/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:43:17,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:43:17,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:43:17,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:43:17,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:43:17,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:43:17,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:43:17,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:43:17,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:43:17,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:43:17,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:43:17,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:43:17,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:43:17,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:43:17,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:43:17,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:43:17,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:43:17,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:43:17,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:43:17,388 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:43:17,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:43:17,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:43:17,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:43:17,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:43:17,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:43:17,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:43:17,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:43:17,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:43:17,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:43:17,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:43:17,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:43:17,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:43:17,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:43:17,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:43:17,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:43:17,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:43:17,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:43:17,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:43:17,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:43:17,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:43:17,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:43:17,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 10:43:17,440 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:43:17,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:43:17,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:43:17,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:43:17,442 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:43:17,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:43:17,442 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:43:17,443 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:43:17,443 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:43:17,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:43:17,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:43:17,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:43:17,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:43:17,445 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:43:17,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:43:17,445 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:43:17,445 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:43:17,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:43:17,446 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:43:17,446 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:43:17,446 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:43:17,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:43:17,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:43:17,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:43:17,447 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:43:17,447 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:43:17,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:17,448 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:43:17,448 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:43:17,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:43:17,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:43:17,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:43:17,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:43:17,746 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:43:17,747 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:43:17,748 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2020-07-20 10:43:17,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29cd3c688/1cfff1e6573442579ef149b510db602c/FLAG13674f058 [2020-07-20 10:43:18,265 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:43:18,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product02.cil.c [2020-07-20 10:43:18,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29cd3c688/1cfff1e6573442579ef149b510db602c/FLAG13674f058 [2020-07-20 10:43:18,593 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29cd3c688/1cfff1e6573442579ef149b510db602c [2020-07-20 10:43:18,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:43:18,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:43:18,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:43:18,607 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:43:18,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:43:18,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:18" (1/1) ... [2020-07-20 10:43:18,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7ab647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:18, skipping insertion in model container [2020-07-20 10:43:18,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:18" (1/1) ... [2020-07-20 10:43:18,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:43:18,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:43:19,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:43:19,055 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:43:19,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:43:19,317 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:43:19,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:19 WrapperNode [2020-07-20 10:43:19,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:43:19,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:43:19,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:43:19,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:43:19,333 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:19" (1/1) ... [2020-07-20 10:43:19,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:19" (1/1) ... [2020-07-20 10:43:19,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:19" (1/1) ... [2020-07-20 10:43:19,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:19" (1/1) ... [2020-07-20 10:43:19,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:19" (1/1) ... [2020-07-20 10:43:19,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:19" (1/1) ... [2020-07-20 10:43:19,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:19" (1/1) ... [2020-07-20 10:43:19,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:43:19,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:43:19,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:43:19,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:43:19,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:43:19,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:43:19,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:43:19,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:43:19,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:43:19,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:43:19,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:43:19,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:43:19,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:43:19,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:43:19,545 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:43:19,546 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:43:19,546 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:43:19,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:43:19,547 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:43:19,547 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:43:19,548 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:43:19,549 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:43:19,549 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:43:19,549 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:43:19,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:43:19,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:43:19,549 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:43:19,550 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 10:43:19,550 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:43:19,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:43:19,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:43:19,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:43:19,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:43:19,551 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:43:19,552 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:43:19,552 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:43:19,552 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:43:19,552 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:43:19,552 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:43:19,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:43:19,553 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:43:19,553 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:43:19,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:43:19,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:43:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:43:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:43:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:43:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:43:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:43:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:43:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:43:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:43:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:43:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:43:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:43:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:43:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:43:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:43:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:43:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:43:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:43:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:43:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:43:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:43:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:43:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:43:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:43:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:43:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:43:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:43:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:43:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:43:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:43:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 10:43:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:43:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:43:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:43:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:43:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:43:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:43:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:43:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:43:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:43:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:43:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:43:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:43:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:43:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:43:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:43:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:43:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:43:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:43:19,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:43:20,630 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:43:20,630 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:43:20,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:20 BoogieIcfgContainer [2020-07-20 10:43:20,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:43:20,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:43:20,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:43:20,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:43:20,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:43:18" (1/3) ... [2020-07-20 10:43:20,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629b7bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:20, skipping insertion in model container [2020-07-20 10:43:20,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:19" (2/3) ... [2020-07-20 10:43:20,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629b7bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:20, skipping insertion in model container [2020-07-20 10:43:20,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:20" (3/3) ... [2020-07-20 10:43:20,643 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product02.cil.c [2020-07-20 10:43:20,654 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:43:20,662 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:43:20,677 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:43:20,703 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:43:20,703 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:43:20,703 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:43:20,703 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:43:20,704 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:43:20,704 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:43:20,704 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:43:20,704 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:43:20,732 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states. [2020-07-20 10:43:20,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 10:43:20,742 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:20,744 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:20,744 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:20,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:20,751 INFO L82 PathProgramCache]: Analyzing trace with hash 1661019057, now seen corresponding path program 1 times [2020-07-20 10:43:20,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:20,761 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1733537892] [2020-07-20 10:43:20,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:21,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:43:21,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:21,137 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:43:21,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:21,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1733537892] [2020-07-20 10:43:21,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:21,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:43:21,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771547156] [2020-07-20 10:43:21,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:43:21,150 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:21,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:43:21,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:43:21,170 INFO L87 Difference]: Start difference. First operand 138 states. Second operand 2 states. [2020-07-20 10:43:21,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:21,210 INFO L93 Difference]: Finished difference Result 186 states and 233 transitions. [2020-07-20 10:43:21,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:43:21,212 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 10:43:21,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:21,223 INFO L225 Difference]: With dead ends: 186 [2020-07-20 10:43:21,223 INFO L226 Difference]: Without dead ends: 95 [2020-07-20 10:43:21,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:43:21,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-07-20 10:43:21,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2020-07-20 10:43:21,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-20 10:43:21,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-07-20 10:43:21,281 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 59 [2020-07-20 10:43:21,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:21,281 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-07-20 10:43:21,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:43:21,282 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-07-20 10:43:21,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 10:43:21,286 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:21,286 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:21,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:21,500 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:21,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:21,502 INFO L82 PathProgramCache]: Analyzing trace with hash 828652057, now seen corresponding path program 1 times [2020-07-20 10:43:21,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:21,503 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [770555907] [2020-07-20 10:43:21,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:21,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:43:21,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:43:21,816 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:21,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [770555907] [2020-07-20 10:43:21,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:21,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:21,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461289444] [2020-07-20 10:43:21,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:21,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:21,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:21,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:21,821 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 3 states. [2020-07-20 10:43:21,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:21,838 INFO L93 Difference]: Finished difference Result 131 states and 151 transitions. [2020-07-20 10:43:21,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:21,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 10:43:21,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:21,841 INFO L225 Difference]: With dead ends: 131 [2020-07-20 10:43:21,841 INFO L226 Difference]: Without dead ends: 86 [2020-07-20 10:43:21,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:21,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-07-20 10:43:21,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-07-20 10:43:21,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-07-20 10:43:21,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2020-07-20 10:43:21,855 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 60 [2020-07-20 10:43:21,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:21,856 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2020-07-20 10:43:21,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2020-07-20 10:43:21,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 10:43:21,859 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:21,859 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:22,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:22,069 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:22,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:22,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1426566225, now seen corresponding path program 1 times [2020-07-20 10:43:22,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:22,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1039404636] [2020-07-20 10:43:22,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:22,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:43:22,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:22,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:22,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1039404636] [2020-07-20 10:43:22,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:22,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:22,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284722265] [2020-07-20 10:43:22,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:22,297 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:22,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:22,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:22,298 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 3 states. [2020-07-20 10:43:22,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:22,321 INFO L93 Difference]: Finished difference Result 144 states and 169 transitions. [2020-07-20 10:43:22,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:22,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 10:43:22,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:22,323 INFO L225 Difference]: With dead ends: 144 [2020-07-20 10:43:22,324 INFO L226 Difference]: Without dead ends: 86 [2020-07-20 10:43:22,325 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:22,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-07-20 10:43:22,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-07-20 10:43:22,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-07-20 10:43:22,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2020-07-20 10:43:22,336 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 65 [2020-07-20 10:43:22,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:22,338 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2020-07-20 10:43:22,338 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:22,338 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2020-07-20 10:43:22,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-07-20 10:43:22,340 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:22,341 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:22,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:22,555 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:22,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:22,556 INFO L82 PathProgramCache]: Analyzing trace with hash -116553072, now seen corresponding path program 1 times [2020-07-20 10:43:22,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:22,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748322938] [2020-07-20 10:43:22,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:22,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 705 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:43:22,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 10:43:22,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:22,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748322938] [2020-07-20 10:43:22,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:22,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:22,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314576804] [2020-07-20 10:43:22,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:22,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:22,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:22,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:22,856 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 6 states. [2020-07-20 10:43:23,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:23,062 INFO L93 Difference]: Finished difference Result 138 states and 161 transitions. [2020-07-20 10:43:23,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:43:23,063 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-07-20 10:43:23,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:23,064 INFO L225 Difference]: With dead ends: 138 [2020-07-20 10:43:23,064 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:43:23,066 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:43:23,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:43:23,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:43:23,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:43:23,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:43:23,067 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-07-20 10:43:23,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:23,067 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:43:23,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:23,068 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:43:23,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:43:23,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:23,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:43:23,747 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-20 10:43:23,747 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-20 10:43:23,748 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-20 10:43:23,748 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-20 10:43:23,748 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:43:23,748 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-20 10:43:23,748 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:43:23,748 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-20 10:43:23,748 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-20 10:43:23,749 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-20 10:43:23,749 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:43:23,749 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-20 10:43:23,749 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-20 10:43:23,749 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-20 10:43:23,749 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:43:23,749 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-20 10:43:23,749 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-20 10:43:23,750 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-20 10:43:23,750 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 765 771) the Hoare annotation is: true [2020-07-20 10:43:23,750 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 765 771) no Hoare annotation was computed. [2020-07-20 10:43:23,750 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 772 780) no Hoare annotation was computed. [2020-07-20 10:43:23,750 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 772 780) the Hoare annotation is: true [2020-07-20 10:43:23,750 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 772 780) no Hoare annotation was computed. [2020-07-20 10:43:23,751 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 696 703) the Hoare annotation is: true [2020-07-20 10:43:23,751 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 696 703) no Hoare annotation was computed. [2020-07-20 10:43:23,751 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 696 703) no Hoare annotation was computed. [2020-07-20 10:43:23,751 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 704 713) the Hoare annotation is: true [2020-07-20 10:43:23,751 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 704 713) no Hoare annotation was computed. [2020-07-20 10:43:23,751 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 704 713) no Hoare annotation was computed. [2020-07-20 10:43:23,751 INFO L268 CegarLoopResult]: For program point L709(line 709) no Hoare annotation was computed. [2020-07-20 10:43:23,752 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:43:23,752 INFO L268 CegarLoopResult]: For program point L727(lines 727 733) no Hoare annotation was computed. [2020-07-20 10:43:23,752 INFO L268 CegarLoopResult]: For program point L726(lines 726 736) no Hoare annotation was computed. [2020-07-20 10:43:23,752 INFO L271 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: true [2020-07-20 10:43:23,752 INFO L268 CegarLoopResult]: For program point L724-1(line 724) no Hoare annotation was computed. [2020-07-20 10:43:23,752 INFO L268 CegarLoopResult]: For program point L722(lines 722 739) no Hoare annotation was computed. [2020-07-20 10:43:23,752 INFO L268 CegarLoopResult]: For program point L722-1(lines 714 742) no Hoare annotation was computed. [2020-07-20 10:43:23,753 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 714 742) the Hoare annotation is: true [2020-07-20 10:43:23,753 INFO L271 CegarLoopResult]: At program point L720(line 720) the Hoare annotation is: true [2020-07-20 10:43:23,753 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-07-20 10:43:23,753 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 714 742) no Hoare annotation was computed. [2020-07-20 10:43:23,753 INFO L268 CegarLoopResult]: For program point L865(lines 865 872) no Hoare annotation was computed. [2020-07-20 10:43:23,753 INFO L268 CegarLoopResult]: For program point L865-1(lines 865 872) no Hoare annotation was computed. [2020-07-20 10:43:23,753 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-07-20 10:43:23,754 INFO L264 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:23,754 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 855 877) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:23,754 INFO L264 CegarLoopResult]: At program point L861(line 861) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:23,754 INFO L264 CegarLoopResult]: At program point L861-1(line 861) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:23,754 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 855 877) no Hoare annotation was computed. [2020-07-20 10:43:23,754 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 855 877) no Hoare annotation was computed. [2020-07-20 10:43:23,755 INFO L264 CegarLoopResult]: At program point L867(line 867) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:23,755 INFO L264 CegarLoopResult]: At program point L867-1(line 867) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:23,755 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 813 836) no Hoare annotation was computed. [2020-07-20 10:43:23,755 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-07-20 10:43:23,755 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-07-20 10:43:23,755 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-07-20 10:43:23,756 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 813 836) no Hoare annotation was computed. [2020-07-20 10:43:23,756 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-20 10:43:23,756 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 813 836) no Hoare annotation was computed. [2020-07-20 10:43:23,756 INFO L268 CegarLoopResult]: For program point L827(line 827) no Hoare annotation was computed. [2020-07-20 10:43:23,756 INFO L268 CegarLoopResult]: For program point L826(line 826) no Hoare annotation was computed. [2020-07-20 10:43:23,756 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-07-20 10:43:23,756 INFO L268 CegarLoopResult]: For program point L824(line 824) no Hoare annotation was computed. [2020-07-20 10:43:23,757 INFO L268 CegarLoopResult]: For program point L823(line 823) no Hoare annotation was computed. [2020-07-20 10:43:23,757 INFO L268 CegarLoopResult]: For program point L822(line 822) no Hoare annotation was computed. [2020-07-20 10:43:23,757 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-07-20 10:43:23,757 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-07-20 10:43:23,757 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-07-20 10:43:23,757 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-07-20 10:43:23,757 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 564 572) no Hoare annotation was computed. [2020-07-20 10:43:23,757 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 564 572) the Hoare annotation is: true [2020-07-20 10:43:23,758 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 564 572) no Hoare annotation was computed. [2020-07-20 10:43:23,758 INFO L268 CegarLoopResult]: For program point L603(line 603) no Hoare annotation was computed. [2020-07-20 10:43:23,758 INFO L268 CegarLoopResult]: For program point L603-1(line 603) no Hoare annotation was computed. [2020-07-20 10:43:23,758 INFO L268 CegarLoopResult]: For program point L592(lines 592 600) no Hoare annotation was computed. [2020-07-20 10:43:23,758 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 573 608) no Hoare annotation was computed. [2020-07-20 10:43:23,758 INFO L268 CegarLoopResult]: For program point L592-2(lines 592 600) no Hoare annotation was computed. [2020-07-20 10:43:23,758 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 573 608) no Hoare annotation was computed. [2020-07-20 10:43:23,759 INFO L268 CegarLoopResult]: For program point L580(lines 580 588) no Hoare annotation was computed. [2020-07-20 10:43:23,759 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 573 608) no Hoare annotation was computed. [2020-07-20 10:43:23,759 INFO L268 CegarLoopResult]: For program point L580-2(lines 580 588) no Hoare annotation was computed. [2020-07-20 10:43:23,759 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 758 764) no Hoare annotation was computed. [2020-07-20 10:43:23,759 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 758 764) the Hoare annotation is: true [2020-07-20 10:43:23,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:43:23,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:43:23,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-20 10:43:23,760 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-20 10:43:23,760 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:43:23,760 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-20 10:43:23,760 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-20 10:43:23,760 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:43:23,760 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-20 10:43:23,760 INFO L264 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:23,761 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 844 854) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:23,761 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 844 854) no Hoare annotation was computed. [2020-07-20 10:43:23,761 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 844 854) no Hoare annotation was computed. [2020-07-20 10:43:23,761 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 553 563) no Hoare annotation was computed. [2020-07-20 10:43:23,761 INFO L268 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-07-20 10:43:23,761 INFO L268 CegarLoopResult]: For program point L558-1(line 558) no Hoare annotation was computed. [2020-07-20 10:43:23,761 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 553 563) no Hoare annotation was computed. [2020-07-20 10:43:23,761 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 553 563) no Hoare annotation was computed. [2020-07-20 10:43:23,762 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 545 552) no Hoare annotation was computed. [2020-07-20 10:43:23,762 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 545 552) no Hoare annotation was computed. [2020-07-20 10:43:23,762 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 545 552) no Hoare annotation was computed. [2020-07-20 10:43:23,762 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 530 536) no Hoare annotation was computed. [2020-07-20 10:43:23,762 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 530 536) the Hoare annotation is: true [2020-07-20 10:43:23,762 INFO L264 CegarLoopResult]: At program point testENTRY(lines 619 684) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:23,762 INFO L268 CegarLoopResult]: For program point L667(lines 667 671) no Hoare annotation was computed. [2020-07-20 10:43:23,763 INFO L264 CegarLoopResult]: At program point L667-2(lines 659 672) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:23,763 INFO L268 CegarLoopResult]: For program point testFINAL(lines 619 684) no Hoare annotation was computed. [2020-07-20 10:43:23,763 INFO L268 CegarLoopResult]: For program point L630(lines 629 676) no Hoare annotation was computed. [2020-07-20 10:43:23,763 INFO L264 CegarLoopResult]: At program point L661(line 661) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:23,763 INFO L268 CegarLoopResult]: For program point L659(lines 659 672) no Hoare annotation was computed. [2020-07-20 10:43:23,763 INFO L264 CegarLoopResult]: At program point L651(line 651) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:23,764 INFO L268 CegarLoopResult]: For program point L649(lines 649 655) no Hoare annotation was computed. [2020-07-20 10:43:23,764 INFO L268 CegarLoopResult]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2020-07-20 10:43:23,764 INFO L264 CegarLoopResult]: At program point L674(lines 629 676) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:23,764 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:23,764 INFO L268 CegarLoopResult]: For program point L639(lines 639 645) no Hoare annotation was computed. [2020-07-20 10:43:23,764 INFO L268 CegarLoopResult]: For program point L639-1(lines 639 645) no Hoare annotation was computed. [2020-07-20 10:43:23,764 INFO L268 CegarLoopResult]: For program point L631(lines 631 635) no Hoare annotation was computed. [2020-07-20 10:43:23,765 INFO L264 CegarLoopResult]: At program point L677(lines 628 678) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:23,765 INFO L268 CegarLoopResult]: For program point testEXIT(lines 619 684) no Hoare annotation was computed. [2020-07-20 10:43:23,765 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:43:23,765 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:43:23,765 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-20 10:43:23,765 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-20 10:43:23,766 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-20 10:43:23,766 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-20 10:43:23,766 INFO L268 CegarLoopResult]: For program point L467-2(lines 467 475) no Hoare annotation was computed. [2020-07-20 10:43:23,766 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 459 481) no Hoare annotation was computed. [2020-07-20 10:43:23,766 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 459 481) no Hoare annotation was computed. [2020-07-20 10:43:23,766 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 459 481) no Hoare annotation was computed. [2020-07-20 10:43:23,766 INFO L268 CegarLoopResult]: For program point L467(lines 467 475) no Hoare annotation was computed. [2020-07-20 10:43:23,766 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-20 10:43:23,767 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:43:23,767 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-20 10:43:23,767 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-20 10:43:23,767 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-20 10:43:23,767 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-20 10:43:23,767 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:43:23,767 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-20 10:43:23,768 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-20 10:43:23,768 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-20 10:43:23,768 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-20 10:43:23,768 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-20 10:43:23,768 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-20 10:43:23,768 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-20 10:43:23,768 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-20 10:43:23,768 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-20 10:43:23,769 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 748 757) no Hoare annotation was computed. [2020-07-20 10:43:23,769 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 748 757) no Hoare annotation was computed. [2020-07-20 10:43:23,769 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 748 757) no Hoare annotation was computed. [2020-07-20 10:43:23,769 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:43:23,769 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:43:23,769 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:43:23,769 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 537 544) no Hoare annotation was computed. [2020-07-20 10:43:23,769 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 537 544) no Hoare annotation was computed. [2020-07-20 10:43:23,770 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 537 544) no Hoare annotation was computed. [2020-07-20 10:43:23,770 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 482 490) the Hoare annotation is: true [2020-07-20 10:43:23,770 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 482 490) no Hoare annotation was computed. [2020-07-20 10:43:23,770 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 482 490) no Hoare annotation was computed. [2020-07-20 10:43:23,770 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:43:23,770 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:43:23,770 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:43:23,770 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 438 449) the Hoare annotation is: true [2020-07-20 10:43:23,771 INFO L268 CegarLoopResult]: For program point L442-1(lines 438 449) no Hoare annotation was computed. [2020-07-20 10:43:23,771 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 438 449) no Hoare annotation was computed. [2020-07-20 10:43:23,771 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 450 458) no Hoare annotation was computed. [2020-07-20 10:43:23,771 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 450 458) no Hoare annotation was computed. [2020-07-20 10:43:23,771 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 450 458) no Hoare annotation was computed. [2020-07-20 10:43:23,771 INFO L264 CegarLoopResult]: At program point L512(line 512) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-20 10:43:23,771 INFO L268 CegarLoopResult]: For program point L510(lines 506 528) no Hoare annotation was computed. [2020-07-20 10:43:23,771 INFO L268 CegarLoopResult]: For program point L508(lines 506 528) no Hoare annotation was computed. [2020-07-20 10:43:23,772 INFO L271 CegarLoopResult]: At program point timeShiftENTRY(lines 503 529) the Hoare annotation is: true [2020-07-20 10:43:23,772 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 503 529) no Hoare annotation was computed. [2020-07-20 10:43:23,772 INFO L271 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: true [2020-07-20 10:43:23,772 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 503 529) no Hoare annotation was computed. [2020-07-20 10:43:23,772 INFO L271 CegarLoopResult]: At program point L517(lines 517 523) the Hoare annotation is: true [2020-07-20 10:43:23,772 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 783 812) no Hoare annotation was computed. [2020-07-20 10:43:23,772 INFO L268 CegarLoopResult]: For program point L797(lines 797 801) no Hoare annotation was computed. [2020-07-20 10:43:23,772 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 783 812) the Hoare annotation is: true [2020-07-20 10:43:23,773 INFO L271 CegarLoopResult]: At program point L797-1(lines 797 801) the Hoare annotation is: true [2020-07-20 10:43:23,773 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-07-20 10:43:23,773 INFO L271 CegarLoopResult]: At program point L793-2(lines 793 807) the Hoare annotation is: true [2020-07-20 10:43:23,773 INFO L271 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: true [2020-07-20 10:43:23,773 INFO L268 CegarLoopResult]: For program point L789-1(line 789) no Hoare annotation was computed. [2020-07-20 10:43:23,773 INFO L271 CegarLoopResult]: At program point L808(lines 783 812) the Hoare annotation is: true [2020-07-20 10:43:23,773 INFO L268 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-07-20 10:43:23,774 INFO L268 CegarLoopResult]: For program point L418-1(lines 414 425) no Hoare annotation was computed. [2020-07-20 10:43:23,774 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 414 425) the Hoare annotation is: true [2020-07-20 10:43:23,774 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 414 425) no Hoare annotation was computed. [2020-07-20 10:43:23,774 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 837 843) no Hoare annotation was computed. [2020-07-20 10:43:23,774 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 837 843) the Hoare annotation is: true [2020-07-20 10:43:23,774 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:43:23,774 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 10:43:23,774 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:43:23,775 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:43:23,775 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 609 616) no Hoare annotation was computed. [2020-07-20 10:43:23,775 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 609 616) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:43:23,775 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 609 616) no Hoare annotation was computed. [2020-07-20 10:43:23,775 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 426 437) no Hoare annotation was computed. [2020-07-20 10:43:23,775 INFO L268 CegarLoopResult]: For program point L430-1(lines 426 437) no Hoare annotation was computed. [2020-07-20 10:43:23,775 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 426 437) the Hoare annotation is: true [2020-07-20 10:43:23,775 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 686 693) no Hoare annotation was computed. [2020-07-20 10:43:23,776 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 690) no Hoare annotation was computed. [2020-07-20 10:43:23,776 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 686 693) the Hoare annotation is: true [2020-07-20 10:43:23,776 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 686 693) no Hoare annotation was computed. [2020-07-20 10:43:23,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:43:23 BoogieIcfgContainer [2020-07-20 10:43:23,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:43:23,795 INFO L168 Benchmark]: Toolchain (without parser) took 5189.68 ms. Allocated memory was 139.5 MB in the beginning and 246.9 MB in the end (delta: 107.5 MB). Free memory was 102.0 MB in the beginning and 114.3 MB in the end (delta: -12.3 MB). Peak memory consumption was 95.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:43:23,796 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:43:23,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.54 ms. Allocated memory was 139.5 MB in the beginning and 206.6 MB in the end (delta: 67.1 MB). Free memory was 101.6 MB in the beginning and 176.9 MB in the end (delta: -75.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:43:23,798 INFO L168 Benchmark]: Boogie Preprocessor took 126.06 ms. Allocated memory is still 206.6 MB. Free memory was 176.9 MB in the beginning and 172.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:43:23,799 INFO L168 Benchmark]: RCFGBuilder took 1184.76 ms. Allocated memory was 206.6 MB in the beginning and 235.9 MB in the end (delta: 29.4 MB). Free memory was 172.9 MB in the beginning and 202.8 MB in the end (delta: -29.9 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:43:23,800 INFO L168 Benchmark]: TraceAbstraction took 3156.03 ms. Allocated memory was 235.9 MB in the beginning and 246.9 MB in the end (delta: 11.0 MB). Free memory was 201.4 MB in the beginning and 114.3 MB in the end (delta: 87.1 MB). Peak memory consumption was 98.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:43:23,805 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 711.54 ms. Allocated memory was 139.5 MB in the beginning and 206.6 MB in the end (delta: 67.1 MB). Free memory was 101.6 MB in the beginning and 176.9 MB in the end (delta: -75.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.06 ms. Allocated memory is still 206.6 MB. Free memory was 176.9 MB in the beginning and 172.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1184.76 ms. Allocated memory was 206.6 MB in the beginning and 235.9 MB in the end (delta: 29.4 MB). Free memory was 172.9 MB in the beginning and 202.8 MB in the end (delta: -29.9 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3156.03 ms. Allocated memory was 235.9 MB in the beginning and 246.9 MB in the end (delta: 11.0 MB). Free memory was 201.4 MB in the beginning and 114.3 MB in the end (delta: 87.1 MB). Peak memory consumption was 98.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 690]: 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: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || (splverifierCounter <= 0 && 1 <= systemActive)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: !(0 == pumpRunning) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 4, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 399 SDtfs, 87 SDslu, 294 SDs, 0 SdLazy, 52 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 250 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 130 PreInvPairs, 138 NumberOfFragments, 260 HoareAnnotationTreeSize, 130 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 310 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 30532 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2779 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...