/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_spec1_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:34:56,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:34:56,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:34:56,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:34:56,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:34:56,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:34:56,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:34:56,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:34:56,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:34:56,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:34:56,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:34:56,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:34:56,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:34:56,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:34:56,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:34:56,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:34:56,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:34:56,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:34:56,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:34:56,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:34:56,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:34:56,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:34:56,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:34:56,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:34:56,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:34:56,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:34:56,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:34:56,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:34:56,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:34:56,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:34:56,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:34:56,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:34:56,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:34:56,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:34:56,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:34:56,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:34:56,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:34:56,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:34:56,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:34:56,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:34:56,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:34:56,598 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 10:34:56,613 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:34:56,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:34:56,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:34:56,615 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:34:56,615 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:34:56,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:34:56,616 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:34:56,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:34:56,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:34:56,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:34:56,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:34:56,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:34:56,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:34:56,617 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:34:56,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:34:56,617 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:34:56,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:34:56,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:34:56,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:34:56,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:34:56,618 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:34:56,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:34:56,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:34:56,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:34:56,619 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:34:56,619 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:34:56,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:34:56,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:34:56,620 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:34:56,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:34:56,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:34:56,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:34:56,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:34:56,922 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:34:56,922 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:34:56,923 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c [2020-07-21 10:34:57,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c78463804/31a592bf1fe9455fa14f5a8ed633b29d/FLAGcf01d0886 [2020-07-21 10:34:57,543 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:34:57,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product06.cil.c [2020-07-21 10:34:57,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c78463804/31a592bf1fe9455fa14f5a8ed633b29d/FLAGcf01d0886 [2020-07-21 10:34:57,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c78463804/31a592bf1fe9455fa14f5a8ed633b29d [2020-07-21 10:34:57,870 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:34:57,873 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:34:57,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:34:57,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:34:57,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:34:57,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:34:57" (1/1) ... [2020-07-21 10:34:57,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cfecd9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:57, skipping insertion in model container [2020-07-21 10:34:57,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:34:57" (1/1) ... [2020-07-21 10:34:57,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:34:57,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:34:58,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:34:58,378 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:34:58,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:34:58,497 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:34:58,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58 WrapperNode [2020-07-21 10:34:58,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:34:58,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:34:58,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:34:58,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:34:58,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (1/1) ... [2020-07-21 10:34:58,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (1/1) ... [2020-07-21 10:34:58,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (1/1) ... [2020-07-21 10:34:58,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (1/1) ... [2020-07-21 10:34:58,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (1/1) ... [2020-07-21 10:34:58,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (1/1) ... [2020-07-21 10:34:58,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (1/1) ... [2020-07-21 10:34:58,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:34:58,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:34:58,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:34:58,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:34:58,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (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 [2020-07-21 10:34:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:34:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:34:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:34:58,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:34:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:34:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:34:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:34:58,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:34:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:34:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:34:58,676 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:34:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:34:58,677 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:34:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:34:58,678 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:34:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:34:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:34:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:34:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:34:58,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:34:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:34:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:34:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:34:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:34:58,680 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:34:58,681 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:34:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:34:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:34:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:34:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:34:58,682 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:34:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:34:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:34:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:34:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:34:58,683 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 10:34:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:34:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:34:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:34:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:34:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:34:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:34:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:34:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:34:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:34:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:34:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:34:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:34:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:34:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:34:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:34:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:34:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:34:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:34:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:34:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:34:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:34:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:34:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:34:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:34:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:34:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:34:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:34:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:34:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:34:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:34:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:34:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:34:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:34:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:34:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:34:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:34:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:34:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:34:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:34:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:34:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:34:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 10:34:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:34:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:34:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:34:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:34:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:34:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:34:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:34:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:34:59,725 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:34:59,726 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:34:59,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:34:59 BoogieIcfgContainer [2020-07-21 10:34:59,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:34:59,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:34:59,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:34:59,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:34:59,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:34:57" (1/3) ... [2020-07-21 10:34:59,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6476df06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:34:59, skipping insertion in model container [2020-07-21 10:34:59,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:34:58" (2/3) ... [2020-07-21 10:34:59,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6476df06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:34:59, skipping insertion in model container [2020-07-21 10:34:59,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:34:59" (3/3) ... [2020-07-21 10:34:59,740 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product06.cil.c [2020-07-21 10:34:59,752 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:34:59,760 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:34:59,775 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:34:59,801 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:34:59,801 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:34:59,802 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:34:59,802 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:34:59,802 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:34:59,802 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:34:59,802 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:34:59,803 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:34:59,834 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2020-07-21 10:34:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 10:34:59,844 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:34:59,845 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:34:59,846 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:34:59,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:34:59,851 INFO L82 PathProgramCache]: Analyzing trace with hash 2125961732, now seen corresponding path program 1 times [2020-07-21 10:34:59,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:34:59,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2123986794] [2020-07-21 10:34:59,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:00,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:35:00,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:00,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:00,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2123986794] [2020-07-21 10:35:00,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:00,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:35:00,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970907418] [2020-07-21 10:35:00,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:35:00,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:00,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:35:00,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:35:00,163 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2020-07-21 10:35:00,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:00,203 INFO L93 Difference]: Finished difference Result 206 states and 257 transitions. [2020-07-21 10:35:00,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:35:00,205 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 10:35:00,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:00,217 INFO L225 Difference]: With dead ends: 206 [2020-07-21 10:35:00,218 INFO L226 Difference]: Without dead ends: 103 [2020-07-21 10:35:00,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:35:00,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-07-21 10:35:00,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-07-21 10:35:00,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-07-21 10:35:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 120 transitions. [2020-07-21 10:35:00,276 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 120 transitions. Word has length 46 [2020-07-21 10:35:00,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:00,277 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 120 transitions. [2020-07-21 10:35:00,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:35:00,277 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 120 transitions. [2020-07-21 10:35:00,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 10:35:00,281 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:00,281 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:35:00,492 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:00,492 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:00,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:00,493 INFO L82 PathProgramCache]: Analyzing trace with hash -123733741, now seen corresponding path program 1 times [2020-07-21 10:35:00,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:00,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1470016394] [2020-07-21 10:35:00,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:00,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:35:00,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:00,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:00,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:00,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1470016394] [2020-07-21 10:35:00,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:00,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:00,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030090213] [2020-07-21 10:35:00,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:00,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:00,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:00,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:00,750 INFO L87 Difference]: Start difference. First operand 103 states and 120 transitions. Second operand 3 states. [2020-07-21 10:35:00,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:00,772 INFO L93 Difference]: Finished difference Result 151 states and 175 transitions. [2020-07-21 10:35:00,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:00,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 10:35:00,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:00,775 INFO L225 Difference]: With dead ends: 151 [2020-07-21 10:35:00,775 INFO L226 Difference]: Without dead ends: 94 [2020-07-21 10:35:00,777 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:00,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-07-21 10:35:00,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-07-21 10:35:00,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-21 10:35:00,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-07-21 10:35:00,825 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 47 [2020-07-21 10:35:00,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:00,826 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-07-21 10:35:00,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:00,826 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-07-21 10:35:00,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 10:35:00,828 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:00,828 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:35:01,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:01,044 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:01,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:01,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1891924118, now seen corresponding path program 1 times [2020-07-21 10:35:01,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:01,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1615859706] [2020-07-21 10:35:01,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:01,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:35:01,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:01,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:01,253 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:01,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1615859706] [2020-07-21 10:35:01,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:01,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:01,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654469116] [2020-07-21 10:35:01,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:01,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:01,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:01,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:01,255 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 3 states. [2020-07-21 10:35:01,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:01,275 INFO L93 Difference]: Finished difference Result 164 states and 193 transitions. [2020-07-21 10:35:01,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:01,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 10:35:01,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:01,277 INFO L225 Difference]: With dead ends: 164 [2020-07-21 10:35:01,277 INFO L226 Difference]: Without dead ends: 94 [2020-07-21 10:35:01,278 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:01,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-07-21 10:35:01,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2020-07-21 10:35:01,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-07-21 10:35:01,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2020-07-21 10:35:01,290 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 52 [2020-07-21 10:35:01,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:01,290 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2020-07-21 10:35:01,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:01,291 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2020-07-21 10:35:01,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 10:35:01,293 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:01,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:35:01,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:01,508 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:01,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:01,509 INFO L82 PathProgramCache]: Analyzing trace with hash 886985955, now seen corresponding path program 1 times [2020-07-21 10:35:01,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:01,510 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [493148305] [2020-07-21 10:35:01,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:01,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:35:01,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:01,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:01,762 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:01,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [493148305] [2020-07-21 10:35:01,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:01,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:35:01,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891903879] [2020-07-21 10:35:01,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:35:01,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:01,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:35:01,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:35:01,769 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand 6 states. [2020-07-21 10:35:01,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:01,987 INFO L93 Difference]: Finished difference Result 146 states and 171 transitions. [2020-07-21 10:35:01,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:35:01,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-21 10:35:01,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:01,992 INFO L225 Difference]: With dead ends: 146 [2020-07-21 10:35:01,992 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:35:01,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:35:01,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:35:01,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:35:01,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:35:01,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:35:01,995 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-07-21 10:35:01,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:01,995 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:35:01,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:35:01,995 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:35:01,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:35:02,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:02,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:35:02,724 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-21 10:35:02,724 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-21 10:35:02,724 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 10:35:02,724 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-21 10:35:02,724 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:35:02,725 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-21 10:35:02,725 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:35:02,725 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:35:02,725 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 10:35:02,725 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-21 10:35:02,725 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:35:02,726 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-21 10:35:02,726 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-21 10:35:02,726 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 10:35:02,726 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:35:02,726 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-21 10:35:02,727 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:35:02,727 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-21 10:35:02,727 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2020-07-21 10:35:02,727 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2020-07-21 10:35:02,727 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2020-07-21 10:35:02,728 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2020-07-21 10:35:02,728 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2020-07-21 10:35:02,728 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 521 543) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:02,728 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 521 543) no Hoare annotation was computed. [2020-07-21 10:35:02,730 INFO L264 CegarLoopResult]: At program point L533(line 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:02,730 INFO L264 CegarLoopResult]: At program point L533-1(line 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:02,730 INFO L268 CegarLoopResult]: For program point L531(lines 531 538) no Hoare annotation was computed. [2020-07-21 10:35:02,730 INFO L268 CegarLoopResult]: For program point L531-1(lines 531 538) no Hoare annotation was computed. [2020-07-21 10:35:02,730 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-21 10:35:02,731 INFO L264 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:02,731 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:02,731 INFO L264 CegarLoopResult]: At program point L527-1(line 527) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:02,731 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 521 543) no Hoare annotation was computed. [2020-07-21 10:35:02,731 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2020-07-21 10:35:02,733 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2020-07-21 10:35:02,733 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2020-07-21 10:35:02,733 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-21 10:35:02,734 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-21 10:35:02,734 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-07-21 10:35:02,734 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-21 10:35:02,734 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-21 10:35:02,734 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-07-21 10:35:02,734 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-21 10:35:02,734 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-21 10:35:02,734 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-07-21 10:35:02,735 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-21 10:35:02,735 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 10:35:02,735 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-07-21 10:35:02,735 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-21 10:35:02,735 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 10:35:02,735 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 823 831) no Hoare annotation was computed. [2020-07-21 10:35:02,735 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 823 831) the Hoare annotation is: true [2020-07-21 10:35:02,736 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 823 831) no Hoare annotation was computed. [2020-07-21 10:35:02,736 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-07-21 10:35:02,737 INFO L268 CegarLoopResult]: For program point L862-1(line 862) no Hoare annotation was computed. [2020-07-21 10:35:02,737 INFO L268 CegarLoopResult]: For program point L851(lines 851 859) no Hoare annotation was computed. [2020-07-21 10:35:02,737 INFO L268 CegarLoopResult]: For program point L851-2(lines 851 859) no Hoare annotation was computed. [2020-07-21 10:35:02,737 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 832 867) no Hoare annotation was computed. [2020-07-21 10:35:02,737 INFO L268 CegarLoopResult]: For program point L839(lines 839 847) no Hoare annotation was computed. [2020-07-21 10:35:02,737 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 832 867) no Hoare annotation was computed. [2020-07-21 10:35:02,737 INFO L268 CegarLoopResult]: For program point L839-2(lines 839 847) no Hoare annotation was computed. [2020-07-21 10:35:02,738 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 832 867) no Hoare annotation was computed. [2020-07-21 10:35:02,738 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2020-07-21 10:35:02,738 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2020-07-21 10:35:02,738 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:35:02,738 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:35:02,739 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:35:02,739 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-21 10:35:02,739 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:35:02,739 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-21 10:35:02,739 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-21 10:35:02,739 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:35:02,739 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:35:02,740 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 511 520) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:02,740 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 511 520) no Hoare annotation was computed. [2020-07-21 10:35:02,740 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 511 520) no Hoare annotation was computed. [2020-07-21 10:35:02,741 INFO L271 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: true [2020-07-21 10:35:02,741 INFO L268 CegarLoopResult]: For program point L817-1(line 817) no Hoare annotation was computed. [2020-07-21 10:35:02,741 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 812 822) the Hoare annotation is: true [2020-07-21 10:35:02,741 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 812 822) no Hoare annotation was computed. [2020-07-21 10:35:02,741 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 812 822) no Hoare annotation was computed. [2020-07-21 10:35:02,741 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 804 811) the Hoare annotation is: true [2020-07-21 10:35:02,741 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 804 811) no Hoare annotation was computed. [2020-07-21 10:35:02,741 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 804 811) no Hoare annotation was computed. [2020-07-21 10:35:02,742 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 771 795) no Hoare annotation was computed. [2020-07-21 10:35:02,742 INFO L264 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:02,742 INFO L268 CegarLoopResult]: For program point L790-1(lines 771 795) no Hoare annotation was computed. [2020-07-21 10:35:02,742 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 771 795) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:02,742 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:02,742 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:02,743 INFO L268 CegarLoopResult]: For program point L779(lines 779 787) no Hoare annotation was computed. [2020-07-21 10:35:02,743 INFO L264 CegarLoopResult]: At program point L777(line 777) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:02,743 INFO L268 CegarLoopResult]: For program point L777-1(line 777) no Hoare annotation was computed. [2020-07-21 10:35:02,743 INFO L268 CegarLoopResult]: For program point L775(lines 775 792) no Hoare annotation was computed. [2020-07-21 10:35:02,743 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 763 769) no Hoare annotation was computed. [2020-07-21 10:35:02,743 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 763 769) the Hoare annotation is: true [2020-07-21 10:35:02,743 INFO L264 CegarLoopResult]: At program point testENTRY(lines 667 732) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:02,744 INFO L268 CegarLoopResult]: For program point testFINAL(lines 667 732) no Hoare annotation was computed. [2020-07-21 10:35:02,744 INFO L264 CegarLoopResult]: At program point L725(lines 676 726) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:02,745 INFO L268 CegarLoopResult]: For program point L715(lines 715 719) no Hoare annotation was computed. [2020-07-21 10:35:02,746 INFO L264 CegarLoopResult]: At program point L715-2(lines 707 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:02,746 INFO L268 CegarLoopResult]: For program point L678(lines 677 724) no Hoare annotation was computed. [2020-07-21 10:35:02,747 INFO L264 CegarLoopResult]: At program point L709(line 709) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:02,747 INFO L268 CegarLoopResult]: For program point L707(lines 707 720) no Hoare annotation was computed. [2020-07-21 10:35:02,748 INFO L264 CegarLoopResult]: At program point L699(line 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:02,748 INFO L268 CegarLoopResult]: For program point L697(lines 697 703) no Hoare annotation was computed. [2020-07-21 10:35:02,748 INFO L268 CegarLoopResult]: For program point L697-1(lines 697 703) no Hoare annotation was computed. [2020-07-21 10:35:02,748 INFO L264 CegarLoopResult]: At program point L722(lines 677 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:02,748 INFO L264 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:02,748 INFO L268 CegarLoopResult]: For program point L687(lines 687 693) no Hoare annotation was computed. [2020-07-21 10:35:02,749 INFO L268 CegarLoopResult]: For program point L687-1(lines 687 693) no Hoare annotation was computed. [2020-07-21 10:35:02,749 INFO L268 CegarLoopResult]: For program point L679(lines 679 683) no Hoare annotation was computed. [2020-07-21 10:35:02,749 INFO L268 CegarLoopResult]: For program point testEXIT(lines 667 732) no Hoare annotation was computed. [2020-07-21 10:35:02,749 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:35:02,749 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:35:02,749 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:35:02,749 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-21 10:35:02,749 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-21 10:35:02,750 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-21 10:35:02,750 INFO L268 CegarLoopResult]: For program point L641(lines 641 649) no Hoare annotation was computed. [2020-07-21 10:35:02,750 INFO L268 CegarLoopResult]: For program point L641-2(lines 641 649) no Hoare annotation was computed. [2020-07-21 10:35:02,754 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 633 655) no Hoare annotation was computed. [2020-07-21 10:35:02,754 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 633 655) no Hoare annotation was computed. [2020-07-21 10:35:02,754 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 633 655) no Hoare annotation was computed. [2020-07-21 10:35:02,754 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-21 10:35:02,755 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:35:02,755 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-21 10:35:02,755 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-21 10:35:02,755 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-21 10:35:02,755 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-21 10:35:02,755 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:35:02,755 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-21 10:35:02,756 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-21 10:35:02,756 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-21 10:35:02,756 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:35:02,756 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-21 10:35:02,756 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-21 10:35:02,756 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-21 10:35:02,756 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-21 10:35:02,757 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-21 10:35:02,757 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2020-07-21 10:35:02,757 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 410 419) no Hoare annotation was computed. [2020-07-21 10:35:02,757 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2020-07-21 10:35:02,757 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,757 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:02,757 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,758 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 796 803) no Hoare annotation was computed. [2020-07-21 10:35:02,758 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 796 803) no Hoare annotation was computed. [2020-07-21 10:35:02,758 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 796 803) no Hoare annotation was computed. [2020-07-21 10:35:02,758 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 656 664) no Hoare annotation was computed. [2020-07-21 10:35:02,758 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 656 664) no Hoare annotation was computed. [2020-07-21 10:35:02,758 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 656 664) no Hoare annotation was computed. [2020-07-21 10:35:02,758 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,758 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,759 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,759 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: true [2020-07-21 10:35:02,759 INFO L268 CegarLoopResult]: For program point L616-1(lines 612 623) no Hoare annotation was computed. [2020-07-21 10:35:02,759 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2020-07-21 10:35:02,759 INFO L264 CegarLoopResult]: At program point L752(line 752) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:02,759 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 739 762) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:02,759 INFO L264 CegarLoopResult]: At program point L750(lines 750 756) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:02,760 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 739 762) no Hoare annotation was computed. [2020-07-21 10:35:02,760 INFO L264 CegarLoopResult]: At program point L745(line 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:02,760 INFO L268 CegarLoopResult]: For program point L743(lines 742 761) no Hoare annotation was computed. [2020-07-21 10:35:02,760 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 739 762) no Hoare annotation was computed. [2020-07-21 10:35:02,760 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2020-07-21 10:35:02,760 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2020-07-21 10:35:02,760 INFO L271 CegarLoopResult]: At program point L471(lines 446 475) the Hoare annotation is: true [2020-07-21 10:35:02,761 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-21 10:35:02,761 INFO L268 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-07-21 10:35:02,761 INFO L271 CegarLoopResult]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2020-07-21 10:35:02,761 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-21 10:35:02,761 INFO L271 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2020-07-21 10:35:02,761 INFO L271 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: true [2020-07-21 10:35:02,761 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-07-21 10:35:02,762 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 624 632) the Hoare annotation is: true [2020-07-21 10:35:02,762 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 624 632) no Hoare annotation was computed. [2020-07-21 10:35:02,762 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 624 632) no Hoare annotation was computed. [2020-07-21 10:35:02,762 INFO L268 CegarLoopResult]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2020-07-21 10:35:02,762 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 588 599) the Hoare annotation is: true [2020-07-21 10:35:02,763 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 588 599) no Hoare annotation was computed. [2020-07-21 10:35:02,763 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2020-07-21 10:35:02,763 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2020-07-21 10:35:02,763 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,763 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:35:02,763 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:02,764 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:02,764 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 868 875) no Hoare annotation was computed. [2020-07-21 10:35:02,764 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 868 875) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:02,764 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 868 875) no Hoare annotation was computed. [2020-07-21 10:35:02,764 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2020-07-21 10:35:02,764 INFO L268 CegarLoopResult]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2020-07-21 10:35:02,764 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: true [2020-07-21 10:35:02,764 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 574 581) no Hoare annotation was computed. [2020-07-21 10:35:02,765 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 578) no Hoare annotation was computed. [2020-07-21 10:35:02,765 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 574 581) the Hoare annotation is: true [2020-07-21 10:35:02,765 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 574 581) no Hoare annotation was computed. [2020-07-21 10:35:02,765 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 548 572) the Hoare annotation is: true [2020-07-21 10:35:02,765 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 548 572) no Hoare annotation was computed. [2020-07-21 10:35:02,765 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:02,766 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-07-21 10:35:02,766 INFO L271 CegarLoopResult]: At program point L558(line 558) the Hoare annotation is: true [2020-07-21 10:35:02,766 INFO L268 CegarLoopResult]: For program point L558-1(line 558) no Hoare annotation was computed. [2020-07-21 10:35:02,766 INFO L268 CegarLoopResult]: For program point L556(lines 556 569) no Hoare annotation was computed. [2020-07-21 10:35:02,767 INFO L268 CegarLoopResult]: For program point L556-1(lines 548 572) no Hoare annotation was computed. [2020-07-21 10:35:02,767 INFO L271 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: true [2020-07-21 10:35:02,767 INFO L268 CegarLoopResult]: For program point L554-1(line 554) no Hoare annotation was computed. [2020-07-21 10:35:02,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:35:02 BoogieIcfgContainer [2020-07-21 10:35:02,786 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:35:02,788 INFO L168 Benchmark]: Toolchain (without parser) took 4915.87 ms. Allocated memory was 145.2 MB in the beginning and 249.0 MB in the end (delta: 103.8 MB). Free memory was 100.6 MB in the beginning and 145.1 MB in the end (delta: -44.5 MB). Peak memory consumption was 59.3 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,790 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory is still 119.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 10:35:02,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.21 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.2 MB in the beginning and 171.7 MB in the end (delta: -71.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,793 INFO L168 Benchmark]: Boogie Preprocessor took 89.76 ms. Allocated memory is still 202.9 MB. Free memory was 171.7 MB in the beginning and 167.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,799 INFO L168 Benchmark]: RCFGBuilder took 1142.46 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 167.8 MB in the beginning and 200.5 MB in the end (delta: -32.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,801 INFO L168 Benchmark]: TraceAbstraction took 3052.94 ms. Allocated memory was 234.9 MB in the beginning and 249.0 MB in the end (delta: 14.2 MB). Free memory was 200.5 MB in the beginning and 145.1 MB in the end (delta: 55.4 MB). Peak memory consumption was 69.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:02,811 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.2 MB. Free memory is still 119.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 622.21 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.2 MB in the beginning and 171.7 MB in the end (delta: -71.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.76 ms. Allocated memory is still 202.9 MB. Free memory was 171.7 MB in the beginning and 167.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1142.46 ms. Allocated memory was 202.9 MB in the beginning and 234.9 MB in the end (delta: 32.0 MB). Free memory was 167.8 MB in the beginning and 200.5 MB in the end (delta: -32.7 MB). Peak memory consumption was 85.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3052.94 ms. Allocated memory was 234.9 MB in the beginning and 249.0 MB in the end (delta: 14.2 MB). Free memory was 200.5 MB in the beginning and 145.1 MB in the end (delta: 55.4 MB). Peak memory consumption was 69.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 578]: 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: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 423 SDtfs, 147 SDslu, 290 SDs, 0 SdLazy, 52 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146occurred 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, 50 LocationsWithAnnotation, 163 PreInvPairs, 171 NumberOfFragments, 380 HoareAnnotationTreeSize, 163 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 50 FomulaSimplificationsInter, 204 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 16589 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2635 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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...