/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:02:56,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:02:56,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:02:56,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:02:56,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:02:56,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:02:56,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:02:56,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:02:56,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:02:56,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:02:56,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:02:56,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:02:56,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:02:56,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:02:56,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:02:56,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:02:56,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:02:56,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:02:56,480 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:02:56,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:02:56,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:02:56,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:02:56,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:02:56,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:02:56,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:02:56,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:02:56,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:02:56,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:02:56,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:02:56,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:02:56,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:02:56,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:02:56,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:02:56,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:02:56,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:02:56,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:02:56,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:02:56,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:02:56,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:02:56,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:02:56,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:02:56,510 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 [2019-11-07 01:02:56,545 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:02:56,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:02:56,546 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:02:56,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:02:56,547 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:02:56,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:02:56,547 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:02:56,547 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:02:56,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:02:56,548 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:02:56,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:02:56,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:02:56,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:02:56,548 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:02:56,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:02:56,552 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:02:56,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:02:56,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:02:56,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:02:56,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:02:56,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:02:56,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:02:56,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:02:56,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:02:56,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:02:56,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:02:56,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:02:56,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:02:56,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:02:56,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:02:56,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:02:56,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:02:56,863 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:02:56,864 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:02:56,865 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2019-11-07 01:02:56,944 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98c074032/981f2d2254c540bfa72d327b72d5bb84/FLAG5591a1c25 [2019-11-07 01:02:57,492 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:02:57,493 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2019-11-07 01:02:57,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98c074032/981f2d2254c540bfa72d327b72d5bb84/FLAG5591a1c25 [2019-11-07 01:02:57,806 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98c074032/981f2d2254c540bfa72d327b72d5bb84 [2019-11-07 01:02:57,816 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:02:57,817 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:02:57,818 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:02:57,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:02:57,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:02:57,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:02:57" (1/1) ... [2019-11-07 01:02:57,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d97285e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:57, skipping insertion in model container [2019-11-07 01:02:57,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:02:57" (1/1) ... [2019-11-07 01:02:57,834 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:02:57,893 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:02:58,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:02:58,363 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:02:58,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:02:58,556 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:02:58,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58 WrapperNode [2019-11-07 01:02:58,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:02:58,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:02:58,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:02:58,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:02:58,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (1/1) ... [2019-11-07 01:02:58,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (1/1) ... [2019-11-07 01:02:58,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (1/1) ... [2019-11-07 01:02:58,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (1/1) ... [2019-11-07 01:02:58,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (1/1) ... [2019-11-07 01:02:58,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (1/1) ... [2019-11-07 01:02:58,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (1/1) ... [2019-11-07 01:02:58,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:02:58,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:02:58,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:02:58,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:02:58,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (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 [2019-11-07 01:02:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:02:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:02:58,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:02:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:02:58,725 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:02:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:02:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:02:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:02:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:02:58,728 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:02:58,728 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:02:58,728 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:02:58,728 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:02:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:02:58,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:02:58,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:02:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:02:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 01:02:58,732 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 01:02:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:02:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:02:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:02:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:02:58,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:02:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:02:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 01:02:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 01:02:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 01:02:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:02:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:02:58,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:02:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:02:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:02:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:02:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:02:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:02:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:02:58,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:02:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:02:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:02:58,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 01:02:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:02:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:02:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:02:58,736 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:02:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:02:58,737 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:02:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:02:58,738 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:02:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:02:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:02:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:02:58,739 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 01:02:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:02:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:02:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:02:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:02:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:02:58,740 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 01:02:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 01:02:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 01:02:58,741 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:02:58,742 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:02:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 01:02:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 01:02:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:02:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:02:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:02:58,743 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:02:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:02:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:02:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:02:58,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 01:02:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:02:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:02:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:02:58,745 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:02:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:02:58,746 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:02:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:02:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:02:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:02:58,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:02:58,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:02:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:02:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:02:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:02:58,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:02:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:02:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:02:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:02:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:02:58,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:02:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:02:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:02:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:02:59,873 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:02:59,873 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:02:59,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:02:59 BoogieIcfgContainer [2019-11-07 01:02:59,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:02:59,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:02:59,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:02:59,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:02:59,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:02:57" (1/3) ... [2019-11-07 01:02:59,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3b13e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:02:59, skipping insertion in model container [2019-11-07 01:02:59,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:02:58" (2/3) ... [2019-11-07 01:02:59,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c3b13e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:02:59, skipping insertion in model container [2019-11-07 01:02:59,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:02:59" (3/3) ... [2019-11-07 01:02:59,886 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2019-11-07 01:02:59,897 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:02:59,908 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:02:59,920 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:02:59,961 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:02:59,962 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:02:59,962 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:02:59,962 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:02:59,962 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:02:59,962 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:02:59,963 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:02:59,963 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:02:59,995 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2019-11-07 01:03:00,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-07 01:03:00,006 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:00,008 INFO L410 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] [2019-11-07 01:03:00,010 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:00,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:00,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1474572721, now seen corresponding path program 1 times [2019-11-07 01:03:00,026 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:00,026 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394104511] [2019-11-07 01:03:00,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:00,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:00,437 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394104511] [2019-11-07 01:03:00,438 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:00,438 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:03:00,439 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566289762] [2019-11-07 01:03:00,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:03:00,447 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:00,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:03:00,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:03:00,465 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 2 states. [2019-11-07 01:03:00,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:00,508 INFO L93 Difference]: Finished difference Result 280 states and 347 transitions. [2019-11-07 01:03:00,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:03:00,510 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-11-07 01:03:00,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:00,522 INFO L225 Difference]: With dead ends: 280 [2019-11-07 01:03:00,522 INFO L226 Difference]: Without dead ends: 142 [2019-11-07 01:03:00,530 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:03:00,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2019-11-07 01:03:00,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2019-11-07 01:03:00,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2019-11-07 01:03:00,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2019-11-07 01:03:00,588 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 59 [2019-11-07 01:03:00,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:00,589 INFO L462 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2019-11-07 01:03:00,589 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:03:00,589 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2019-11-07 01:03:00,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-07 01:03:00,597 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:00,598 INFO L410 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] [2019-11-07 01:03:00,598 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:00,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:00,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1068721091, now seen corresponding path program 1 times [2019-11-07 01:03:00,601 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:00,601 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173043679] [2019-11-07 01:03:00,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:00,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:00,783 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173043679] [2019-11-07 01:03:00,783 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:00,784 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:03:00,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27237980] [2019-11-07 01:03:00,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:03:00,788 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:00,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:03:00,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:03:00,789 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 3 states. [2019-11-07 01:03:00,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:00,825 INFO L93 Difference]: Finished difference Result 223 states and 261 transitions. [2019-11-07 01:03:00,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:03:00,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-11-07 01:03:00,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:00,832 INFO L225 Difference]: With dead ends: 223 [2019-11-07 01:03:00,833 INFO L226 Difference]: Without dead ends: 133 [2019-11-07 01:03:00,836 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:03:00,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-11-07 01:03:00,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-11-07 01:03:00,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-11-07 01:03:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 155 transitions. [2019-11-07 01:03:00,859 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 155 transitions. Word has length 60 [2019-11-07 01:03:00,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:00,860 INFO L462 AbstractCegarLoop]: Abstraction has 133 states and 155 transitions. [2019-11-07 01:03:00,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:03:00,861 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 155 transitions. [2019-11-07 01:03:00,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-07 01:03:00,863 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:00,863 INFO L410 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] [2019-11-07 01:03:00,864 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:00,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:00,864 INFO L82 PathProgramCache]: Analyzing trace with hash -902835711, now seen corresponding path program 1 times [2019-11-07 01:03:00,864 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:00,865 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225082860] [2019-11-07 01:03:00,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:01,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:01,036 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225082860] [2019-11-07 01:03:01,037 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:01,037 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:03:01,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482626289] [2019-11-07 01:03:01,038 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:03:01,038 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:01,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:03:01,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:03:01,039 INFO L87 Difference]: Start difference. First operand 133 states and 155 transitions. Second operand 7 states. [2019-11-07 01:03:01,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:01,655 INFO L93 Difference]: Finished difference Result 399 states and 483 transitions. [2019-11-07 01:03:01,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 01:03:01,656 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-11-07 01:03:01,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:01,665 INFO L225 Difference]: With dead ends: 399 [2019-11-07 01:03:01,665 INFO L226 Difference]: Without dead ends: 294 [2019-11-07 01:03:01,670 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:03:01,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-11-07 01:03:01,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 286. [2019-11-07 01:03:01,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2019-11-07 01:03:01,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 346 transitions. [2019-11-07 01:03:01,738 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 346 transitions. Word has length 64 [2019-11-07 01:03:01,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:01,738 INFO L462 AbstractCegarLoop]: Abstraction has 286 states and 346 transitions. [2019-11-07 01:03:01,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:03:01,739 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 346 transitions. [2019-11-07 01:03:01,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-07 01:03:01,741 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:01,742 INFO L410 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] [2019-11-07 01:03:01,742 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:01,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:01,742 INFO L82 PathProgramCache]: Analyzing trace with hash -2087202736, now seen corresponding path program 1 times [2019-11-07 01:03:01,743 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:01,743 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428899572] [2019-11-07 01:03:01,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:01,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:03:01,907 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428899572] [2019-11-07 01:03:01,907 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:01,908 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:03:01,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697594698] [2019-11-07 01:03:01,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:03:01,909 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:01,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:03:01,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:03:01,910 INFO L87 Difference]: Start difference. First operand 286 states and 346 transitions. Second operand 7 states. [2019-11-07 01:03:02,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:02,668 INFO L93 Difference]: Finished difference Result 723 states and 942 transitions. [2019-11-07 01:03:02,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 01:03:02,700 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-11-07 01:03:02,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:02,706 INFO L225 Difference]: With dead ends: 723 [2019-11-07 01:03:02,707 INFO L226 Difference]: Without dead ends: 465 [2019-11-07 01:03:02,709 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 01:03:02,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-11-07 01:03:02,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 412. [2019-11-07 01:03:02,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2019-11-07 01:03:02,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 497 transitions. [2019-11-07 01:03:02,759 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 497 transitions. Word has length 70 [2019-11-07 01:03:02,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:02,761 INFO L462 AbstractCegarLoop]: Abstraction has 412 states and 497 transitions. [2019-11-07 01:03:02,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:03:02,765 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 497 transitions. [2019-11-07 01:03:02,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-07 01:03:02,772 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:02,772 INFO L410 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] [2019-11-07 01:03:02,772 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:02,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:02,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1962075473, now seen corresponding path program 1 times [2019-11-07 01:03:02,776 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:02,776 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411453671] [2019-11-07 01:03:02,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:02,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:02,901 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411453671] [2019-11-07 01:03:02,902 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:02,902 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 01:03:02,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751145811] [2019-11-07 01:03:02,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 01:03:02,903 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:02,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:03:02,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:03:02,904 INFO L87 Difference]: Start difference. First operand 412 states and 497 transitions. Second operand 4 states. [2019-11-07 01:03:03,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:03,224 INFO L93 Difference]: Finished difference Result 1482 states and 1906 transitions. [2019-11-07 01:03:03,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 01:03:03,225 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2019-11-07 01:03:03,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:03,234 INFO L225 Difference]: With dead ends: 1482 [2019-11-07 01:03:03,234 INFO L226 Difference]: Without dead ends: 1098 [2019-11-07 01:03:03,236 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 01:03:03,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2019-11-07 01:03:03,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1072. [2019-11-07 01:03:03,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2019-11-07 01:03:03,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1347 transitions. [2019-11-07 01:03:03,319 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1347 transitions. Word has length 92 [2019-11-07 01:03:03,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:03,320 INFO L462 AbstractCegarLoop]: Abstraction has 1072 states and 1347 transitions. [2019-11-07 01:03:03,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 01:03:03,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1347 transitions. [2019-11-07 01:03:03,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-07 01:03:03,323 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:03,323 INFO L410 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] [2019-11-07 01:03:03,323 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:03,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:03,324 INFO L82 PathProgramCache]: Analyzing trace with hash 236594576, now seen corresponding path program 1 times [2019-11-07 01:03:03,324 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:03,324 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542792463] [2019-11-07 01:03:03,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:03,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:03,402 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542792463] [2019-11-07 01:03:03,403 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:03,403 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 01:03:03,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387594858] [2019-11-07 01:03:03,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 01:03:03,404 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:03,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 01:03:03,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 01:03:03,405 INFO L87 Difference]: Start difference. First operand 1072 states and 1347 transitions. Second operand 6 states. [2019-11-07 01:03:03,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:03,507 INFO L93 Difference]: Finished difference Result 2146 states and 2756 transitions. [2019-11-07 01:03:03,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:03:03,508 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2019-11-07 01:03:03,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:03,516 INFO L225 Difference]: With dead ends: 2146 [2019-11-07 01:03:03,517 INFO L226 Difference]: Without dead ends: 1102 [2019-11-07 01:03:03,520 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:03:03,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2019-11-07 01:03:03,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1102. [2019-11-07 01:03:03,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1102 states. [2019-11-07 01:03:03,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1379 transitions. [2019-11-07 01:03:03,593 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1379 transitions. Word has length 92 [2019-11-07 01:03:03,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:03,594 INFO L462 AbstractCegarLoop]: Abstraction has 1102 states and 1379 transitions. [2019-11-07 01:03:03,594 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 01:03:03,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1379 transitions. [2019-11-07 01:03:03,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-07 01:03:03,596 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:03,597 INFO L410 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] [2019-11-07 01:03:03,597 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:03,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:03,597 INFO L82 PathProgramCache]: Analyzing trace with hash 938194450, now seen corresponding path program 1 times [2019-11-07 01:03:03,598 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:03,598 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274295243] [2019-11-07 01:03:03,598 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:03,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:03,682 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274295243] [2019-11-07 01:03:03,682 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:03,683 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 01:03:03,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112620736] [2019-11-07 01:03:03,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 01:03:03,684 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:03,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 01:03:03,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:03:03,684 INFO L87 Difference]: Start difference. First operand 1102 states and 1379 transitions. Second operand 8 states. [2019-11-07 01:03:03,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:03,759 INFO L93 Difference]: Finished difference Result 2037 states and 2619 transitions. [2019-11-07 01:03:03,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 01:03:03,760 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2019-11-07 01:03:03,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:03,766 INFO L225 Difference]: With dead ends: 2037 [2019-11-07 01:03:03,767 INFO L226 Difference]: Without dead ends: 963 [2019-11-07 01:03:03,770 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 01:03:03,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2019-11-07 01:03:03,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963. [2019-11-07 01:03:03,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2019-11-07 01:03:03,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1182 transitions. [2019-11-07 01:03:03,833 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1182 transitions. Word has length 92 [2019-11-07 01:03:03,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:03,834 INFO L462 AbstractCegarLoop]: Abstraction has 963 states and 1182 transitions. [2019-11-07 01:03:03,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 01:03:03,834 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1182 transitions. [2019-11-07 01:03:03,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-07 01:03:03,836 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:03,836 INFO L410 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] [2019-11-07 01:03:03,837 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:03,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:03,837 INFO L82 PathProgramCache]: Analyzing trace with hash -711915603, now seen corresponding path program 1 times [2019-11-07 01:03:03,837 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:03,838 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078103148] [2019-11-07 01:03:03,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:04,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 01:03:04,024 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078103148] [2019-11-07 01:03:04,024 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:03:04,025 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 01:03:04,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286101819] [2019-11-07 01:03:04,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:03:04,027 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:04,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:03:04,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:03:04,028 INFO L87 Difference]: Start difference. First operand 963 states and 1182 transitions. Second operand 9 states. [2019-11-07 01:03:05,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:05,278 INFO L93 Difference]: Finished difference Result 2626 states and 3384 transitions. [2019-11-07 01:03:05,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-07 01:03:05,279 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2019-11-07 01:03:05,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:05,300 INFO L225 Difference]: With dead ends: 2626 [2019-11-07 01:03:05,300 INFO L226 Difference]: Without dead ends: 1873 [2019-11-07 01:03:05,306 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:05,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1873 states. [2019-11-07 01:03:05,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1648. [2019-11-07 01:03:05,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1648 states. [2019-11-07 01:03:05,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 1993 transitions. [2019-11-07 01:03:05,466 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 1993 transitions. Word has length 96 [2019-11-07 01:03:05,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:05,467 INFO L462 AbstractCegarLoop]: Abstraction has 1648 states and 1993 transitions. [2019-11-07 01:03:05,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:03:05,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 1993 transitions. [2019-11-07 01:03:05,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-07 01:03:05,472 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:03:05,472 INFO L410 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] [2019-11-07 01:03:05,472 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:03:05,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:05,473 INFO L82 PathProgramCache]: Analyzing trace with hash 69794205, now seen corresponding path program 1 times [2019-11-07 01:03:05,473 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:03:05,473 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817438027] [2019-11-07 01:03:05,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:03:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:05,683 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-07 01:03:05,684 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817438027] [2019-11-07 01:03:05,685 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856011035] [2019-11-07 01:03:05,685 INFO L94 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 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:03:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:03:05,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 923 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-07 01:03:05,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:03:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:03:06,094 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:03:06,501 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-07 01:03:06,502 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [347097764] [2019-11-07 01:03:06,509 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 156 [2019-11-07 01:03:06,564 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:03:06,564 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:03:06,632 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:03:06,634 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-11-07 01:03:06,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:03:06,639 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:03:06,739 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:03:06,740 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:03:06,747 INFO L553 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2019-11-07 01:03:06,747 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:03:06,748 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:03:06,748 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-11-07 01:03:06,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033195364] [2019-11-07 01:03:06,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:03:06,750 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:03:06,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:03:06,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:06,751 INFO L87 Difference]: Start difference. First operand 1648 states and 1993 transitions. Second operand 2 states. [2019-11-07 01:03:06,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:03:06,774 INFO L93 Difference]: Finished difference Result 1648 states and 1993 transitions. [2019-11-07 01:03:06,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:03:06,775 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 155 [2019-11-07 01:03:06,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:03:06,775 INFO L225 Difference]: With dead ends: 1648 [2019-11-07 01:03:06,776 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:03:06,780 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 300 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:03:06,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:03:06,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:03:06,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:03:06,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:03:06,781 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-11-07 01:03:06,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:03:06,781 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:03:06,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:03:06,782 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:03:06,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:03:06,986 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:03:06,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:03:07,515 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 600) no Hoare annotation was computed. [2019-11-07 01:03:07,516 INFO L443 ceAbstractionStarter]: For program point L596-1(lines 596 600) no Hoare annotation was computed. [2019-11-07 01:03:07,516 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 565 620) no Hoare annotation was computed. [2019-11-07 01:03:07,516 INFO L443 ceAbstractionStarter]: For program point L591(line 591) no Hoare annotation was computed. [2019-11-07 01:03:07,516 INFO L443 ceAbstractionStarter]: For program point L590-2(lines 590 611) no Hoare annotation was computed. [2019-11-07 01:03:07,517 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 565 620) no Hoare annotation was computed. [2019-11-07 01:03:07,517 INFO L443 ceAbstractionStarter]: For program point L612(lines 589 613) no Hoare annotation was computed. [2019-11-07 01:03:07,517 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 565 620) no Hoare annotation was computed. [2019-11-07 01:03:07,517 INFO L443 ceAbstractionStarter]: For program point L673(lines 646 674) no Hoare annotation was computed. [2019-11-07 01:03:07,518 INFO L443 ceAbstractionStarter]: For program point L666(line 666) no Hoare annotation was computed. [2019-11-07 01:03:07,518 INFO L443 ceAbstractionStarter]: For program point L666-1(line 666) no Hoare annotation was computed. [2019-11-07 01:03:07,518 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 621 680) no Hoare annotation was computed. [2019-11-07 01:03:07,518 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 621 680) no Hoare annotation was computed. [2019-11-07 01:03:07,518 INFO L443 ceAbstractionStarter]: For program point L653(lines 653 657) no Hoare annotation was computed. [2019-11-07 01:03:07,519 INFO L443 ceAbstractionStarter]: For program point L653-1(lines 653 657) no Hoare annotation was computed. [2019-11-07 01:03:07,519 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 621 680) no Hoare annotation was computed. [2019-11-07 01:03:07,519 INFO L443 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2019-11-07 01:03:07,519 INFO L443 ceAbstractionStarter]: For program point L647-2(lines 647 672) no Hoare annotation was computed. [2019-11-07 01:03:07,520 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2019-11-07 01:03:07,520 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2019-11-07 01:03:07,520 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2019-11-07 01:03:07,520 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2019-11-07 01:03:07,520 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2019-11-07 01:03:07,521 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 465 472) the Hoare annotation is: true [2019-11-07 01:03:07,521 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 465 472) no Hoare annotation was computed. [2019-11-07 01:03:07,521 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 465 472) no Hoare annotation was computed. [2019-11-07 01:03:07,521 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 473 482) the Hoare annotation is: true [2019-11-07 01:03:07,521 INFO L443 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-07 01:03:07,522 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 473 482) no Hoare annotation was computed. [2019-11-07 01:03:07,522 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 473 482) no Hoare annotation was computed. [2019-11-07 01:03:07,522 INFO L446 ceAbstractionStarter]: At program point L498(line 498) the Hoare annotation is: true [2019-11-07 01:03:07,523 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 483 511) the Hoare annotation is: true [2019-11-07 01:03:07,523 INFO L443 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2019-11-07 01:03:07,523 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 505) no Hoare annotation was computed. [2019-11-07 01:03:07,524 INFO L446 ceAbstractionStarter]: At program point L493(line 493) the Hoare annotation is: true [2019-11-07 01:03:07,524 INFO L443 ceAbstractionStarter]: For program point L493-1(line 493) no Hoare annotation was computed. [2019-11-07 01:03:07,524 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 483 511) no Hoare annotation was computed. [2019-11-07 01:03:07,524 INFO L443 ceAbstractionStarter]: For program point L491(lines 491 508) no Hoare annotation was computed. [2019-11-07 01:03:07,524 INFO L443 ceAbstractionStarter]: For program point L491-1(lines 483 511) no Hoare annotation was computed. [2019-11-07 01:03:07,525 INFO L446 ceAbstractionStarter]: At program point L489(line 489) the Hoare annotation is: true [2019-11-07 01:03:07,525 INFO L443 ceAbstractionStarter]: For program point L489-1(line 489) no Hoare annotation was computed. [2019-11-07 01:03:07,525 INFO L446 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: true [2019-11-07 01:03:07,525 INFO L446 ceAbstractionStarter]: At program point L384-1(line 384) the Hoare annotation is: true [2019-11-07 01:03:07,525 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 389) no Hoare annotation was computed. [2019-11-07 01:03:07,525 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 372 394) the Hoare annotation is: true [2019-11-07 01:03:07,526 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 389) no Hoare annotation was computed. [2019-11-07 01:03:07,526 INFO L443 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2019-11-07 01:03:07,526 INFO L446 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: true [2019-11-07 01:03:07,526 INFO L446 ceAbstractionStarter]: At program point L378(line 378) the Hoare annotation is: true [2019-11-07 01:03:07,526 INFO L446 ceAbstractionStarter]: At program point L378-1(line 378) the Hoare annotation is: true [2019-11-07 01:03:07,528 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 372 394) no Hoare annotation was computed. [2019-11-07 01:03:07,528 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 372 394) no Hoare annotation was computed. [2019-11-07 01:03:07,528 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 328 351) no Hoare annotation was computed. [2019-11-07 01:03:07,528 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 328 351) no Hoare annotation was computed. [2019-11-07 01:03:07,529 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 328 351) no Hoare annotation was computed. [2019-11-07 01:03:07,529 INFO L443 ceAbstractionStarter]: For program point L346(line 346) no Hoare annotation was computed. [2019-11-07 01:03:07,529 INFO L443 ceAbstractionStarter]: For program point L345(line 345) no Hoare annotation was computed. [2019-11-07 01:03:07,529 INFO L443 ceAbstractionStarter]: For program point L344(line 344) no Hoare annotation was computed. [2019-11-07 01:03:07,529 INFO L443 ceAbstractionStarter]: For program point L343(line 343) no Hoare annotation was computed. [2019-11-07 01:03:07,529 INFO L443 ceAbstractionStarter]: For program point L342(line 342) no Hoare annotation was computed. [2019-11-07 01:03:07,530 INFO L443 ceAbstractionStarter]: For program point L341(line 341) no Hoare annotation was computed. [2019-11-07 01:03:07,530 INFO L443 ceAbstractionStarter]: For program point L340(line 340) no Hoare annotation was computed. [2019-11-07 01:03:07,530 INFO L443 ceAbstractionStarter]: For program point L339(line 339) no Hoare annotation was computed. [2019-11-07 01:03:07,530 INFO L443 ceAbstractionStarter]: For program point L338(line 338) no Hoare annotation was computed. [2019-11-07 01:03:07,530 INFO L443 ceAbstractionStarter]: For program point L337(line 337) no Hoare annotation was computed. [2019-11-07 01:03:07,530 INFO L443 ceAbstractionStarter]: For program point L336(line 336) no Hoare annotation was computed. [2019-11-07 01:03:07,531 INFO L443 ceAbstractionStarter]: For program point L335(line 335) no Hoare annotation was computed. [2019-11-07 01:03:07,531 INFO L443 ceAbstractionStarter]: For program point L334(line 334) no Hoare annotation was computed. [2019-11-07 01:03:07,531 INFO L443 ceAbstractionStarter]: For program point L333(line 333) no Hoare annotation was computed. [2019-11-07 01:03:07,531 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 279 293) no Hoare annotation was computed. [2019-11-07 01:03:07,531 INFO L446 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: true [2019-11-07 01:03:07,531 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 289) no Hoare annotation was computed. [2019-11-07 01:03:07,531 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 279 293) the Hoare annotation is: true [2019-11-07 01:03:07,532 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 279 293) no Hoare annotation was computed. [2019-11-07 01:03:07,532 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 215 223) no Hoare annotation was computed. [2019-11-07 01:03:07,532 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 215 223) the Hoare annotation is: true [2019-11-07 01:03:07,532 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 215 223) no Hoare annotation was computed. [2019-11-07 01:03:07,532 INFO L443 ceAbstractionStarter]: For program point L254(line 254) no Hoare annotation was computed. [2019-11-07 01:03:07,532 INFO L443 ceAbstractionStarter]: For program point L254-1(line 254) no Hoare annotation was computed. [2019-11-07 01:03:07,532 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 251) no Hoare annotation was computed. [2019-11-07 01:03:07,532 INFO L443 ceAbstractionStarter]: For program point L243-2(lines 243 251) no Hoare annotation was computed. [2019-11-07 01:03:07,533 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 224 259) no Hoare annotation was computed. [2019-11-07 01:03:07,533 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 239) no Hoare annotation was computed. [2019-11-07 01:03:07,533 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 224 259) no Hoare annotation was computed. [2019-11-07 01:03:07,533 INFO L443 ceAbstractionStarter]: For program point L231-2(lines 231 239) no Hoare annotation was computed. [2019-11-07 01:03:07,533 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 224 259) no Hoare annotation was computed. [2019-11-07 01:03:07,533 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2019-11-07 01:03:07,533 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2019-11-07 01:03:07,534 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 519 564) no Hoare annotation was computed. [2019-11-07 01:03:07,534 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 519 564) no Hoare annotation was computed. [2019-11-07 01:03:07,534 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 519 564) no Hoare annotation was computed. [2019-11-07 01:03:07,534 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 832 877) no Hoare annotation was computed. [2019-11-07 01:03:07,534 INFO L443 ceAbstractionStarter]: For program point L852(lines 852 859) no Hoare annotation was computed. [2019-11-07 01:03:07,534 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 866) no Hoare annotation was computed. [2019-11-07 01:03:07,534 INFO L443 ceAbstractionStarter]: For program point L846-1(lines 846 866) no Hoare annotation was computed. [2019-11-07 01:03:07,534 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 832 877) no Hoare annotation was computed. [2019-11-07 01:03:07,535 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 832 877) no Hoare annotation was computed. [2019-11-07 01:03:07,535 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 361 371) the Hoare annotation is: true [2019-11-07 01:03:07,535 INFO L446 ceAbstractionStarter]: At program point L366(line 366) the Hoare annotation is: true [2019-11-07 01:03:07,535 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 361 371) no Hoare annotation was computed. [2019-11-07 01:03:07,535 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 361 371) no Hoare annotation was computed. [2019-11-07 01:03:07,535 INFO L446 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: true [2019-11-07 01:03:07,535 INFO L443 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2019-11-07 01:03:07,536 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 204 214) the Hoare annotation is: true [2019-11-07 01:03:07,536 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 204 214) no Hoare annotation was computed. [2019-11-07 01:03:07,536 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 204 214) no Hoare annotation was computed. [2019-11-07 01:03:07,536 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 196 203) the Hoare annotation is: true [2019-11-07 01:03:07,536 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 196 203) no Hoare annotation was computed. [2019-11-07 01:03:07,536 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 196 203) no Hoare annotation was computed. [2019-11-07 01:03:07,536 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 958 971) no Hoare annotation was computed. [2019-11-07 01:03:07,536 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 958 971) the Hoare annotation is: true [2019-11-07 01:03:07,537 INFO L443 ceAbstractionStarter]: For program point L962(lines 962 968) no Hoare annotation was computed. [2019-11-07 01:03:07,537 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 958 971) no Hoare annotation was computed. [2019-11-07 01:03:07,537 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 163 187) no Hoare annotation was computed. [2019-11-07 01:03:07,537 INFO L446 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2019-11-07 01:03:07,537 INFO L443 ceAbstractionStarter]: For program point L182-1(lines 163 187) no Hoare annotation was computed. [2019-11-07 01:03:07,537 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 163 187) the Hoare annotation is: true [2019-11-07 01:03:07,537 INFO L446 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: true [2019-11-07 01:03:07,538 INFO L446 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: true [2019-11-07 01:03:07,538 INFO L443 ceAbstractionStarter]: For program point L171(lines 171 179) no Hoare annotation was computed. [2019-11-07 01:03:07,538 INFO L446 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: true [2019-11-07 01:03:07,538 INFO L443 ceAbstractionStarter]: For program point L169-1(line 169) no Hoare annotation was computed. [2019-11-07 01:03:07,538 INFO L443 ceAbstractionStarter]: For program point L167(lines 167 184) no Hoare annotation was computed. [2019-11-07 01:03:07,538 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 129 135) no Hoare annotation was computed. [2019-11-07 01:03:07,538 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 129 135) the Hoare annotation is: true [2019-11-07 01:03:07,538 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 396 461) the Hoare annotation is: true [2019-11-07 01:03:07,539 INFO L446 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2019-11-07 01:03:07,539 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 448) no Hoare annotation was computed. [2019-11-07 01:03:07,539 INFO L446 ceAbstractionStarter]: At program point L442-1(lines 436 449) the Hoare annotation is: true [2019-11-07 01:03:07,539 INFO L443 ceAbstractionStarter]: For program point L407(lines 406 453) no Hoare annotation was computed. [2019-11-07 01:03:07,539 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 396 461) no Hoare annotation was computed. [2019-11-07 01:03:07,539 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 449) no Hoare annotation was computed. [2019-11-07 01:03:07,539 INFO L446 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: true [2019-11-07 01:03:07,539 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 432) no Hoare annotation was computed. [2019-11-07 01:03:07,539 INFO L443 ceAbstractionStarter]: For program point L426-1(lines 426 432) no Hoare annotation was computed. [2019-11-07 01:03:07,540 INFO L446 ceAbstractionStarter]: At program point L451(lines 406 453) the Hoare annotation is: true [2019-11-07 01:03:07,540 INFO L446 ceAbstractionStarter]: At program point L418(line 418) the Hoare annotation is: true [2019-11-07 01:03:07,540 INFO L443 ceAbstractionStarter]: For program point L416(lines 416 422) no Hoare annotation was computed. [2019-11-07 01:03:07,540 INFO L443 ceAbstractionStarter]: For program point L416-1(lines 416 422) no Hoare annotation was computed. [2019-11-07 01:03:07,540 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 412) no Hoare annotation was computed. [2019-11-07 01:03:07,540 INFO L446 ceAbstractionStarter]: At program point L454(lines 405 455) the Hoare annotation is: true [2019-11-07 01:03:07,540 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 396 461) no Hoare annotation was computed. [2019-11-07 01:03:07,540 INFO L443 ceAbstractionStarter]: For program point L800(lines 800 820) no Hoare annotation was computed. [2019-11-07 01:03:07,541 INFO L443 ceAbstractionStarter]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2019-11-07 01:03:07,541 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 786 831) no Hoare annotation was computed. [2019-11-07 01:03:07,541 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 786 831) no Hoare annotation was computed. [2019-11-07 01:03:07,541 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 786 831) no Hoare annotation was computed. [2019-11-07 01:03:07,541 INFO L443 ceAbstractionStarter]: For program point L806(lines 806 813) no Hoare annotation was computed. [2019-11-07 01:03:07,541 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 926 948) no Hoare annotation was computed. [2019-11-07 01:03:07,541 INFO L443 ceAbstractionStarter]: For program point L934(lines 934 942) no Hoare annotation was computed. [2019-11-07 01:03:07,542 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 926 948) no Hoare annotation was computed. [2019-11-07 01:03:07,542 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 926 948) no Hoare annotation was computed. [2019-11-07 01:03:07,542 INFO L443 ceAbstractionStarter]: For program point L934-2(lines 934 942) no Hoare annotation was computed. [2019-11-07 01:03:07,542 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 53 62) no Hoare annotation was computed. [2019-11-07 01:03:07,542 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 53 62) no Hoare annotation was computed. [2019-11-07 01:03:07,543 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 53 62) no Hoare annotation was computed. [2019-11-07 01:03:07,543 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 683 785) no Hoare annotation was computed. [2019-11-07 01:03:07,543 INFO L443 ceAbstractionStarter]: For program point L733(lines 732 752) no Hoare annotation was computed. [2019-11-07 01:03:07,543 INFO L443 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2019-11-07 01:03:07,543 INFO L443 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2019-11-07 01:03:07,544 INFO L443 ceAbstractionStarter]: For program point L729(lines 729 770) no Hoare annotation was computed. [2019-11-07 01:03:07,544 INFO L443 ceAbstractionStarter]: For program point L748(line 748) no Hoare annotation was computed. [2019-11-07 01:03:07,544 INFO L443 ceAbstractionStarter]: For program point L748-1(line 748) no Hoare annotation was computed. [2019-11-07 01:03:07,544 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 683 785) no Hoare annotation was computed. [2019-11-07 01:03:07,544 INFO L443 ceAbstractionStarter]: For program point L707(lines 707 711) no Hoare annotation was computed. [2019-11-07 01:03:07,545 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 782) no Hoare annotation was computed. [2019-11-07 01:03:07,545 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2019-11-07 01:03:07,545 INFO L443 ceAbstractionStarter]: For program point L732-2(lines 732 752) no Hoare annotation was computed. [2019-11-07 01:03:07,545 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 683 785) no Hoare annotation was computed. [2019-11-07 01:03:07,546 INFO L443 ceAbstractionStarter]: For program point L753(lines 731 754) no Hoare annotation was computed. [2019-11-07 01:03:07,546 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 728) no Hoare annotation was computed. [2019-11-07 01:03:07,547 INFO L443 ceAbstractionStarter]: For program point L772(lines 772 779) no Hoare annotation was computed. [2019-11-07 01:03:07,547 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:07,547 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-11-07 01:03:07,547 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:07,548 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 188 195) no Hoare annotation was computed. [2019-11-07 01:03:07,548 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 188 195) no Hoare annotation was computed. [2019-11-07 01:03:07,548 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 188 195) the Hoare annotation is: true [2019-11-07 01:03:07,548 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 260 278) no Hoare annotation was computed. [2019-11-07 01:03:07,548 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 273) no Hoare annotation was computed. [2019-11-07 01:03:07,549 INFO L446 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: true [2019-11-07 01:03:07,549 INFO L443 ceAbstractionStarter]: For program point L269-2(lines 269 273) no Hoare annotation was computed. [2019-11-07 01:03:07,549 INFO L443 ceAbstractionStarter]: For program point L267-1(line 267) no Hoare annotation was computed. [2019-11-07 01:03:07,549 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 260 278) the Hoare annotation is: true [2019-11-07 01:03:07,549 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 260 278) no Hoare annotation was computed. [2019-11-07 01:03:07,550 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 949 957) the Hoare annotation is: true [2019-11-07 01:03:07,550 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 949 957) no Hoare annotation was computed. [2019-11-07 01:03:07,550 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 949 957) no Hoare annotation was computed. [2019-11-07 01:03:07,550 INFO L443 ceAbstractionStarter]: For program point L909-1(lines 905 916) no Hoare annotation was computed. [2019-11-07 01:03:07,550 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 905 916) the Hoare annotation is: true [2019-11-07 01:03:07,551 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 905 916) no Hoare annotation was computed. [2019-11-07 01:03:07,552 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:07,552 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:03:07,552 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:07,552 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 917 925) the Hoare annotation is: true [2019-11-07 01:03:07,553 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 917 925) no Hoare annotation was computed. [2019-11-07 01:03:07,553 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 917 925) no Hoare annotation was computed. [2019-11-07 01:03:07,553 INFO L446 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: true [2019-11-07 01:03:07,553 INFO L446 ceAbstractionStarter]: At program point L116(lines 116 122) the Hoare annotation is: true [2019-11-07 01:03:07,553 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 102 128) the Hoare annotation is: true [2019-11-07 01:03:07,554 INFO L446 ceAbstractionStarter]: At program point L111(line 111) the Hoare annotation is: true [2019-11-07 01:03:07,554 INFO L443 ceAbstractionStarter]: For program point L109(lines 105 127) no Hoare annotation was computed. [2019-11-07 01:03:07,554 INFO L443 ceAbstractionStarter]: For program point L107(lines 105 127) no Hoare annotation was computed. [2019-11-07 01:03:07,554 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 102 128) no Hoare annotation was computed. [2019-11-07 01:03:07,554 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 102 128) no Hoare annotation was computed. [2019-11-07 01:03:07,555 INFO L446 ceAbstractionStarter]: At program point L321(lines 296 325) the Hoare annotation is: true [2019-11-07 01:03:07,555 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 296 325) no Hoare annotation was computed. [2019-11-07 01:03:07,555 INFO L443 ceAbstractionStarter]: For program point L317(line 317) no Hoare annotation was computed. [2019-11-07 01:03:07,555 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 296 325) the Hoare annotation is: true [2019-11-07 01:03:07,556 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 314) no Hoare annotation was computed. [2019-11-07 01:03:07,557 INFO L446 ceAbstractionStarter]: At program point L310-1(lines 310 314) the Hoare annotation is: true [2019-11-07 01:03:07,557 INFO L443 ceAbstractionStarter]: For program point L307(line 307) no Hoare annotation was computed. [2019-11-07 01:03:07,557 INFO L446 ceAbstractionStarter]: At program point L306-2(lines 306 320) the Hoare annotation is: true [2019-11-07 01:03:07,557 INFO L446 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: true [2019-11-07 01:03:07,558 INFO L443 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2019-11-07 01:03:07,558 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 881 892) the Hoare annotation is: true [2019-11-07 01:03:07,558 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 881 892) no Hoare annotation was computed. [2019-11-07 01:03:07,558 INFO L443 ceAbstractionStarter]: For program point L885-1(lines 881 892) no Hoare annotation was computed. [2019-11-07 01:03:07,558 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 352 358) no Hoare annotation was computed. [2019-11-07 01:03:07,558 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 352 358) the Hoare annotation is: true [2019-11-07 01:03:07,558 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:03:07,559 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:03:07,559 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:03:07,559 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:03:07,560 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 137 161) the Hoare annotation is: true [2019-11-07 01:03:07,560 INFO L446 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: true [2019-11-07 01:03:07,560 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 137 161) no Hoare annotation was computed. [2019-11-07 01:03:07,560 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 137 161) no Hoare annotation was computed. [2019-11-07 01:03:07,560 INFO L446 ceAbstractionStarter]: At program point L151(line 151) the Hoare annotation is: true [2019-11-07 01:03:07,561 INFO L446 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: true [2019-11-07 01:03:07,561 INFO L443 ceAbstractionStarter]: For program point L145(lines 145 153) no Hoare annotation was computed. [2019-11-07 01:03:07,561 INFO L446 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: true [2019-11-07 01:03:07,561 INFO L443 ceAbstractionStarter]: For program point L143-1(line 143) no Hoare annotation was computed. [2019-11-07 01:03:07,561 INFO L443 ceAbstractionStarter]: For program point L141(lines 141 158) no Hoare annotation was computed. [2019-11-07 01:03:07,562 INFO L443 ceAbstractionStarter]: For program point L897-1(lines 893 904) no Hoare annotation was computed. [2019-11-07 01:03:07,562 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 893 904) no Hoare annotation was computed. [2019-11-07 01:03:07,562 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 893 904) the Hoare annotation is: true [2019-11-07 01:03:07,562 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-11-07 01:03:07,562 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-11-07 01:03:07,563 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-11-07 01:03:07,563 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-11-07 01:03:07,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:03:07 BoogieIcfgContainer [2019-11-07 01:03:07,585 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:03:07,590 INFO L168 Benchmark]: Toolchain (without parser) took 9771.87 ms. Allocated memory was 137.4 MB in the beginning and 342.9 MB in the end (delta: 205.5 MB). Free memory was 101.2 MB in the beginning and 147.1 MB in the end (delta: -45.8 MB). Peak memory consumption was 159.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:07,594 INFO L168 Benchmark]: CDTParser took 1.42 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-07 01:03:07,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 738.59 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 101.0 MB in the beginning and 169.4 MB in the end (delta: -68.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:07,597 INFO L168 Benchmark]: Boogie Preprocessor took 84.57 ms. Allocated memory is still 201.9 MB. Free memory was 169.4 MB in the beginning and 165.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:07,599 INFO L168 Benchmark]: RCFGBuilder took 1233.88 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 165.2 MB in the beginning and 196.5 MB in the end (delta: -31.3 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:07,607 INFO L168 Benchmark]: TraceAbstraction took 7708.03 ms. Allocated memory was 232.8 MB in the beginning and 342.9 MB in the end (delta: 110.1 MB). Free memory was 195.0 MB in the beginning and 147.1 MB in the end (delta: 47.9 MB). Peak memory consumption was 158.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:03:07,615 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 738.59 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 101.0 MB in the beginning and 169.4 MB in the end (delta: -68.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 84.57 ms. Allocated memory is still 201.9 MB. Free memory was 169.4 MB in the beginning and 165.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1233.88 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 165.2 MB in the beginning and 196.5 MB in the end (delta: -31.3 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7708.03 ms. Allocated memory was 232.8 MB in the beginning and 342.9 MB in the end (delta: 110.1 MB). Free memory was 195.0 MB in the beginning and 147.1 MB in the end (delta: 47.9 MB). Peak memory consumption was 158.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Result: SAFE, OverallTime: 7.6s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 1497 SDtfs, 1138 SDslu, 3347 SDs, 0 SdLazy, 1613 SolverSat, 335 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 411 GetRequests, 338 SyntacticMatches, 6 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1648occurred 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: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 312 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2195 PreInvPairs, 2196 NumberOfFragments, 74 HoareAnnotationTreeSize, 2195 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 64 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 935 NumberOfCodeBlocks, 935 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1079 ConstructedInterpolants, 0 QuantifiedInterpolants, 210000 SizeOfPredicates, 4 NumberOfNonLiveVariables, 923 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 121/150 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 131, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8311688311688312, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...