitions. [2020-07-21 15:43:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-07-21 15:43:40,333 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:40,334 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] [2020-07-21 15:43:40,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:40,547 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:40,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:40,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1745445590, now seen corresponding path program 1 times [2020-07-21 15:43:40,549 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:40,549 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1275273667] [2020-07-21 15:43:40,550 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:40,876 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:40,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:40,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 721 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 15:43:40,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:40,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:40,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:40,944 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1275273667] [2020-07-21 15:43:40,944 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:40,944 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-21 15:43:40,945 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420054653] [2020-07-21 15:43:40,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 15:43:40,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:40,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 15:43:40,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:43:40,946 INFO L87 Difference]: Start difference. First operand 153 states and 177 transitions. Second operand 7 states. [2020-07-21 15:43:41,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:41,877 INFO L93 Difference]: Finished difference Result 384 states and 492 transitions. [2020-07-21 15:43:41,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-21 15:43:41,878 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2020-07-21 15:43:41,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:41,882 INFO L225 Difference]: With dead ends: 384 [2020-07-21 15:43:41,883 INFO L226 Difference]: Without dead ends: 259 [2020-07-21 15:43:41,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-21 15:43:41,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-07-21 15:43:41,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 230. [2020-07-21 15:43:41,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-07-21 15:43:41,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 279 transitions. [2020-07-21 15:43:41,916 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 279 transitions. Word has length 77 [2020-07-21 15:43:41,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:41,917 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 279 transitions. [2020-07-21 15:43:41,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 15:43:41,917 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 279 transitions. [2020-07-21 15:43:41,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-21 15:43:41,921 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:41,921 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:42,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:42,132 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:42,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:42,133 INFO L82 PathProgramCache]: Analyzing trace with hash 534241489, now seen corresponding path program 1 times [2020-07-21 15:43:42,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:42,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1966589606] [2020-07-21 15:43:42,134 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:42,401 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:43:42,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:42,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 15:43:42,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:42,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 15:43:42,439 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:42,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1966589606] [2020-07-21 15:43:42,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:42,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:42,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603630571] [2020-07-21 15:43:42,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:42,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:42,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:42,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:42,442 INFO L87 Difference]: Start difference. First operand 230 states and 279 transitions. Second operand 3 states. [2020-07-21 15:43:42,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:42,460 INFO L93 Difference]: Finished difference Result 378 states and 444 transitions. [2020-07-21 15:43:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:42,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-07-21 15:43:42,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:42,464 INFO L225 Difference]: With dead ends: 378 [2020-07-21 15:43:42,464 INFO L226 Difference]: Without dead ends: 212 [2020-07-21 15:43:42,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:42,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-07-21 15:43:42,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-07-21 15:43:42,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-07-21 15:43:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 247 transitions. [2020-07-21 15:43:42,488 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 247 transitions. Word has length 103 [2020-07-21 15:43:42,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:42,488 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 247 transitions. [2020-07-21 15:43:42,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 247 transitions. [2020-07-21 15:43:42,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-21 15:43:42,491 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:42,491 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:42,705 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:42,706 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:42,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:42,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1230791863, now seen corresponding path program 1 times [2020-07-21 15:43:42,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:42,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1602268510] [2020-07-21 15:43:42,708 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:42,988 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:42,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:42,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 15:43:42,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:43,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:43,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:43,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1602268510] [2020-07-21 15:43:43,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:43,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 15:43:43,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992116386] [2020-07-21 15:43:43,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 15:43:43,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:43,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 15:43:43,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 15:43:43,037 INFO L87 Difference]: Start difference. First operand 212 states and 247 transitions. Second operand 6 states. [2020-07-21 15:43:43,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:43,080 INFO L93 Difference]: Finished difference Result 403 states and 487 transitions. [2020-07-21 15:43:43,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 15:43:43,081 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2020-07-21 15:43:43,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:43,083 INFO L225 Difference]: With dead ends: 403 [2020-07-21 15:43:43,083 INFO L226 Difference]: Without dead ends: 219 [2020-07-21 15:43:43,085 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 15:43:43,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-07-21 15:43:43,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 217. [2020-07-21 15:43:43,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-07-21 15:43:43,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 252 transitions. [2020-07-21 15:43:43,103 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 252 transitions. Word has length 107 [2020-07-21 15:43:43,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:43,104 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 252 transitions. [2020-07-21 15:43:43,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 15:43:43,104 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 252 transitions. [2020-07-21 15:43:43,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-21 15:43:43,106 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:43,107 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:43,321 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:43,322 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:43,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:43,323 INFO L82 PathProgramCache]: Analyzing trace with hash 697480839, now seen corresponding path program 1 times [2020-07-21 15:43:43,324 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:43,324 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [34956061] [2020-07-21 15:43:43,325 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:43,525 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 15:43:43,525 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:43,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 15:43:43,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:43,567 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:43,568 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:43,568 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [34956061] [2020-07-21 15:43:43,568 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:43,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 15:43:43,569 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955409031] [2020-07-21 15:43:43,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 15:43:43,570 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:43,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 15:43:43,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:43:43,570 INFO L87 Difference]: Start difference. First operand 217 states and 252 transitions. Second operand 5 states. [2020-07-21 15:43:43,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:43,593 INFO L93 Difference]: Finished difference Result 413 states and 497 transitions. [2020-07-21 15:43:43,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 15:43:43,593 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-07-21 15:43:43,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:43,595 INFO L225 Difference]: With dead ends: 413 [2020-07-21 15:43:43,595 INFO L226 Difference]: Without dead ends: 224 [2020-07-21 15:43:43,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 15:43:43,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-07-21 15:43:43,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 221. [2020-07-21 15:43:43,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-07-21 15:43:43,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 256 transitions. [2020-07-21 15:43:43,612 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 256 transitions. Word has length 107 [2020-07-21 15:43:43,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:43,612 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 256 transitions. [2020-07-21 15:43:43,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 15:43:43,612 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 256 transitions. [2020-07-21 15:43:43,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-21 15:43:43,614 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:43,614 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:43,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:43,829 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:43,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:43,830 INFO L82 PathProgramCache]: Analyzing trace with hash 456940710, now seen corresponding path program 1 times [2020-07-21 15:43:43,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:43,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095423645] [2020-07-21 15:43:43,832 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:44,142 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:44,142 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:44,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 15:43:44,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:44,188 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:44,189 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:44,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095423645] [2020-07-21 15:43:44,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:44,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 15:43:44,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606638953] [2020-07-21 15:43:44,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 15:43:44,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:44,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 15:43:44,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:44,193 INFO L87 Difference]: Start difference. First operand 221 states and 256 transitions. Second operand 3 states. [2020-07-21 15:43:44,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:44,284 INFO L93 Difference]: Finished difference Result 562 states and 692 transitions. [2020-07-21 15:43:44,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 15:43:44,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-07-21 15:43:44,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:44,289 INFO L225 Difference]: With dead ends: 562 [2020-07-21 15:43:44,289 INFO L226 Difference]: Without dead ends: 369 [2020-07-21 15:43:44,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 15:43:44,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-07-21 15:43:44,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 366. [2020-07-21 15:43:44,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-07-21 15:43:44,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 440 transitions. [2020-07-21 15:43:44,315 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 440 transitions. Word has length 107 [2020-07-21 15:43:44,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:44,316 INFO L479 AbstractCegarLoop]: Abstraction has 366 states and 440 transitions. [2020-07-21 15:43:44,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 15:43:44,316 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 440 transitions. [2020-07-21 15:43:44,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-21 15:43:44,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:44,319 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:44,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:44,533 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:44,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:44,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1562894580, now seen corresponding path program 1 times [2020-07-21 15:43:44,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:44,534 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546368564] [2020-07-21 15:43:44,534 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:44,809 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:44,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:44,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 15:43:44,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:44,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:44,933 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 15:43:44,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [546368564] [2020-07-21 15:43:44,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 15:43:44,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 15:43:44,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586911741] [2020-07-21 15:43:44,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 15:43:44,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:44,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 15:43:44,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 15:43:44,936 INFO L87 Difference]: Start difference. First operand 366 states and 440 transitions. Second operand 10 states. [2020-07-21 15:43:46,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:46,255 INFO L93 Difference]: Finished difference Result 984 states and 1351 transitions. [2020-07-21 15:43:46,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-21 15:43:46,255 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-07-21 15:43:46,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:46,266 INFO L225 Difference]: With dead ends: 984 [2020-07-21 15:43:46,266 INFO L226 Difference]: Without dead ends: 646 [2020-07-21 15:43:46,271 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2020-07-21 15:43:46,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2020-07-21 15:43:46,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 485. [2020-07-21 15:43:46,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2020-07-21 15:43:46,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 590 transitions. [2020-07-21 15:43:46,323 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 590 transitions. Word has length 111 [2020-07-21 15:43:46,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:46,325 INFO L479 AbstractCegarLoop]: Abstraction has 485 states and 590 transitions. [2020-07-21 15:43:46,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 15:43:46,325 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 590 transitions. [2020-07-21 15:43:46,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-21 15:43:46,330 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 15:43:46,331 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 15:43:46,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:46,545 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 15:43:46,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 15:43:46,546 INFO L82 PathProgramCache]: Analyzing trace with hash 903450751, now seen corresponding path program 1 times [2020-07-21 15:43:46,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 15:43:46,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [66015794] [2020-07-21 15:43:46,547 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:46,796 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 15:43:46,796 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 15:43:46,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 15:43:46,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 15:43:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 15:43:46,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 15:43:47,318 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-21 15:43:47,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [66015794] [2020-07-21 15:43:47,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 15:43:47,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 15:43:47,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227833450] [2020-07-21 15:43:47,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 15:43:47,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 15:43:47,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 15:43:47,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 15:43:47,321 INFO L87 Difference]: Start difference. First operand 485 states and 590 transitions. Second operand 10 states. [2020-07-21 15:43:48,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 15:43:48,166 INFO L93 Difference]: Finished difference Result 1033 states and 1276 transitions. [2020-07-21 15:43:48,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 15:43:48,194 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172 [2020-07-21 15:43:48,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 15:43:48,195 INFO L225 Difference]: With dead ends: 1033 [2020-07-21 15:43:48,195 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 15:43:48,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 331 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-21 15:43:48,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 15:43:48,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 15:43:48,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 15:43:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 15:43:48,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2020-07-21 15:43:48,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 15:43:48,200 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 15:43:48,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 15:43:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 15:43:48,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 15:43:48,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 15:43:48,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 15:43:49,836 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-07-21 15:43:50,470 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-07-21 15:43:50,850 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-07-21 15:43:51,064 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-07-21 15:43:51,756 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 36 [2020-07-21 15:43:52,215 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2020-07-21 15:43:52,596 INFO L268 CegarLoopResult]: For program point L382(lines 382 386) no Hoare annotation was computed. [2020-07-21 15:43:52,596 INFO L268 CegarLoopResult]: For program point L382-1(lines 382 386) no Hoare annotation was computed. [2020-07-21 15:43:52,596 INFO L268 CegarLoopResult]: For program point L377(line 377) no Hoare annotation was computed. [2020-07-21 15:43:52,596 INFO L268 CegarLoopResult]: For program point L376-2(lines 376 397) no Hoare annotation was computed. [2020-07-21 15:43:52,596 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 351 406) no Hoare annotation was computed. [2020-07-21 15:43:52,596 INFO L268 CegarLoopResult]: For program point L398(lines 375 399) no Hoare annotation was computed. [2020-07-21 15:43:52,596 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 351 406) no Hoare annotation was computed. [2020-07-21 15:43:52,597 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 351 406) no Hoare annotation was computed. [2020-07-21 15:43:52,597 INFO L268 CegarLoopResult]: For program point L439(lines 439 443) no Hoare annotation was computed. [2020-07-21 15:43:52,597 INFO L268 CegarLoopResult]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2020-07-21 15:43:52,597 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 407 466) no Hoare annotation was computed. [2020-07-21 15:43:52,597 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-21 15:43:52,597 INFO L268 CegarLoopResult]: For program point L433-2(lines 433 458) no Hoare annotation was computed. [2020-07-21 15:43:52,597 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 407 466) no Hoare annotation was computed. [2020-07-21 15:43:52,597 INFO L268 CegarLoopResult]: For program point L459(lines 432 460) no Hoare annotation was computed. [2020-07-21 15:43:52,597 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 407 466) no Hoare annotation was computed. [2020-07-21 15:43:52,598 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-21 15:43:52,598 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-07-21 15:43:52,598 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2020-07-21 15:43:52,598 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2020-07-21 15:43:52,599 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2020-07-21 15:43:52,599 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2020-07-21 15:43:52,599 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2020-07-21 15:43:52,599 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 667 674) the Hoare annotation is: true [2020-07-21 15:43:52,599 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 667 674) no Hoare annotation was computed. [2020-07-21 15:43:52,600 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 667 674) no Hoare annotation was computed. [2020-07-21 15:43:52,600 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 675 684) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2)))) (and (or (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse1 (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-21 15:43:52,600 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 675 684) no Hoare annotation was computed. [2020-07-21 15:43:52,600 INFO L268 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-07-21 15:43:52,600 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 675 684) no Hoare annotation was computed. [2020-07-21 15:43:52,600 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-21 15:43:52,601 INFO L268 CegarLoopResult]: For program point L698(lines 698 704) no Hoare annotation was computed. [2020-07-21 15:43:52,601 INFO L268 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-07-21 15:43:52,601 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 15:43:52,601 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-07-21 15:43:52,601 INFO L268 CegarLoopResult]: For program point L693(lines 693 710) no Hoare annotation was computed. [2020-07-21 15:43:52,601 INFO L268 CegarLoopResult]: For program point L693-1(lines 685 713) no Hoare annotation was computed. [2020-07-21 15:43:52,601 INFO L271 CegarLoopResult]: At program point L691(line 691) the Hoare annotation is: true [2020-07-21 15:43:52,602 INFO L268 CegarLoopResult]: For program point L691-1(line 691) no Hoare annotation was computed. [2020-07-21 15:43:52,602 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 685 713) the Hoare annotation is: true [2020-07-21 15:43:52,602 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 685 713) no Hoare annotation was computed. [2020-07-21 15:43:52,602 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 166 188) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:52,602 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 166 188) no Hoare annotation was computed. [2020-07-21 15:43:52,602 INFO L264 CegarLoopResult]: At program point L178(line 178) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:52,602 INFO L264 CegarLoopResult]: At program point L178-1(line 178) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:52,603 INFO L268 CegarLoopResult]: For program point L176(lines 176 183) no Hoare annotation was computed. [2020-07-21 15:43:52,603 INFO L268 CegarLoopResult]: For program point L176-1(lines 176 183) no Hoare annotation was computed. [2020-07-21 15:43:52,603 INFO L268 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-07-21 15:43:52,603 INFO L264 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:52,603 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 166 188) no Hoare annotation was computed. [2020-07-21 15:43:52,603 INFO L264 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:52,604 INFO L264 CegarLoopResult]: At program point L172-1(line 172) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:52,604 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-21 15:43:52,604 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-21 15:43:52,604 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 122 145) no Hoare annotation was computed. [2020-07-21 15:43:52,604 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-21 15:43:52,604 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 122 145) no Hoare annotation was computed. [2020-07-21 15:43:52,604 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 122 145) no Hoare annotation was computed. [2020-07-21 15:43:52,604 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-07-21 15:43:52,605 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-07-21 15:43:52,605 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-07-21 15:43:52,605 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-07-21 15:43:52,605 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-07-21 15:43:52,605 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-07-21 15:43:52,605 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-07-21 15:43:52,605 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-07-21 15:43:52,605 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-07-21 15:43:52,606 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-07-21 15:43:52,606 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 15:43:52,606 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 916 924) no Hoare annotation was computed. [2020-07-21 15:43:52,606 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 916 924) the Hoare annotation is: true [2020-07-21 15:43:52,606 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 916 924) no Hoare annotation was computed. [2020-07-21 15:43:52,606 INFO L268 CegarLoopResult]: For program point L989(lines 989 993) no Hoare annotation was computed. [2020-07-21 15:43:52,606 INFO L271 CegarLoopResult]: At program point L987(line 987) the Hoare annotation is: true [2020-07-21 15:43:52,607 INFO L268 CegarLoopResult]: For program point L989-2(lines 989 993) no Hoare annotation was computed. [2020-07-21 15:43:52,607 INFO L268 CegarLoopResult]: For program point L987-1(line 987) no Hoare annotation was computed. [2020-07-21 15:43:52,607 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 980 998) the Hoare annotation is: true [2020-07-21 15:43:52,607 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 980 998) no Hoare annotation was computed. [2020-07-21 15:43:52,607 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 980 998) no Hoare annotation was computed. [2020-07-21 15:43:52,607 INFO L268 CegarLoopResult]: For program point L955(line 955) no Hoare annotation was computed. [2020-07-21 15:43:52,607 INFO L268 CegarLoopResult]: For program point L955-1(line 955) no Hoare annotation was computed. [2020-07-21 15:43:52,607 INFO L268 CegarLoopResult]: For program point L944(lines 944 952) no Hoare annotation was computed. [2020-07-21 15:43:52,608 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 925 960) no Hoare annotation was computed. [2020-07-21 15:43:52,608 INFO L268 CegarLoopResult]: For program point L944-2(lines 944 952) no Hoare annotation was computed. [2020-07-21 15:43:52,608 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 925 960) no Hoare annotation was computed. [2020-07-21 15:43:52,608 INFO L268 CegarLoopResult]: For program point L932(lines 932 940) no Hoare annotation was computed. [2020-07-21 15:43:52,608 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 925 960) no Hoare annotation was computed. [2020-07-21 15:43:52,608 INFO L268 CegarLoopResult]: For program point L932-2(lines 932 940) no Hoare annotation was computed. [2020-07-21 15:43:52,608 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2020-07-21 15:43:52,608 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2020-07-21 15:43:52,609 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 305 350) no Hoare annotation was computed. [2020-07-21 15:43:52,609 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 305 350) no Hoare annotation was computed. [2020-07-21 15:43:52,609 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 305 350) no Hoare annotation was computed. [2020-07-21 15:43:52,609 INFO L268 CegarLoopResult]: For program point L638(lines 638 645) no Hoare annotation was computed. [2020-07-21 15:43:52,609 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 618 663) no Hoare annotation was computed. [2020-07-21 15:43:52,609 INFO L268 CegarLoopResult]: For program point L632(lines 632 652) no Hoare annotation was computed. [2020-07-21 15:43:52,609 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 652) no Hoare annotation was computed. [2020-07-21 15:43:52,609 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 618 663) no Hoare annotation was computed. [2020-07-21 15:43:52,609 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 618 663) no Hoare annotation was computed. [2020-07-21 15:43:52,610 INFO L264 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:52,610 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 155 165) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:52,610 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 155 165) no Hoare annotation was computed. [2020-07-21 15:43:52,610 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 155 165) no Hoare annotation was computed. [2020-07-21 15:43:52,610 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 905 915) the Hoare annotation is: true [2020-07-21 15:43:52,610 INFO L271 CegarLoopResult]: At program point L910(line 910) the Hoare annotation is: true [2020-07-21 15:43:52,611 INFO L268 CegarLoopResult]: For program point L910-1(line 910) no Hoare annotation was computed. [2020-07-21 15:43:52,611 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 905 915) no Hoare annotation was computed. [2020-07-21 15:43:52,611 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 905 915) no Hoare annotation was computed. [2020-07-21 15:43:52,611 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 897 904) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-21 15:43:52,611 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 897 904) no Hoare annotation was computed. [2020-07-21 15:43:52,611 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 897 904) no Hoare annotation was computed. [2020-07-21 15:43:52,611 INFO L268 CegarLoopResult]: For program point L279(lines 279 285) no Hoare annotation was computed. [2020-07-21 15:43:52,611 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 275 288) no Hoare annotation was computed. [2020-07-21 15:43:52,612 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 275 288) the Hoare annotation is: true [2020-07-21 15:43:52,612 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 275 288) no Hoare annotation was computed. [2020-07-21 15:43:52,612 INFO L264 CegarLoopResult]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:52,612 INFO L268 CegarLoopResult]: For program point L865-1(lines 846 870) no Hoare annotation was computed. [2020-07-21 15:43:52,612 INFO L264 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:52,612 INFO L264 CegarLoopResult]: At program point L856(line 856) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:52,613 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 846 870) no Hoare annotation was computed. [2020-07-21 15:43:52,613 INFO L268 CegarLoopResult]: For program point L854(lines 854 862) no Hoare annotation was computed. [2020-07-21 15:43:52,613 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:52,613 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 846 870) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:52,613 INFO L268 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-07-21 15:43:52,613 INFO L268 CegarLoopResult]: For program point L850(lines 850 867) no Hoare annotation was computed. [2020-07-21 15:43:52,614 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 812 818) no Hoare annotation was computed. [2020-07-21 15:43:52,614 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 812 818) the Hoare annotation is: true [2020-07-21 15:43:52,614 INFO L264 CegarLoopResult]: At program point L737(line 737) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-21 15:43:52,614 INFO L264 CegarLoopResult]: At program point L768(lines 725 770) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-21 15:43:52,614 INFO L264 CegarLoopResult]: At program point testENTRY(lines 715 778) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0))) [2020-07-21 15:43:52,614 INFO L268 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2020-07-21 15:43:52,615 INFO L268 CegarLoopResult]: For program point L735-1(lines 735 741) no Hoare annotation was computed. [2020-07-21 15:43:52,615 INFO L268 CegarLoopResult]: For program point L727(lines 727 731) no Hoare annotation was computed. [2020-07-21 15:43:52,615 INFO L268 CegarLoopResult]: For program point testFINAL(lines 715 778) no Hoare annotation was computed. [2020-07-21 15:43:52,615 INFO L264 CegarLoopResult]: At program point L771(lines 724 772) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 15:43:52,615 INFO L268 CegarLoopResult]: For program point L761(lines 761 765) no Hoare annotation was computed. [2020-07-21 15:43:52,615 INFO L264 CegarLoopResult]: At program point L761-2(lines 755 766) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-21 15:43:52,615 INFO L268 CegarLoopResult]: For program point L726(lines 725 770) no Hoare annotation was computed. [2020-07-21 15:43:52,615 INFO L268 CegarLoopResult]: For program point L755(lines 755 766) no Hoare annotation was computed. [2020-07-21 15:43:52,616 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (<= 1 ~systemActive~0)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2))) [2020-07-21 15:43:52,616 INFO L268 CegarLoopResult]: For program point L745(lines 745 751) no Hoare annotation was computed. [2020-07-21 15:43:52,616 INFO L268 CegarLoopResult]: For program point L745-1(lines 745 751) no Hoare annotation was computed. [2020-07-21 15:43:52,616 INFO L268 CegarLoopResult]: For program point testEXIT(lines 715 778) no Hoare annotation was computed. [2020-07-21 15:43:52,616 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 572 617) no Hoare annotation was computed. [2020-07-21 15:43:52,616 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 572 617) no Hoare annotation was computed. [2020-07-21 15:43:52,616 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 572 617) no Hoare annotation was computed. [2020-07-21 15:43:52,617 INFO L268 CegarLoopResult]: For program point L592(lines 592 599) no Hoare annotation was computed. [2020-07-21 15:43:52,617 INFO L268 CegarLoopResult]: For program point L586(lines 586 606) no Hoare annotation was computed. [2020-07-21 15:43:52,617 INFO L268 CegarLoopResult]: For program point L586-1(lines 586 606) no Hoare annotation was computed. [2020-07-21 15:43:52,617 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 871 878) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 15:43:52,617 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 871 878) no Hoare annotation was computed. [2020-07-21 15:43:52,617 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 871 878) no Hoare annotation was computed. [2020-07-21 15:43:52,617 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 289 297) no Hoare annotation was computed. [2020-07-21 15:43:52,617 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 289 297) the Hoare annotation is: true [2020-07-21 15:43:52,618 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 289 297) no Hoare annotation was computed. [2020-07-21 15:43:52,618 INFO L268 CegarLoopResult]: For program point L251(lines 251 259) no Hoare annotation was computed. [2020-07-21 15:43:52,618 INFO L268 CegarLoopResult]: For program point L251-2(lines 251 259) no Hoare annotation was computed. [2020-07-21 15:43:52,618 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 243 265) no Hoare annotation was computed. [2020-07-21 15:43:52,618 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 243 265) no Hoare annotation was computed. [2020-07-21 15:43:52,618 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 243 265) no Hoare annotation was computed. [2020-07-21 15:43:52,618 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2020-07-21 15:43:52,619 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2020-07-21 15:43:52,619 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2020-07-21 15:43:52,619 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 469 571) no Hoare annotation was computed. [2020-07-21 15:43:52,619 INFO L268 CegarLoopResult]: For program point L539(lines 517 540) no Hoare annotation was computed. [2020-07-21 15:43:52,619 INFO L268 CegarLoopResult]: For program point L498(lines 498 514) no Hoare annotation was computed. [2020-07-21 15:43:52,619 INFO L268 CegarLoopResult]: For program point L558(lines 558 565) no Hoare annotation was computed. [2020-07-21 15:43:52,619 INFO L268 CegarLoopResult]: For program point L519(lines 518 538) no Hoare annotation was computed. [2020-07-21 15:43:52,619 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-21 15:43:52,620 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 469 571) no Hoare annotation was computed. [2020-07-21 15:43:52,620 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-07-21 15:43:52,620 INFO L268 CegarLoopResult]: For program point L515(lines 515 556) no Hoare annotation was computed. [2020-07-21 15:43:52,620 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-07-21 15:43:52,620 INFO L268 CegarLoopResult]: For program point L534-1(line 534) no Hoare annotation was computed. [2020-07-21 15:43:52,620 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 469 571) no Hoare annotation was computed. [2020-07-21 15:43:52,620 INFO L268 CegarLoopResult]: For program point L493(lines 493 497) no Hoare annotation was computed. [2020-07-21 15:43:52,620 INFO L268 CegarLoopResult]: For program point L557(lines 557 568) no Hoare annotation was computed. [2020-07-21 15:43:52,621 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-07-21 15:43:52,621 INFO L268 CegarLoopResult]: For program point L518-2(lines 518 538) no Hoare annotation was computed. [2020-07-21 15:43:52,621 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:52,621 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2020-07-21 15:43:52,621 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:52,621 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 880 896) no Hoare annotation was computed. [2020-07-21 15:43:52,621 INFO L264 CegarLoopResult]: At program point L891(line 891) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 15:43:52,621 INFO L268 CegarLoopResult]: For program point L891-1(lines 880 896) no Hoare annotation was computed. [2020-07-21 15:43:52,622 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 880 896) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 15:43:52,622 INFO L268 CegarLoopResult]: For program point L887(lines 887 893) no Hoare annotation was computed. [2020-07-21 15:43:52,622 INFO L264 CegarLoopResult]: At program point L885(line 885) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-21 15:43:52,622 INFO L268 CegarLoopResult]: For program point L885-1(line 885) no Hoare annotation was computed. [2020-07-21 15:43:52,622 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 266 274) the Hoare annotation is: true [2020-07-21 15:43:52,622 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 266 274) no Hoare annotation was computed. [2020-07-21 15:43:52,622 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 266 274) no Hoare annotation was computed. [2020-07-21 15:43:52,623 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 961 979) no Hoare annotation was computed. [2020-07-21 15:43:52,623 INFO L268 CegarLoopResult]: For program point L970(lines 970 974) no Hoare annotation was computed. [2020-07-21 15:43:52,623 INFO L271 CegarLoopResult]: At program point L968(line 968) the Hoare annotation is: true [2020-07-21 15:43:52,623 INFO L268 CegarLoopResult]: For program point L970-2(lines 970 974) no Hoare annotation was computed. [2020-07-21 15:43:52,623 INFO L268 CegarLoopResult]: For program point L968-1(line 968) no Hoare annotation was computed. [2020-07-21 15:43:52,623 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 961 979) the Hoare annotation is: true [2020-07-21 15:43:52,623 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 961 979) no Hoare annotation was computed. [2020-07-21 15:43:52,624 INFO L268 CegarLoopResult]: For program point L226-1(lines 222 233) no Hoare annotation was computed. [2020-07-21 15:43:52,624 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 222 233) the Hoare annotation is: true [2020-07-21 15:43:52,624 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 222 233) no Hoare annotation was computed. [2020-07-21 15:43:52,624 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:52,624 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 15:43:52,624 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:52,624 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (let ((.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (and .cse4 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse5 .cse6 .cse2) (or .cse0 .cse5 .cse6 .cse2 .cse3)))) [2020-07-21 15:43:52,625 INFO L264 CegarLoopResult]: At program point L799(lines 799 805) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse11 (<= ~waterLevel~0 1)) (.cse10 (<= 1 ~pumpRunning~0))) (let ((.cse4 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse11 .cse10)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0) .cse11)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse2 .cse3)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse4 .cse5 .cse6 .cse7 .cse8) (let ((.cse9 (<= 2 ~waterLevel~0))) (or .cse0 (and .cse9 .cse2 .cse3) .cse1 (and .cse9 .cse2 .cse10) .cse7 .cse8))))) [2020-07-21 15:43:52,625 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (not (<= |old(~waterLevel~0)| 1)) (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse0 .cse4) (or .cse0 .cse4 (and .cse2 (<= 2 ~waterLevel~0) .cse3 (<= ~waterLevel~0 2)) .cse1 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 15:43:52,625 INFO L268 CegarLoopResult]: For program point L792(lines 788 810) no Hoare annotation was computed. [2020-07-21 15:43:52,625 INFO L268 CegarLoopResult]: For program point L790(lines 788 810) no Hoare annotation was computed. [2020-07-21 15:43:52,625 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 785 811) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (and .cse5 (= 0 ~pumpRunning~0))) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse5 .cse6) .cse0 .cse7 .cse3) (or .cse0 (and .cse1 .cse6 (<= ~waterLevel~0 2)) .cse7 .cse3 .cse4) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse2 .cse3 (<= 1 ~switchedOnBeforeTS~0)))) [2020-07-21 15:43:52,626 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 785 811) no Hoare annotation was computed. [2020-07-21 15:43:52,626 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 785 811) no Hoare annotation was computed. [2020-07-21 15:43:52,626 INFO L271 CegarLoopResult]: At program point L99-2(lines 99 113) the Hoare annotation is: true [2020-07-21 15:43:52,626 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 89 118) no Hoare annotation was computed. [2020-07-21 15:43:52,626 INFO L271 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: true [2020-07-21 15:43:52,626 INFO L268 CegarLoopResult]: For program point L95-1(line 95) no Hoare annotation was computed. [2020-07-21 15:43:52,626 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 89 118) the Hoare annotation is: true [2020-07-21 15:43:52,627 INFO L271 CegarLoopResult]: At program point L114(lines 89 118) the Hoare annotation is: true [2020-07-21 15:43:52,627 INFO L268 CegarLoopResult]: For program point L110(line 110) no Hoare annotation was computed. [2020-07-21 15:43:52,627 INFO L268 CegarLoopResult]: For program point L103(lines 103 107) no Hoare annotation was computed. [2020-07-21 15:43:52,627 INFO L271 CegarLoopResult]: At program point L103-1(lines 103 107) the Hoare annotation is: true [2020-07-21 15:43:52,627 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-07-21 15:43:52,627 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 234 242) the Hoare annotation is: true [2020-07-21 15:43:52,627 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 234 242) no Hoare annotation was computed. [2020-07-21 15:43:52,627 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 234 242) no Hoare annotation was computed. [2020-07-21 15:43:52,628 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 198 209) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse2 (not (<= 1 ~pumpRunning~0)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse1 .cse2) (or .cse0 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2)) (not (<= |old(~waterLevel~0)| 2)) .cse1 .cse2 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 15:43:52,628 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 198 209) no Hoare annotation was computed. [2020-07-21 15:43:52,628 INFO L268 CegarLoopResult]: For program point L202-1(lines 198 209) no Hoare annotation was computed. [2020-07-21 15:43:52,628 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 146 152) no Hoare annotation was computed. [2020-07-21 15:43:52,628 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 146 152) the Hoare annotation is: true [2020-07-21 15:43:52,628 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 15:43:52,628 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 15:43:52,628 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 15:43:52,629 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 15:43:52,629 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 820 844) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:52,629 INFO L264 CegarLoopResult]: At program point L830(line 830) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:52,629 INFO L268 CegarLoopResult]: For program point L828(lines 828 836) no Hoare annotation was computed. [2020-07-21 15:43:52,629 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 820 844) no Hoare annotation was computed. [2020-07-21 15:43:52,629 INFO L264 CegarLoopResult]: At program point L826(line 826) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 15:43:52,630 INFO L268 CegarLoopResult]: For program point L826-1(line 826) no Hoare annotation was computed. [2020-07-21 15:43:52,630 INFO L268 CegarLoopResult]: For program point L824(lines 824 841) no Hoare annotation was computed. [2020-07-21 15:43:52,630 INFO L264 CegarLoopResult]: At program point L839(line 839) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:52,630 INFO L268 CegarLoopResult]: For program point L839-1(lines 820 844) no Hoare annotation was computed. [2020-07-21 15:43:52,630 INFO L264 CegarLoopResult]: At program point L834(line 834) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 15:43:52,630 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 210 221) no Hoare annotation was computed. [2020-07-21 15:43:52,630 INFO L268 CegarLoopResult]: For program point L214-1(lines 210 221) no Hoare annotation was computed. [2020-07-21 15:43:52,631 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 210 221) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse7) (or .cse0 .cse1 .cse2 .cse7 .cse4) (or .cse5 .cse0 .cse6 .cse3))) [2020-07-21 15:43:52,631 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-07-21 15:43:52,631 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-07-21 15:43:52,631 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-07-21 15:43:52,631 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-07-21 15:43:52,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 03:43:52 BoogieIcfgContainer [2020-07-21 15:43:52,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 15:43:52,651 INFO L168 Benchmark]: Toolchain (without parser) took 15863.20 ms. Allocated memory was 140.0 MB in the beginning and 385.9 MB in the end (delta: 245.9 MB). Free memory was 102.4 MB in the beginning and 197.5 MB in the end (delta: -95.1 MB). Peak memory consumption was 259.3 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:52,652 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 140.0 MB. Free memory was 121.3 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 15:43:52,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 779.28 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 102.0 MB in the beginning and 171.0 MB in the end (delta: -69.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:52,653 INFO L168 Benchmark]: Boogie Preprocessor took 97.66 ms. Allocated memory is still 204.5 MB. Free memory was 171.0 MB in the beginning and 166.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:52,654 INFO L168 Benchmark]: RCFGBuilder took 1183.03 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 166.9 MB in the beginning and 191.2 MB in the end (delta: -24.3 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:52,655 INFO L168 Benchmark]: TraceAbstraction took 13795.82 ms. Allocated memory was 235.9 MB in the beginning and 385.9 MB in the end (delta: 149.9 MB). Free memory was 191.2 MB in the beginning and 197.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 252.2 MB. Max. memory is 7.1 GB. [2020-07-21 15:43:52,659 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 140.0 MB. Free memory was 121.3 MB in the beginning and 121.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 779.28 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 102.0 MB in the beginning and 171.0 MB in the end (delta: -69.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.66 ms. Allocated memory is still 204.5 MB. Free memory was 171.0 MB in the beginning and 166.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1183.03 ms. Allocated memory was 204.5 MB in the beginning and 235.9 MB in the end (delta: 31.5 MB). Free memory was 166.9 MB in the beginning and 191.2 MB in the end (delta: -24.3 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 13795.82 ms. Allocated memory was 235.9 MB in the beginning and 385.9 MB in the end (delta: 149.9 MB). Free memory was 191.2 MB in the beginning and 197.5 MB in the end (delta: -6.3 MB). Peak memory consumption was 252.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 724]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= systemActive) - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(1 <= systemActive)) || (((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || ((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0)) || (((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.4s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1721 SDtfs, 1105 SDslu, 2980 SDs, 0 SdLazy, 2032 SolverSat, 419 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1092 GetRequests, 1031 SyntacticMatches, 6 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=485occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 198 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1039 PreInvPairs, 1116 NumberOfFragments, 1588 HoareAnnotationTreeSize, 1039 FomulaSimplifications, 1648 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 67 FomulaSimplificationsInter, 6416 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 903 NumberOfCodeBlocks, 799 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1065 ConstructedInterpolants, 0 QuantifiedInterpolants, 239899 SizeOfPredicates, 23 NumberOfNonLiveVariables, 6845 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 86/108 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...