/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 NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:39:04,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:39:04,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:39:04,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:39:04,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:39:04,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:39:04,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:39:04,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:39:04,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:39:04,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:39:04,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:39:04,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:39:04,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:39:04,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:39:04,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:39:04,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:39:04,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:39:04,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:39:04,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:39:04,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:39:04,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:39:04,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:39:04,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:39:04,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:39:04,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:39:04,507 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:39:04,507 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:39:04,508 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:39:04,509 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:39:04,509 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:39:04,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:39:04,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:39:04,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:39:04,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:39:04,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:39:04,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:39:04,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:39:04,514 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:39:04,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:39:04,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:39:04,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:39:04,518 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 10:39:04,532 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:39:04,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:39:04,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:39:04,534 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:39:04,534 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:39:04,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:39:04,534 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:39:04,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:39:04,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:39:04,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:39:04,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:39:04,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:39:04,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:39:04,536 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:39:04,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:39:04,536 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:39:04,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:39:04,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:39:04,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:39:04,537 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:39:04,537 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:39:04,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:39:04,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:39:04,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:39:04,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:39:04,538 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:39:04,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:04,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:39:04,539 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:39:04,539 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 -> NOT_INCREMENTALLY [2020-07-21 10:39:04,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:39:04,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:39:04,883 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:39:04,885 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:39:04,885 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:39:04,886 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2020-07-21 10:39:04,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/446272649/f7056c78fe34463a9fe530fefd760974/FLAGa6f83ec62 [2020-07-21 10:39:05,572 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:39:05,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product59.cil.c [2020-07-21 10:39:05,597 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/446272649/f7056c78fe34463a9fe530fefd760974/FLAGa6f83ec62 [2020-07-21 10:39:05,813 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/446272649/f7056c78fe34463a9fe530fefd760974 [2020-07-21 10:39:05,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:39:05,825 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:39:05,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:39:05,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:39:05,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:39:05,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:39:05" (1/1) ... [2020-07-21 10:39:05,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b260048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:05, skipping insertion in model container [2020-07-21 10:39:05,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:39:05" (1/1) ... [2020-07-21 10:39:05,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:39:05,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:39:06,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:39:06,360 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:39:06,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:39:06,497 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:39:06,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06 WrapperNode [2020-07-21 10:39:06,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:39:06,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:39:06,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:39:06,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:39:06,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (1/1) ... [2020-07-21 10:39:06,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (1/1) ... [2020-07-21 10:39:06,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (1/1) ... [2020-07-21 10:39:06,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (1/1) ... [2020-07-21 10:39:06,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (1/1) ... [2020-07-21 10:39:06,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (1/1) ... [2020-07-21 10:39:06,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (1/1) ... [2020-07-21 10:39:06,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:39:06,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:39:06,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:39:06,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:39:06,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (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 10:39:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:39:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:39:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:39:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:39:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:39:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:39:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:39:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:39:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:39:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:39:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:39:06,672 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:39:06,673 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:39:06,673 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:39:06,673 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:39:06,674 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:39:06,674 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:39:06,674 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:39:06,674 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:39:06,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:39:06,675 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:39:06,676 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:39:06,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:39:06,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:39:06,676 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:39:06,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:39:06,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:39:06,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:39:06,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:39:06,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:39:06,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:39:06,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:39:06,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:39:06,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:39:06,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:39:06,679 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:39:06,679 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:39:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:39:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:39:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:39:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:39:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:39:06,680 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:39:06,681 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:39:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:39:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:39:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:39:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:39:06,681 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:39:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:39:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:39:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:39:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:39:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:39:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:39:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:39:06,682 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:39:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:39:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:39:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:39:06,683 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:39:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:39:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:39:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:39:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:39:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:39:06,684 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:39:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:39:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:39:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:39:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:39:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-21 10:39:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:39:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:39:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:39:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:39:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:39:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:39:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:39:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:39:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:39:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:39:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:39:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:39:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:39:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:39:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:39:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:39:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:39:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:39:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:39:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:39:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:39:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:39:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:39:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:39:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:39:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:39:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:39:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:39:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:39:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:39:09,869 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:39:09,870 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:39:09,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:39:09 BoogieIcfgContainer [2020-07-21 10:39:09,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:39:09,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:39:09,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:39:09,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:39:09,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:39:05" (1/3) ... [2020-07-21 10:39:09,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60ff4cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:39:09, skipping insertion in model container [2020-07-21 10:39:09,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:39:06" (2/3) ... [2020-07-21 10:39:09,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60ff4cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:39:09, skipping insertion in model container [2020-07-21 10:39:09,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:39:09" (3/3) ... [2020-07-21 10:39:09,886 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product59.cil.c [2020-07-21 10:39:09,898 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:39:09,907 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:39:09,923 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:39:09,950 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:39:09,950 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:39:09,950 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:39:09,950 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:39:09,951 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:39:09,951 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:39:09,951 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:39:09,951 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:39:09,975 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2020-07-21 10:39:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 10:39:09,986 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:09,987 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 10:39:09,987 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:09,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:09,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1133755032, now seen corresponding path program 1 times [2020-07-21 10:39:09,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:09,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [369237549] [2020-07-21 10:39:10,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:39:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:10,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:39:10,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:10,305 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 10:39:10,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:10,307 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [369237549] [2020-07-21 10:39:10,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:10,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:39:10,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928518043] [2020-07-21 10:39:10,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:39:10,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:10,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:39:10,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:39:10,335 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 2 states. [2020-07-21 10:39:10,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:10,386 INFO L93 Difference]: Finished difference Result 314 states and 385 transitions. [2020-07-21 10:39:10,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:39:10,388 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 10:39:10,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:10,405 INFO L225 Difference]: With dead ends: 314 [2020-07-21 10:39:10,405 INFO L226 Difference]: Without dead ends: 159 [2020-07-21 10:39:10,411 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 10:39:10,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-07-21 10:39:10,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2020-07-21 10:39:10,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-07-21 10:39:10,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 186 transitions. [2020-07-21 10:39:10,480 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 186 transitions. Word has length 59 [2020-07-21 10:39:10,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:10,481 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 186 transitions. [2020-07-21 10:39:10,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:39:10,481 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 186 transitions. [2020-07-21 10:39:10,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 10:39:10,486 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:10,486 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 10:39:10,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:10,702 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:10,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:10,703 INFO L82 PathProgramCache]: Analyzing trace with hash -138893135, now seen corresponding path program 1 times [2020-07-21 10:39:10,704 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:10,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053416311] [2020-07-21 10:39:10,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:39:10,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:10,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:39:10,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:11,000 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 10:39:11,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:11,001 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2053416311] [2020-07-21 10:39:11,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:11,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:11,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787075197] [2020-07-21 10:39:11,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:11,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:11,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:11,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:11,005 INFO L87 Difference]: Start difference. First operand 159 states and 186 transitions. Second operand 3 states. [2020-07-21 10:39:11,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:11,028 INFO L93 Difference]: Finished difference Result 257 states and 299 transitions. [2020-07-21 10:39:11,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:11,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 10:39:11,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:11,031 INFO L225 Difference]: With dead ends: 257 [2020-07-21 10:39:11,032 INFO L226 Difference]: Without dead ends: 150 [2020-07-21 10:39:11,034 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 10:39:11,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2020-07-21 10:39:11,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2020-07-21 10:39:11,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-21 10:39:11,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 174 transitions. [2020-07-21 10:39:11,059 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 174 transitions. Word has length 60 [2020-07-21 10:39:11,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:11,059 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 174 transitions. [2020-07-21 10:39:11,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:11,060 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 174 transitions. [2020-07-21 10:39:11,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 10:39:11,065 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:11,065 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:11,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:11,282 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:11,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:11,282 INFO L82 PathProgramCache]: Analyzing trace with hash 1740604635, now seen corresponding path program 1 times [2020-07-21 10:39:11,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:11,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1841874335] [2020-07-21 10:39:11,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:39:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:11,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 710 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:39:11,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:11,583 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 10:39:11,583 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:11,584 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1841874335] [2020-07-21 10:39:11,584 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:11,584 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:11,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592624580] [2020-07-21 10:39:11,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:11,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:11,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:11,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:11,586 INFO L87 Difference]: Start difference. First operand 150 states and 174 transitions. Second operand 3 states. [2020-07-21 10:39:11,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:11,643 INFO L93 Difference]: Finished difference Result 392 states and 466 transitions. [2020-07-21 10:39:11,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:11,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-07-21 10:39:11,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:11,654 INFO L225 Difference]: With dead ends: 392 [2020-07-21 10:39:11,654 INFO L226 Difference]: Without dead ends: 270 [2020-07-21 10:39:11,659 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:11,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-07-21 10:39:11,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 266. [2020-07-21 10:39:11,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-07-21 10:39:11,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 315 transitions. [2020-07-21 10:39:11,722 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 315 transitions. Word has length 64 [2020-07-21 10:39:11,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:11,724 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 315 transitions. [2020-07-21 10:39:11,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:11,724 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 315 transitions. [2020-07-21 10:39:11,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-21 10:39:11,729 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:11,729 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:39:11,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:11,943 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:11,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:11,944 INFO L82 PathProgramCache]: Analyzing trace with hash 659595443, now seen corresponding path program 1 times [2020-07-21 10:39:11,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:11,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1063871505] [2020-07-21 10:39:11,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:39:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:12,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:39:12,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:12,200 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 10:39:12,200 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:12,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1063871505] [2020-07-21 10:39:12,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:12,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:39:12,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375539527] [2020-07-21 10:39:12,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:39:12,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:12,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:39:12,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:39:12,203 INFO L87 Difference]: Start difference. First operand 266 states and 315 transitions. Second operand 6 states. [2020-07-21 10:39:12,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:12,535 INFO L93 Difference]: Finished difference Result 628 states and 777 transitions. [2020-07-21 10:39:12,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:39:12,535 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-21 10:39:12,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:12,539 INFO L225 Difference]: With dead ends: 628 [2020-07-21 10:39:12,539 INFO L226 Difference]: Without dead ends: 390 [2020-07-21 10:39:12,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:39:12,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2020-07-21 10:39:12,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 380. [2020-07-21 10:39:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-07-21 10:39:12,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 455 transitions. [2020-07-21 10:39:12,569 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 455 transitions. Word has length 70 [2020-07-21 10:39:12,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:12,569 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 455 transitions. [2020-07-21 10:39:12,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:39:12,569 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 455 transitions. [2020-07-21 10:39:12,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-21 10:39:12,572 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:12,572 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 10:39:12,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:12,785 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:12,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:12,786 INFO L82 PathProgramCache]: Analyzing trace with hash -73914297, now seen corresponding path program 1 times [2020-07-21 10:39:12,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:12,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [275143403] [2020-07-21 10:39:12,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:39:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:12,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 810 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:39:12,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:13,017 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 10:39:13,017 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:13,017 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [275143403] [2020-07-21 10:39:13,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:13,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:39:13,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827256216] [2020-07-21 10:39:13,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:39:13,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:13,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:39:13,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:39:13,020 INFO L87 Difference]: Start difference. First operand 380 states and 455 transitions. Second operand 6 states. [2020-07-21 10:39:13,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:13,061 INFO L93 Difference]: Finished difference Result 746 states and 924 transitions. [2020-07-21 10:39:13,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:39:13,062 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2020-07-21 10:39:13,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:13,065 INFO L225 Difference]: With dead ends: 746 [2020-07-21 10:39:13,065 INFO L226 Difference]: Without dead ends: 394 [2020-07-21 10:39:13,067 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 10:39:13,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2020-07-21 10:39:13,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 390. [2020-07-21 10:39:13,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-07-21 10:39:13,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 465 transitions. [2020-07-21 10:39:13,089 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 465 transitions. Word has length 107 [2020-07-21 10:39:13,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:13,090 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 465 transitions. [2020-07-21 10:39:13,090 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:39:13,090 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 465 transitions. [2020-07-21 10:39:13,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-21 10:39:13,092 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:13,092 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 10:39:13,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:13,306 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:13,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:13,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1854358405, now seen corresponding path program 1 times [2020-07-21 10:39:13,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:13,308 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [900565588] [2020-07-21 10:39:13,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:39:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:13,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 10:39:13,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:13,557 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 10:39:13,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:13,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [900565588] [2020-07-21 10:39:13,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:13,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 10:39:13,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210137914] [2020-07-21 10:39:13,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 10:39:13,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:13,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 10:39:13,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 10:39:13,561 INFO L87 Difference]: Start difference. First operand 390 states and 465 transitions. Second operand 5 states. [2020-07-21 10:39:13,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:13,593 INFO L93 Difference]: Finished difference Result 766 states and 944 transitions. [2020-07-21 10:39:13,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 10:39:13,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-07-21 10:39:13,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:13,599 INFO L225 Difference]: With dead ends: 766 [2020-07-21 10:39:13,599 INFO L226 Difference]: Without dead ends: 404 [2020-07-21 10:39:13,600 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 10:39:13,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2020-07-21 10:39:13,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 398. [2020-07-21 10:39:13,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-07-21 10:39:13,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 473 transitions. [2020-07-21 10:39:13,628 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 473 transitions. Word has length 107 [2020-07-21 10:39:13,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:13,628 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 473 transitions. [2020-07-21 10:39:13,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 10:39:13,629 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 473 transitions. [2020-07-21 10:39:13,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-21 10:39:13,632 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:13,633 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 10:39:13,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:13,847 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:13,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:13,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1613818276, now seen corresponding path program 1 times [2020-07-21 10:39:13,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:13,849 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [152409570] [2020-07-21 10:39:13,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:39:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:14,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 10:39:14,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:14,063 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 10:39:14,063 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:14,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [152409570] [2020-07-21 10:39:14,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:14,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:14,065 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052989374] [2020-07-21 10:39:14,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:14,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:14,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:14,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:14,067 INFO L87 Difference]: Start difference. First operand 398 states and 473 transitions. Second operand 3 states. [2020-07-21 10:39:14,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:14,125 INFO L93 Difference]: Finished difference Result 1062 states and 1337 transitions. [2020-07-21 10:39:14,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:14,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2020-07-21 10:39:14,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:14,130 INFO L225 Difference]: With dead ends: 1062 [2020-07-21 10:39:14,131 INFO L226 Difference]: Without dead ends: 692 [2020-07-21 10:39:14,132 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 10:39:14,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2020-07-21 10:39:14,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 689. [2020-07-21 10:39:14,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-07-21 10:39:14,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 846 transitions. [2020-07-21 10:39:14,170 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 846 transitions. Word has length 107 [2020-07-21 10:39:14,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:14,170 INFO L479 AbstractCegarLoop]: Abstraction has 689 states and 846 transitions. [2020-07-21 10:39:14,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:14,171 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 846 transitions. [2020-07-21 10:39:14,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-07-21 10:39:14,173 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:14,173 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 10:39:14,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:14,389 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:14,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:14,390 INFO L82 PathProgramCache]: Analyzing trace with hash 608509898, now seen corresponding path program 1 times [2020-07-21 10:39:14,391 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:14,391 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1891454332] [2020-07-21 10:39:14,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:39:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:14,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 820 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-21 10:39:14,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:14,711 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 10:39:14,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:14,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1891454332] [2020-07-21 10:39:14,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:14,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-21 10:39:14,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634857584] [2020-07-21 10:39:14,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:39:14,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:14,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:39:14,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:39:14,715 INFO L87 Difference]: Start difference. First operand 689 states and 846 transitions. Second operand 10 states. [2020-07-21 10:39:16,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:16,488 INFO L93 Difference]: Finished difference Result 2014 states and 2795 transitions. [2020-07-21 10:39:16,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-21 10:39:16,489 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2020-07-21 10:39:16,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:16,499 INFO L225 Difference]: With dead ends: 2014 [2020-07-21 10:39:16,499 INFO L226 Difference]: Without dead ends: 1353 [2020-07-21 10:39:16,503 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-21 10:39:16,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2020-07-21 10:39:16,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 996. [2020-07-21 10:39:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2020-07-21 10:39:16,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1231 transitions. [2020-07-21 10:39:16,569 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1231 transitions. Word has length 111 [2020-07-21 10:39:16,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:16,569 INFO L479 AbstractCegarLoop]: Abstraction has 996 states and 1231 transitions. [2020-07-21 10:39:16,569 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:39:16,570 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1231 transitions. [2020-07-21 10:39:16,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-21 10:39:16,573 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:16,573 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:39:16,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:16,788 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:16,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:16,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1906688340, now seen corresponding path program 1 times [2020-07-21 10:39:16,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:16,790 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1057590353] [2020-07-21 10:39:16,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 10:39:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:16,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 10:39:16,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:17,032 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 10:39:17,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:39:17,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1057590353] [2020-07-21 10:39:17,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:39:17,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:39:17,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678606846] [2020-07-21 10:39:17,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:39:17,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:17,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:39:17,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:39:17,036 INFO L87 Difference]: Start difference. First operand 996 states and 1231 transitions. Second operand 3 states. [2020-07-21 10:39:17,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:17,157 INFO L93 Difference]: Finished difference Result 1206 states and 1488 transitions. [2020-07-21 10:39:17,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:39:17,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-07-21 10:39:17,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:17,162 INFO L225 Difference]: With dead ends: 1206 [2020-07-21 10:39:17,162 INFO L226 Difference]: Without dead ends: 480 [2020-07-21 10:39:17,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 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 10:39:17,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-07-21 10:39:17,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 480. [2020-07-21 10:39:17,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2020-07-21 10:39:17,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 574 transitions. [2020-07-21 10:39:17,193 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 574 transitions. Word has length 152 [2020-07-21 10:39:17,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:17,193 INFO L479 AbstractCegarLoop]: Abstraction has 480 states and 574 transitions. [2020-07-21 10:39:17,194 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:39:17,194 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 574 transitions. [2020-07-21 10:39:17,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-07-21 10:39:17,196 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:39:17,197 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 10:39:17,410 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:17,411 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:39:17,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:39:17,412 INFO L82 PathProgramCache]: Analyzing trace with hash 866799866, now seen corresponding path program 1 times [2020-07-21 10:39:17,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:39:17,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352209672] [2020-07-21 10:39:17,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:39:17,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:39:17,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:39:17,733 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 10:39:17,733 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:39:18,200 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 10:39:18,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352209672] [2020-07-21 10:39:18,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 10:39:18,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-21 10:39:18,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425068212] [2020-07-21 10:39:18,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-21 10:39:18,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:39:18,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-21 10:39:18,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-21 10:39:18,204 INFO L87 Difference]: Start difference. First operand 480 states and 574 transitions. Second operand 10 states. [2020-07-21 10:39:19,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:39:19,354 INFO L93 Difference]: Finished difference Result 1028 states and 1248 transitions. [2020-07-21 10:39:19,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-21 10:39:19,355 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172 [2020-07-21 10:39:19,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:39:19,356 INFO L225 Difference]: With dead ends: 1028 [2020-07-21 10:39:19,356 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:39:19,359 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 10:39:19,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:39:19,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:39:19,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:39:19,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:39:19,360 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2020-07-21 10:39:19,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:39:19,360 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:39:19,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-21 10:39:19,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:39:19,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:39:19,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:39:19,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:39:20,917 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 10:39:21,129 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-07-21 10:39:21,524 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 36 [2020-07-21 10:39:21,716 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-07-21 10:39:22,055 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2020-07-21 10:39:22,489 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 42 [2020-07-21 10:39:22,776 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 35 [2020-07-21 10:39:23,224 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-07-21 10:39:23,351 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2020-07-21 10:39:24,333 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2020-07-21 10:39:24,603 INFO L268 CegarLoopResult]: For program point L543(lines 543 547) no Hoare annotation was computed. [2020-07-21 10:39:24,604 INFO L268 CegarLoopResult]: For program point L543-1(lines 543 547) no Hoare annotation was computed. [2020-07-21 10:39:24,604 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-21 10:39:24,604 INFO L268 CegarLoopResult]: For program point L537-2(lines 537 558) no Hoare annotation was computed. [2020-07-21 10:39:24,604 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 512 567) no Hoare annotation was computed. [2020-07-21 10:39:24,604 INFO L268 CegarLoopResult]: For program point L559(lines 536 560) no Hoare annotation was computed. [2020-07-21 10:39:24,605 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 512 567) no Hoare annotation was computed. [2020-07-21 10:39:24,605 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 512 567) no Hoare annotation was computed. [2020-07-21 10:39:24,605 INFO L268 CegarLoopResult]: For program point L600(lines 600 604) no Hoare annotation was computed. [2020-07-21 10:39:24,605 INFO L268 CegarLoopResult]: For program point L600-1(lines 600 604) no Hoare annotation was computed. [2020-07-21 10:39:24,605 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 568 627) no Hoare annotation was computed. [2020-07-21 10:39:24,605 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-21 10:39:24,605 INFO L268 CegarLoopResult]: For program point L594-2(lines 594 619) no Hoare annotation was computed. [2020-07-21 10:39:24,606 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 568 627) no Hoare annotation was computed. [2020-07-21 10:39:24,606 INFO L268 CegarLoopResult]: For program point L620(lines 593 621) no Hoare annotation was computed. [2020-07-21 10:39:24,606 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 568 627) no Hoare annotation was computed. [2020-07-21 10:39:24,606 INFO L268 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-07-21 10:39:24,606 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-07-21 10:39:24,607 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 1002 1008) the Hoare annotation is: true [2020-07-21 10:39:24,607 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 1002 1008) no Hoare annotation was computed. [2020-07-21 10:39:24,607 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 1009 1017) no Hoare annotation was computed. [2020-07-21 10:39:24,607 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 1009 1017) the Hoare annotation is: true [2020-07-21 10:39:24,607 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 1009 1017) no Hoare annotation was computed. [2020-07-21 10:39:24,607 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 836 843) the Hoare annotation is: true [2020-07-21 10:39:24,608 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 836 843) no Hoare annotation was computed. [2020-07-21 10:39:24,608 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 836 843) no Hoare annotation was computed. [2020-07-21 10:39:24,608 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-07-21 10:39:24,608 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 844 853) 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 10:39:24,608 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 844 853) no Hoare annotation was computed. [2020-07-21 10:39:24,609 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 844 853) no Hoare annotation was computed. [2020-07-21 10:39:24,609 INFO L264 CegarLoopResult]: At program point L864(line 864) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-21 10:39:24,609 INFO L268 CegarLoopResult]: For program point L864-1(line 864) no Hoare annotation was computed. [2020-07-21 10:39:24,609 INFO L268 CegarLoopResult]: For program point L862(lines 862 879) no Hoare annotation was computed. [2020-07-21 10:39:24,609 INFO L268 CegarLoopResult]: For program point L862-1(lines 854 882) no Hoare annotation was computed. [2020-07-21 10:39:24,610 INFO L271 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: true [2020-07-21 10:39:24,610 INFO L268 CegarLoopResult]: For program point L860-1(line 860) no Hoare annotation was computed. [2020-07-21 10:39:24,610 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 854 882) the Hoare annotation is: true [2020-07-21 10:39:24,610 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 854 882) no Hoare annotation was computed. [2020-07-21 10:39:24,610 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-21 10:39:24,611 INFO L268 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-07-21 10:39:24,611 INFO L268 CegarLoopResult]: For program point L866(lines 866 876) no Hoare annotation was computed. [2020-07-21 10:39:24,611 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 960 982) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:24,611 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 960 982) no Hoare annotation was computed. [2020-07-21 10:39:24,611 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 960 982) no Hoare annotation was computed. [2020-07-21 10:39:24,612 INFO L264 CegarLoopResult]: At program point L972(line 972) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:24,612 INFO L264 CegarLoopResult]: At program point L972-1(line 972) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:24,612 INFO L268 CegarLoopResult]: For program point L970(lines 970 977) no Hoare annotation was computed. [2020-07-21 10:39:24,612 INFO L268 CegarLoopResult]: For program point L970-1(lines 970 977) no Hoare annotation was computed. [2020-07-21 10:39:24,612 INFO L268 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2020-07-21 10:39:24,613 INFO L264 CegarLoopResult]: At program point L967(line 967) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:24,613 INFO L264 CegarLoopResult]: At program point L966(line 966) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:24,613 INFO L264 CegarLoopResult]: At program point L966-1(line 966) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:24,613 INFO L268 CegarLoopResult]: For program point L929(line 929) no Hoare annotation was computed. [2020-07-21 10:39:24,613 INFO L268 CegarLoopResult]: For program point L928(line 928) no Hoare annotation was computed. [2020-07-21 10:39:24,613 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 915 938) no Hoare annotation was computed. [2020-07-21 10:39:24,614 INFO L268 CegarLoopResult]: For program point L927(line 927) no Hoare annotation was computed. [2020-07-21 10:39:24,614 INFO L268 CegarLoopResult]: For program point L926(line 926) no Hoare annotation was computed. [2020-07-21 10:39:24,614 INFO L268 CegarLoopResult]: For program point L925(line 925) no Hoare annotation was computed. [2020-07-21 10:39:24,614 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 915 938) no Hoare annotation was computed. [2020-07-21 10:39:24,614 INFO L268 CegarLoopResult]: For program point L924(line 924) no Hoare annotation was computed. [2020-07-21 10:39:24,615 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 915 938) no Hoare annotation was computed. [2020-07-21 10:39:24,615 INFO L268 CegarLoopResult]: For program point L923(line 923) no Hoare annotation was computed. [2020-07-21 10:39:24,615 INFO L268 CegarLoopResult]: For program point L922(line 922) no Hoare annotation was computed. [2020-07-21 10:39:24,615 INFO L268 CegarLoopResult]: For program point L921(line 921) no Hoare annotation was computed. [2020-07-21 10:39:24,615 INFO L268 CegarLoopResult]: For program point L920(line 920) no Hoare annotation was computed. [2020-07-21 10:39:24,615 INFO L268 CegarLoopResult]: For program point L933(line 933) no Hoare annotation was computed. [2020-07-21 10:39:24,616 INFO L268 CegarLoopResult]: For program point L932(line 932) no Hoare annotation was computed. [2020-07-21 10:39:24,616 INFO L268 CegarLoopResult]: For program point L931(line 931) no Hoare annotation was computed. [2020-07-21 10:39:24,616 INFO L268 CegarLoopResult]: For program point L930(line 930) no Hoare annotation was computed. [2020-07-21 10:39:24,616 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 444 458) no Hoare annotation was computed. [2020-07-21 10:39:24,616 INFO L268 CegarLoopResult]: For program point L448(lines 448 454) no Hoare annotation was computed. [2020-07-21 10:39:24,617 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 444 458) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))))) [2020-07-21 10:39:24,617 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 444 458) no Hoare annotation was computed. [2020-07-21 10:39:24,617 INFO L264 CegarLoopResult]: At program point L450(line 450) the Hoare annotation is: (and (or (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= ~waterLevel~0 1)) (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0))) [2020-07-21 10:39:24,617 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 361 369) no Hoare annotation was computed. [2020-07-21 10:39:24,617 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 361 369) the Hoare annotation is: true [2020-07-21 10:39:24,617 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 361 369) no Hoare annotation was computed. [2020-07-21 10:39:24,618 INFO L271 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: true [2020-07-21 10:39:24,618 INFO L268 CegarLoopResult]: For program point L434-2(lines 434 438) no Hoare annotation was computed. [2020-07-21 10:39:24,618 INFO L268 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-07-21 10:39:24,618 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 425 443) the Hoare annotation is: true [2020-07-21 10:39:24,618 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 425 443) no Hoare annotation was computed. [2020-07-21 10:39:24,618 INFO L268 CegarLoopResult]: For program point L434(lines 434 438) no Hoare annotation was computed. [2020-07-21 10:39:24,619 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 425 443) no Hoare annotation was computed. [2020-07-21 10:39:24,619 INFO L268 CegarLoopResult]: For program point L377(lines 377 385) no Hoare annotation was computed. [2020-07-21 10:39:24,619 INFO L268 CegarLoopResult]: For program point L377-2(lines 377 385) no Hoare annotation was computed. [2020-07-21 10:39:24,619 INFO L268 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-07-21 10:39:24,619 INFO L268 CegarLoopResult]: For program point L400-1(line 400) no Hoare annotation was computed. [2020-07-21 10:39:24,619 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 370 405) no Hoare annotation was computed. [2020-07-21 10:39:24,620 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 370 405) no Hoare annotation was computed. [2020-07-21 10:39:24,620 INFO L268 CegarLoopResult]: For program point L389(lines 389 397) no Hoare annotation was computed. [2020-07-21 10:39:24,620 INFO L268 CegarLoopResult]: For program point L389-2(lines 389 397) no Hoare annotation was computed. [2020-07-21 10:39:24,620 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 370 405) no Hoare annotation was computed. [2020-07-21 10:39:24,620 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 995 1001) no Hoare annotation was computed. [2020-07-21 10:39:24,620 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 995 1001) the Hoare annotation is: true [2020-07-21 10:39:24,621 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 466 511) no Hoare annotation was computed. [2020-07-21 10:39:24,621 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 466 511) no Hoare annotation was computed. [2020-07-21 10:39:24,621 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 466 511) no Hoare annotation was computed. [2020-07-21 10:39:24,621 INFO L268 CegarLoopResult]: For program point L799(lines 799 806) no Hoare annotation was computed. [2020-07-21 10:39:24,621 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 779 824) no Hoare annotation was computed. [2020-07-21 10:39:24,621 INFO L268 CegarLoopResult]: For program point L793(lines 793 813) no Hoare annotation was computed. [2020-07-21 10:39:24,622 INFO L268 CegarLoopResult]: For program point L793-1(lines 793 813) no Hoare annotation was computed. [2020-07-21 10:39:24,622 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 779 824) no Hoare annotation was computed. [2020-07-21 10:39:24,622 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 779 824) no Hoare annotation was computed. [2020-07-21 10:39:24,622 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 946 956) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:24,622 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 946 956) no Hoare annotation was computed. [2020-07-21 10:39:24,623 INFO L264 CegarLoopResult]: At program point L951(line 951) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:24,623 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 946 956) no Hoare annotation was computed. [2020-07-21 10:39:24,623 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 350 360) the Hoare annotation is: true [2020-07-21 10:39:24,623 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 350 360) no Hoare annotation was computed. [2020-07-21 10:39:24,623 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 350 360) no Hoare annotation was computed. [2020-07-21 10:39:24,623 INFO L271 CegarLoopResult]: At program point L355(line 355) the Hoare annotation is: true [2020-07-21 10:39:24,624 INFO L268 CegarLoopResult]: For program point L355-1(line 355) no Hoare annotation was computed. [2020-07-21 10:39:24,624 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 342 349) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) [2020-07-21 10:39:24,624 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 342 349) no Hoare annotation was computed. [2020-07-21 10:39:24,624 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 342 349) no Hoare annotation was computed. [2020-07-21 10:39:24,624 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2020-07-21 10:39:24,625 INFO L268 CegarLoopResult]: For program point L131(lines 131 137) no Hoare annotation was computed. [2020-07-21 10:39:24,625 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2020-07-21 10:39:24,625 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2020-07-21 10:39:24,625 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 291 315) no Hoare annotation was computed. [2020-07-21 10:39:24,625 INFO L264 CegarLoopResult]: At program point L310(line 310) 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 10:39:24,625 INFO L268 CegarLoopResult]: For program point L310-1(lines 291 315) no Hoare annotation was computed. [2020-07-21 10:39:24,626 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 291 315) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:24,626 INFO L264 CegarLoopResult]: At program point L305(line 305) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:24,626 INFO L264 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:24,626 INFO L268 CegarLoopResult]: For program point L299(lines 299 307) no Hoare annotation was computed. [2020-07-21 10:39:24,627 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:24,627 INFO L268 CegarLoopResult]: For program point L297-1(line 297) no Hoare annotation was computed. [2020-07-21 10:39:24,627 INFO L268 CegarLoopResult]: For program point L295(lines 295 312) no Hoare annotation was computed. [2020-07-21 10:39:24,627 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 257 263) no Hoare annotation was computed. [2020-07-21 10:39:24,627 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 257 263) the Hoare annotation is: true [2020-07-21 10:39:24,627 INFO L264 CegarLoopResult]: At program point testENTRY(lines 154 219) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:24,628 INFO L264 CegarLoopResult]: At program point L186(line 186) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:24,628 INFO L268 CegarLoopResult]: For program point L184(lines 184 190) no Hoare annotation was computed. [2020-07-21 10:39:24,628 INFO L268 CegarLoopResult]: For program point L184-1(lines 184 190) no Hoare annotation was computed. [2020-07-21 10:39:24,628 INFO L268 CegarLoopResult]: For program point testFINAL(lines 154 219) no Hoare annotation was computed. [2020-07-21 10:39:24,628 INFO L264 CegarLoopResult]: At program point L209(lines 164 211) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:24,629 INFO L264 CegarLoopResult]: At program point L176(line 176) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:24,629 INFO L268 CegarLoopResult]: For program point L174(lines 174 180) no Hoare annotation was computed. [2020-07-21 10:39:24,629 INFO L268 CegarLoopResult]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2020-07-21 10:39:24,629 INFO L268 CegarLoopResult]: For program point L166(lines 166 170) no Hoare annotation was computed. [2020-07-21 10:39:24,629 INFO L264 CegarLoopResult]: At program point L212(lines 163 213) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:39:24,630 INFO L264 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (<= ~waterLevel~0 2) (<= test_~splverifierCounter~0 0))) [2020-07-21 10:39:24,630 INFO L268 CegarLoopResult]: For program point L200(lines 200 206) no Hoare annotation was computed. [2020-07-21 10:39:24,630 INFO L264 CegarLoopResult]: At program point L200-1(lines 194 207) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (and .cse3 .cse4 .cse0 .cse1) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-21 10:39:24,630 INFO L268 CegarLoopResult]: For program point L165(lines 164 211) no Hoare annotation was computed. [2020-07-21 10:39:24,630 INFO L268 CegarLoopResult]: For program point testEXIT(lines 154 219) no Hoare annotation was computed. [2020-07-21 10:39:24,631 INFO L268 CegarLoopResult]: For program point L194(lines 194 207) no Hoare annotation was computed. [2020-07-21 10:39:24,631 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 733 778) no Hoare annotation was computed. [2020-07-21 10:39:24,631 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 733 778) no Hoare annotation was computed. [2020-07-21 10:39:24,631 INFO L268 CegarLoopResult]: For program point L753(lines 753 760) no Hoare annotation was computed. [2020-07-21 10:39:24,631 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 733 778) no Hoare annotation was computed. [2020-07-21 10:39:24,631 INFO L268 CegarLoopResult]: For program point L747(lines 747 767) no Hoare annotation was computed. [2020-07-21 10:39:24,632 INFO L268 CegarLoopResult]: For program point L747-1(lines 747 767) no Hoare annotation was computed. [2020-07-21 10:39:24,632 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 316 323) 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 10:39:24,632 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 316 323) no Hoare annotation was computed. [2020-07-21 10:39:24,632 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 316 323) no Hoare annotation was computed. [2020-07-21 10:39:24,632 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2020-07-21 10:39:24,632 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2020-07-21 10:39:24,633 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2020-07-21 10:39:24,633 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2020-07-21 10:39:24,633 INFO L268 CegarLoopResult]: For program point L103(lines 103 111) no Hoare annotation was computed. [2020-07-21 10:39:24,633 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2020-07-21 10:39:24,633 INFO L268 CegarLoopResult]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2020-07-21 10:39:24,633 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2020-07-21 10:39:24,633 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 630 732) no Hoare annotation was computed. [2020-07-21 10:39:24,634 INFO L268 CegarLoopResult]: For program point L700(lines 678 701) no Hoare annotation was computed. [2020-07-21 10:39:24,634 INFO L268 CegarLoopResult]: For program point L659(lines 659 675) no Hoare annotation was computed. [2020-07-21 10:39:24,634 INFO L268 CegarLoopResult]: For program point L719(lines 719 726) no Hoare annotation was computed. [2020-07-21 10:39:24,634 INFO L268 CegarLoopResult]: For program point L680(lines 679 699) no Hoare annotation was computed. [2020-07-21 10:39:24,634 INFO L268 CegarLoopResult]: For program point L711(line 711) no Hoare annotation was computed. [2020-07-21 10:39:24,634 INFO L268 CegarLoopResult]: For program point L711-1(line 711) no Hoare annotation was computed. [2020-07-21 10:39:24,635 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 630 732) no Hoare annotation was computed. [2020-07-21 10:39:24,635 INFO L268 CegarLoopResult]: For program point L676(lines 676 717) no Hoare annotation was computed. [2020-07-21 10:39:24,635 INFO L268 CegarLoopResult]: For program point L695(line 695) no Hoare annotation was computed. [2020-07-21 10:39:24,635 INFO L268 CegarLoopResult]: For program point L695-1(line 695) no Hoare annotation was computed. [2020-07-21 10:39:24,635 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 630 732) no Hoare annotation was computed. [2020-07-21 10:39:24,635 INFO L268 CegarLoopResult]: For program point L654(lines 654 658) no Hoare annotation was computed. [2020-07-21 10:39:24,636 INFO L268 CegarLoopResult]: For program point L718(lines 718 729) no Hoare annotation was computed. [2020-07-21 10:39:24,636 INFO L268 CegarLoopResult]: For program point L681(lines 681 685) no Hoare annotation was computed. [2020-07-21 10:39:24,636 INFO L268 CegarLoopResult]: For program point L679-2(lines 679 699) no Hoare annotation was computed. [2020-07-21 10:39:24,636 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 985 994) no Hoare annotation was computed. [2020-07-21 10:39:24,636 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 985 994) no Hoare annotation was computed. [2020-07-21 10:39:24,636 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 985 994) no Hoare annotation was computed. [2020-07-21 10:39:24,636 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:24,637 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (<= ~waterLevel~0 |old(~waterLevel~0)|) [2020-07-21 10:39:24,637 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:24,637 INFO L264 CegarLoopResult]: At program point L336(line 336) 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 10:39:24,637 INFO L268 CegarLoopResult]: For program point L336-1(lines 325 341) no Hoare annotation was computed. [2020-07-21 10:39:24,637 INFO L268 CegarLoopResult]: For program point L332(lines 332 338) no Hoare annotation was computed. [2020-07-21 10:39:24,638 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 325 341) no Hoare annotation was computed. [2020-07-21 10:39:24,638 INFO L264 CegarLoopResult]: At program point L330(line 330) 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 10:39:24,638 INFO L268 CegarLoopResult]: For program point L330-1(line 330) no Hoare annotation was computed. [2020-07-21 10:39:24,638 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 325 341) 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 10:39:24,638 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2020-07-21 10:39:24,638 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2020-07-21 10:39:24,639 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2020-07-21 10:39:24,639 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 406 424) no Hoare annotation was computed. [2020-07-21 10:39:24,639 INFO L268 CegarLoopResult]: For program point L415(lines 415 419) no Hoare annotation was computed. [2020-07-21 10:39:24,639 INFO L271 CegarLoopResult]: At program point L413(line 413) the Hoare annotation is: true [2020-07-21 10:39:24,639 INFO L268 CegarLoopResult]: For program point L415-2(lines 415 419) no Hoare annotation was computed. [2020-07-21 10:39:24,639 INFO L268 CegarLoopResult]: For program point L413-1(line 413) no Hoare annotation was computed. [2020-07-21 10:39:24,640 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 406 424) the Hoare annotation is: true [2020-07-21 10:39:24,640 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 406 424) no Hoare annotation was computed. [2020-07-21 10:39:24,640 INFO L268 CegarLoopResult]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2020-07-21 10:39:24,640 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: true [2020-07-21 10:39:24,640 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2020-07-21 10:39:24,640 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:24,640 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:39:24,641 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:24,641 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2020-07-21 10:39:24,641 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2020-07-21 10:39:24,641 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2020-07-21 10:39:24,642 INFO L264 CegarLoopResult]: At program point L246(line 246) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse7 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse8 (<= ~waterLevel~0 1) (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse2) .cse3 .cse4) (or (not (= 0 ~systemActive~0)) .cse1 .cse3) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse5 .cse0 .cse6 .cse7) (or .cse5 .cse0 .cse1 (and .cse8 .cse2)) (or .cse0 .cse6 .cse3 .cse7 .cse4)))) [2020-07-21 10:39:24,642 INFO L264 CegarLoopResult]: At program point L244(lines 244 250) the Hoare annotation is: (let ((.cse13 (<= 1 ~pumpRunning~0)) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and .cse11 .cse12 (<= 1 ~switchedOnBeforeTS~0) .cse14)) (.cse7 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse11 .cse14 .cse13)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse11 .cse12)) (.cse0 (not (= 0 ~systemActive~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (<= 2 ~waterLevel~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse7 .cse8) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse9 .cse4 .cse5 .cse6 .cse7) (or .cse9 .cse4 .cse1 .cse3) (or .cse10 .cse0 .cse1 .cse2 .cse8) (or .cse4 (and .cse10 .cse11 .cse12) .cse1 (and .cse10 .cse11 .cse13) .cse2 .cse8)))) [2020-07-21 10:39:24,642 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 230 256) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (<= 2 ~waterLevel~0)) (.cse8 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (<= ~waterLevel~0 2)) (.cse10 (= 0 ~pumpRunning~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse7 .cse6) .cse2) (or .cse8 .cse9 .cse2 (and .cse7 .cse10)) (or .cse0 .cse4 .cse9 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse7 .cse9) (or .cse0 (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse9 (<= 1 ~switchedOnBeforeTS~0) .cse2) (or .cse4 .cse8 .cse9 .cse2 .cse3) (or .cse0 .cse9 (and .cse5 .cse10) .cse2))) [2020-07-21 10:39:24,643 INFO L264 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse3 (<= 1 ~pumpRunning~0))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3) .cse4) (or (not (= 0 ~systemActive~0)) .cse5 .cse4) (or .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse4 (and .cse2 (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3) (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-21 10:39:24,643 INFO L268 CegarLoopResult]: For program point L237(lines 233 255) no Hoare annotation was computed. [2020-07-21 10:39:24,643 INFO L268 CegarLoopResult]: For program point L235(lines 233 255) no Hoare annotation was computed. [2020-07-21 10:39:24,643 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 230 256) no Hoare annotation was computed. [2020-07-21 10:39:24,643 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 230 256) no Hoare annotation was computed. [2020-07-21 10:39:24,643 INFO L268 CegarLoopResult]: For program point L896(line 896) no Hoare annotation was computed. [2020-07-21 10:39:24,644 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 885 914) no Hoare annotation was computed. [2020-07-21 10:39:24,644 INFO L271 CegarLoopResult]: At program point L895-2(lines 895 909) the Hoare annotation is: true [2020-07-21 10:39:24,644 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 885 914) the Hoare annotation is: true [2020-07-21 10:39:24,644 INFO L271 CegarLoopResult]: At program point L891(line 891) the Hoare annotation is: true [2020-07-21 10:39:24,644 INFO L268 CegarLoopResult]: For program point L891-1(line 891) no Hoare annotation was computed. [2020-07-21 10:39:24,644 INFO L271 CegarLoopResult]: At program point L910(lines 885 914) the Hoare annotation is: true [2020-07-21 10:39:24,644 INFO L268 CegarLoopResult]: For program point L906(line 906) no Hoare annotation was computed. [2020-07-21 10:39:24,645 INFO L268 CegarLoopResult]: For program point L899(lines 899 903) no Hoare annotation was computed. [2020-07-21 10:39:24,645 INFO L271 CegarLoopResult]: At program point L899-1(lines 899 903) the Hoare annotation is: true [2020-07-21 10:39:24,645 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 50 61) 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 10:39:24,645 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2020-07-21 10:39:24,645 INFO L268 CegarLoopResult]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2020-07-21 10:39:24,645 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 939 945) no Hoare annotation was computed. [2020-07-21 10:39:24,646 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 939 945) the Hoare annotation is: true [2020-07-21 10:39:24,646 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:39:24,646 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 10:39:24,646 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:39:24,646 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:39:24,646 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 265 289) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-21 10:39:24,647 INFO L264 CegarLoopResult]: At program point L284(line 284) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:24,647 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 265 289) no Hoare annotation was computed. [2020-07-21 10:39:24,647 INFO L268 CegarLoopResult]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2020-07-21 10:39:24,647 INFO L264 CegarLoopResult]: At program point L279(line 279) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-21 10:39:24,647 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 1)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) .cse1) (or .cse0 (not (<= ~waterLevel~0 2)) .cse2 (= 0 ~pumpRunning~0)) (or .cse0 .cse2 .cse1))) [2020-07-21 10:39:24,648 INFO L268 CegarLoopResult]: For program point L273(lines 273 281) no Hoare annotation was computed. [2020-07-21 10:39:24,648 INFO L264 CegarLoopResult]: At program point L271(line 271) 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 10:39:24,648 INFO L268 CegarLoopResult]: For program point L271-1(line 271) no Hoare annotation was computed. [2020-07-21 10:39:24,648 INFO L268 CegarLoopResult]: For program point L269(lines 269 286) no Hoare annotation was computed. [2020-07-21 10:39:24,648 INFO L268 CegarLoopResult]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2020-07-21 10:39:24,648 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2020-07-21 10:39:24,649 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse5 (not (= 0 ~systemActive~0))) (.cse1 (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2))) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3 .cse4) (or .cse6 .cse0 .cse7 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse8) (or .cse6 .cse7 .cse5 .cse3) (or .cse0 .cse1 .cse2 .cse8 .cse4) (or .cse6 .cse0 .cse7 .cse3))) [2020-07-21 10:39:24,649 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 826 833) no Hoare annotation was computed. [2020-07-21 10:39:24,649 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 830) no Hoare annotation was computed. [2020-07-21 10:39:24,649 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 826 833) the Hoare annotation is: true [2020-07-21 10:39:24,649 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 826 833) no Hoare annotation was computed. [2020-07-21 10:39:24,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:39:24 BoogieIcfgContainer [2020-07-21 10:39:24,685 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:39:24,687 INFO L168 Benchmark]: Toolchain (without parser) took 18863.72 ms. Allocated memory was 136.8 MB in the beginning and 427.3 MB in the end (delta: 290.5 MB). Free memory was 100.2 MB in the beginning and 392.1 MB in the end (delta: -291.9 MB). Peak memory consumption was 312.0 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:24,688 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:39:24,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.81 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 99.7 MB in the beginning and 165.0 MB in the end (delta: -65.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:24,689 INFO L168 Benchmark]: Boogie Preprocessor took 92.15 ms. Allocated memory is still 198.7 MB. Free memory was 165.0 MB in the beginning and 160.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:24,690 INFO L168 Benchmark]: RCFGBuilder took 3285.70 ms. Allocated memory was 198.7 MB in the beginning and 229.1 MB in the end (delta: 30.4 MB). Free memory was 160.8 MB in the beginning and 186.8 MB in the end (delta: -26.0 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:24,691 INFO L168 Benchmark]: TraceAbstraction took 14807.79 ms. Allocated memory was 229.1 MB in the beginning and 427.3 MB in the end (delta: 198.2 MB). Free memory was 186.8 MB in the beginning and 392.1 MB in the end (delta: -205.3 MB). Peak memory consumption was 306.3 MB. Max. memory is 7.1 GB. [2020-07-21 10:39:24,695 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 136.8 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.81 ms. Allocated memory was 136.8 MB in the beginning and 198.7 MB in the end (delta: 61.9 MB). Free memory was 99.7 MB in the beginning and 165.0 MB in the end (delta: -65.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.15 ms. Allocated memory is still 198.7 MB. Free memory was 165.0 MB in the beginning and 160.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3285.70 ms. Allocated memory was 198.7 MB in the beginning and 229.1 MB in the end (delta: 30.4 MB). Free memory was 160.8 MB in the beginning and 186.8 MB in the end (delta: -26.0 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14807.79 ms. Allocated memory was 229.1 MB in the beginning and 427.3 MB in the end (delta: 198.2 MB). Free memory was 186.8 MB in the beginning and 392.1 MB in the end (delta: -205.3 MB). Peak memory consumption was 306.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 830]: 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: 885]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive))) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 9.6s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2088 SDtfs, 1072 SDslu, 3793 SDs, 0 SdLazy, 1902 SolverSat, 338 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1194 GetRequests, 1135 SyntacticMatches, 6 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=996occurred 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 384 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 1641 PreInvPairs, 1740 NumberOfFragments, 2006 HoareAnnotationTreeSize, 1641 FomulaSimplifications, 2010 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 70 FomulaSimplificationsInter, 7117 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1009 NumberOfCodeBlocks, 1009 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1170 ConstructedInterpolants, 0 QuantifiedInterpolants, 258506 SizeOfPredicates, 26 NumberOfNonLiveVariables, 8003 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 11 InterpolantComputations, 9 PerfectInterpolantSequences, 119/141 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...