/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_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:35:04,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:35:04,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:35:04,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:35:04,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:35:04,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:35:04,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:35:04,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:35:04,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:35:04,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:35:04,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:35:04,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:35:04,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:35:04,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:35:04,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:35:04,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:35:04,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:35:04,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:35:04,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:35:04,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:35:04,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:35:04,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:35:04,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:35:04,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:35:04,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:35:04,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:35:04,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:35:04,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:35:04,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:35:04,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:35:04,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:35:04,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:35:04,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:35:04,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:35:04,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:35:04,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:35:04,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:35:04,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:35:04,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:35:04,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:35:04,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:35:04,816 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 10:35:04,831 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:35:04,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:35:04,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:35:04,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:35:04,833 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:35:04,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:35:04,833 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:35:04,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:35:04,834 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:35:04,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:35:04,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:35:04,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:35:04,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:35:04,835 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:35:04,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:35:04,835 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:35:04,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:35:04,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:35:04,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:35:04,836 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:35:04,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:35:04,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:35:04,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:35:04,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:35:04,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:35:04,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:35:04,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:04,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:35:04,838 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:35:04,838 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 10:35:05,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:35:05,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:35:05,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:35:05,133 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:35:05,133 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:35:05,134 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2020-07-21 10:35:05,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5395b024/bc116e72144343bca90b0511b9afc5b0/FLAG1bc82b203 [2020-07-21 10:35:05,736 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:35:05,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2020-07-21 10:35:05,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5395b024/bc116e72144343bca90b0511b9afc5b0/FLAG1bc82b203 [2020-07-21 10:35:06,071 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5395b024/bc116e72144343bca90b0511b9afc5b0 [2020-07-21 10:35:06,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:35:06,082 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:35:06,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:35:06,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:35:06,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:35:06,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:06" (1/1) ... [2020-07-21 10:35:06,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2ab412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:06, skipping insertion in model container [2020-07-21 10:35:06,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:06" (1/1) ... [2020-07-21 10:35:06,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:35:06,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:35:06,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:35:06,622 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:35:06,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:35:06,733 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:35:06,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:06 WrapperNode [2020-07-21 10:35:06,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:35:06,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:35:06,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:35:06,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:35:06,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:06" (1/1) ... [2020-07-21 10:35:06,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:06" (1/1) ... [2020-07-21 10:35:06,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:06" (1/1) ... [2020-07-21 10:35:06,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:06" (1/1) ... [2020-07-21 10:35:06,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:06" (1/1) ... [2020-07-21 10:35:06,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:06" (1/1) ... [2020-07-21 10:35:06,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:06" (1/1) ... [2020-07-21 10:35:06,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:35:06,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:35:06,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:35:06,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:35:06,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:35:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:35:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:35:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:35:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:35:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:35:06,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:35:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:35:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:35:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:35:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:35:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:35:06,913 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:35:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:35:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:35:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:35:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:35:06,914 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:35:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:35:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:35:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:35:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:35:06,915 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:35:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:35:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:35:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:35:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:35:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:35:06,916 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:35:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:35:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:35:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:35:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:35:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:35:06,917 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:35:06,918 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:35:06,918 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:35:06,918 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:35:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:35:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:35:06,918 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:35:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:35:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:35:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:35:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:35:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:35:06,919 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:35:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:35:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:35:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:35:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:35:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:35:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:35:06,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:35:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:35:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:35:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:35:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:35:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:35:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:35:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:35:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:35:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:35:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:35:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:35:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:35:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:35:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:35:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:35:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:35:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:35:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:35:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:35:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:35:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:35:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:35:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:35:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:35:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:35:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:35:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:35:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:35:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:35:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:35:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:35:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:35:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:35:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:35:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:35:08,039 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:35:08,039 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:35:08,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:08 BoogieIcfgContainer [2020-07-21 10:35:08,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:35:08,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:35:08,046 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:35:08,049 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:35:08,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:35:06" (1/3) ... [2020-07-21 10:35:08,050 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a623483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:35:08, skipping insertion in model container [2020-07-21 10:35:08,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:06" (2/3) ... [2020-07-21 10:35:08,051 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a623483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:35:08, skipping insertion in model container [2020-07-21 10:35:08,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:08" (3/3) ... [2020-07-21 10:35:08,053 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2020-07-21 10:35:08,063 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:35:08,071 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:35:08,084 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:35:08,109 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:35:08,109 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:35:08,109 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:35:08,110 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:35:08,110 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:35:08,110 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:35:08,110 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:35:08,111 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:35:08,133 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2020-07-21 10:35:08,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 10:35:08,142 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:08,143 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 10:35:08,143 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:08,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:08,150 INFO L82 PathProgramCache]: Analyzing trace with hash -697118378, now seen corresponding path program 1 times [2020-07-21 10:35:08,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:08,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [387707242] [2020-07-21 10:35:08,159 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 10:35:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:08,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:35:08,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:08,453 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 10:35:08,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:08,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [387707242] [2020-07-21 10:35:08,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:08,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:35:08,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366051944] [2020-07-21 10:35:08,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:35:08,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:08,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:35:08,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:35:08,479 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 2 states. [2020-07-21 10:35:08,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:08,519 INFO L93 Difference]: Finished difference Result 208 states and 259 transitions. [2020-07-21 10:35:08,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:35:08,520 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 10:35:08,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:08,539 INFO L225 Difference]: With dead ends: 208 [2020-07-21 10:35:08,539 INFO L226 Difference]: Without dead ends: 104 [2020-07-21 10:35:08,544 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 10:35:08,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-21 10:35:08,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-07-21 10:35:08,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-21 10:35:08,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2020-07-21 10:35:08,597 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2020-07-21 10:35:08,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:08,598 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2020-07-21 10:35:08,598 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:35:08,598 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2020-07-21 10:35:08,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 10:35:08,602 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:08,602 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 10:35:08,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:08,816 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:08,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:08,818 INFO L82 PathProgramCache]: Analyzing trace with hash -133554589, now seen corresponding path program 1 times [2020-07-21 10:35:08,818 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:08,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [773766810] [2020-07-21 10:35:08,819 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 10:35:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:09,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:35:09,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:09,081 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 10:35:09,082 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:09,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [773766810] [2020-07-21 10:35:09,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:09,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:09,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330815276] [2020-07-21 10:35:09,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:09,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:09,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:09,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:09,085 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 3 states. [2020-07-21 10:35:09,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:09,106 INFO L93 Difference]: Finished difference Result 184 states and 221 transitions. [2020-07-21 10:35:09,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:09,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 10:35:09,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:09,109 INFO L225 Difference]: With dead ends: 184 [2020-07-21 10:35:09,109 INFO L226 Difference]: Without dead ends: 104 [2020-07-21 10:35:09,111 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 10:35:09,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-07-21 10:35:09,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-07-21 10:35:09,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-07-21 10:35:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2020-07-21 10:35:09,125 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 47 [2020-07-21 10:35:09,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:09,125 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2020-07-21 10:35:09,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:09,126 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2020-07-21 10:35:09,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-07-21 10:35:09,128 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:09,128 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] [2020-07-21 10:35:09,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:09,343 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:09,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:09,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1394197182, now seen corresponding path program 1 times [2020-07-21 10:35:09,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:09,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [14923361] [2020-07-21 10:35:09,344 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 10:35:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:09,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:35:09,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:09,532 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 10:35:09,532 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:09,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [14923361] [2020-07-21 10:35:09,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:09,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:09,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14213706] [2020-07-21 10:35:09,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:09,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:09,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:09,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:09,536 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 3 states. [2020-07-21 10:35:09,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:09,550 INFO L93 Difference]: Finished difference Result 157 states and 179 transitions. [2020-07-21 10:35:09,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:09,553 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-07-21 10:35:09,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:09,554 INFO L225 Difference]: With dead ends: 157 [2020-07-21 10:35:09,554 INFO L226 Difference]: Without dead ends: 95 [2020-07-21 10:35:09,555 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 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 10:35:09,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-07-21 10:35:09,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2020-07-21 10:35:09,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-21 10:35:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2020-07-21 10:35:09,571 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 55 [2020-07-21 10:35:09,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:09,571 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2020-07-21 10:35:09,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:09,572 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2020-07-21 10:35:09,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 10:35:09,576 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:09,576 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] [2020-07-21 10:35:09,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:09,778 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:09,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:09,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1870012479, now seen corresponding path program 1 times [2020-07-21 10:35:09,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:09,779 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [103267769] [2020-07-21 10:35:09,779 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 10:35:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:09,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:35:09,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:10,040 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 10:35:10,041 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:10,041 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [103267769] [2020-07-21 10:35:10,042 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:10,042 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:35:10,042 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983119733] [2020-07-21 10:35:10,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:35:10,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:10,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:35:10,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:35:10,044 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 6 states. [2020-07-21 10:35:10,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:10,225 INFO L93 Difference]: Finished difference Result 143 states and 168 transitions. [2020-07-21 10:35:10,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:35:10,228 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2020-07-21 10:35:10,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:10,229 INFO L225 Difference]: With dead ends: 143 [2020-07-21 10:35:10,229 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:35:10,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 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 10:35:10,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:35:10,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:35:10,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:35:10,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:35:10,232 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2020-07-21 10:35:10,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:10,233 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:35:10,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:35:10,233 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:35:10,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:35:10,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:10,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:35:10,929 INFO L268 CegarLoopResult]: For program point L152(lines 152 156) no Hoare annotation was computed. [2020-07-21 10:35:10,929 INFO L268 CegarLoopResult]: For program point L152-1(lines 152 156) no Hoare annotation was computed. [2020-07-21 10:35:10,929 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-07-21 10:35:10,929 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 121 176) no Hoare annotation was computed. [2020-07-21 10:35:10,929 INFO L268 CegarLoopResult]: For program point L146-2(lines 146 167) no Hoare annotation was computed. [2020-07-21 10:35:10,930 INFO L268 CegarLoopResult]: For program point L168(lines 145 169) no Hoare annotation was computed. [2020-07-21 10:35:10,930 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 121 176) no Hoare annotation was computed. [2020-07-21 10:35:10,930 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 121 176) no Hoare annotation was computed. [2020-07-21 10:35:10,930 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-21 10:35:10,930 INFO L268 CegarLoopResult]: For program point L222-1(line 222) no Hoare annotation was computed. [2020-07-21 10:35:10,930 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 177 236) no Hoare annotation was computed. [2020-07-21 10:35:10,930 INFO L268 CegarLoopResult]: For program point L209(lines 209 213) no Hoare annotation was computed. [2020-07-21 10:35:10,931 INFO L268 CegarLoopResult]: For program point L209-1(lines 209 213) no Hoare annotation was computed. [2020-07-21 10:35:10,931 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 177 236) no Hoare annotation was computed. [2020-07-21 10:35:10,931 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-07-21 10:35:10,931 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 177 236) no Hoare annotation was computed. [2020-07-21 10:35:10,931 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 228) no Hoare annotation was computed. [2020-07-21 10:35:10,931 INFO L268 CegarLoopResult]: For program point L229(lines 202 230) no Hoare annotation was computed. [2020-07-21 10:35:10,932 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2020-07-21 10:35:10,932 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2020-07-21 10:35:10,932 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2020-07-21 10:35:10,932 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2020-07-21 10:35:10,932 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2020-07-21 10:35:10,932 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 515 537) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:10,933 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 515 537) no Hoare annotation was computed. [2020-07-21 10:35:10,933 INFO L264 CegarLoopResult]: At program point L527(line 527) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:10,933 INFO L264 CegarLoopResult]: At program point L527-1(line 527) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:10,933 INFO L268 CegarLoopResult]: For program point L525(lines 525 532) no Hoare annotation was computed. [2020-07-21 10:35:10,933 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 515 537) no Hoare annotation was computed. [2020-07-21 10:35:10,933 INFO L268 CegarLoopResult]: For program point L525-1(lines 525 532) no Hoare annotation was computed. [2020-07-21 10:35:10,933 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-21 10:35:10,934 INFO L264 CegarLoopResult]: At program point L522(line 522) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:10,934 INFO L264 CegarLoopResult]: At program point L521(line 521) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:10,934 INFO L264 CegarLoopResult]: At program point L521-1(line 521) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:10,934 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-21 10:35:10,934 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-07-21 10:35:10,935 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 470 493) no Hoare annotation was computed. [2020-07-21 10:35:10,935 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-21 10:35:10,935 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-21 10:35:10,935 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-07-21 10:35:10,935 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 470 493) no Hoare annotation was computed. [2020-07-21 10:35:10,935 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-21 10:35:10,935 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 470 493) no Hoare annotation was computed. [2020-07-21 10:35:10,936 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-21 10:35:10,936 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-21 10:35:10,936 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-21 10:35:10,936 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-07-21 10:35:10,936 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-21 10:35:10,936 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-21 10:35:10,936 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-07-21 10:35:10,937 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-21 10:35:10,937 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 640 648) no Hoare annotation was computed. [2020-07-21 10:35:10,937 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 640 648) the Hoare annotation is: true [2020-07-21 10:35:10,937 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 640 648) no Hoare annotation was computed. [2020-07-21 10:35:10,937 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 685 703) the Hoare annotation is: true [2020-07-21 10:35:10,937 INFO L268 CegarLoopResult]: For program point L694(lines 694 698) no Hoare annotation was computed. [2020-07-21 10:35:10,937 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 685 703) no Hoare annotation was computed. [2020-07-21 10:35:10,938 INFO L271 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: true [2020-07-21 10:35:10,938 INFO L268 CegarLoopResult]: For program point L694-2(lines 694 698) no Hoare annotation was computed. [2020-07-21 10:35:10,938 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-07-21 10:35:10,938 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 685 703) no Hoare annotation was computed. [2020-07-21 10:35:10,938 INFO L268 CegarLoopResult]: For program point L668(lines 668 676) no Hoare annotation was computed. [2020-07-21 10:35:10,938 INFO L268 CegarLoopResult]: For program point L668-2(lines 668 676) no Hoare annotation was computed. [2020-07-21 10:35:10,938 INFO L268 CegarLoopResult]: For program point L656(lines 656 664) no Hoare annotation was computed. [2020-07-21 10:35:10,939 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 649 684) no Hoare annotation was computed. [2020-07-21 10:35:10,939 INFO L268 CegarLoopResult]: For program point L656-2(lines 656 664) no Hoare annotation was computed. [2020-07-21 10:35:10,939 INFO L268 CegarLoopResult]: For program point L679(line 679) no Hoare annotation was computed. [2020-07-21 10:35:10,939 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 649 684) no Hoare annotation was computed. [2020-07-21 10:35:10,939 INFO L268 CegarLoopResult]: For program point L679-1(line 679) no Hoare annotation was computed. [2020-07-21 10:35:10,939 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 649 684) no Hoare annotation was computed. [2020-07-21 10:35:10,939 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2020-07-21 10:35:10,939 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2020-07-21 10:35:10,940 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 75 120) no Hoare annotation was computed. [2020-07-21 10:35:10,940 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 75 120) no Hoare annotation was computed. [2020-07-21 10:35:10,940 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 75 120) no Hoare annotation was computed. [2020-07-21 10:35:10,940 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 388 433) no Hoare annotation was computed. [2020-07-21 10:35:10,940 INFO L268 CegarLoopResult]: For program point L408(lines 408 415) no Hoare annotation was computed. [2020-07-21 10:35:10,940 INFO L268 CegarLoopResult]: For program point L402(lines 402 422) no Hoare annotation was computed. [2020-07-21 10:35:10,940 INFO L268 CegarLoopResult]: For program point L402-1(lines 402 422) no Hoare annotation was computed. [2020-07-21 10:35:10,941 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 388 433) no Hoare annotation was computed. [2020-07-21 10:35:10,941 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 388 433) no Hoare annotation was computed. [2020-07-21 10:35:10,941 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 502 511) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:10,941 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 502 511) no Hoare annotation was computed. [2020-07-21 10:35:10,941 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 502 511) no Hoare annotation was computed. [2020-07-21 10:35:10,941 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 629 639) no Hoare annotation was computed. [2020-07-21 10:35:10,941 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 629 639) no Hoare annotation was computed. [2020-07-21 10:35:10,942 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-07-21 10:35:10,942 INFO L268 CegarLoopResult]: For program point L634-1(line 634) no Hoare annotation was computed. [2020-07-21 10:35:10,942 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 629 639) no Hoare annotation was computed. [2020-07-21 10:35:10,942 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 621 628) the Hoare annotation is: true [2020-07-21 10:35:10,942 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 621 628) no Hoare annotation was computed. [2020-07-21 10:35:10,942 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 621 628) no Hoare annotation was computed. [2020-07-21 10:35:10,942 INFO L264 CegarLoopResult]: At program point L607(line 607) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:10,943 INFO L268 CegarLoopResult]: For program point L607-1(lines 588 612) no Hoare annotation was computed. [2020-07-21 10:35:10,943 INFO L264 CegarLoopResult]: At program point L602(line 602) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:10,943 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 588 612) no Hoare annotation was computed. [2020-07-21 10:35:10,943 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:10,943 INFO L268 CegarLoopResult]: For program point L596(lines 596 604) no Hoare annotation was computed. [2020-07-21 10:35:10,943 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 588 612) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:10,944 INFO L264 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:10,944 INFO L268 CegarLoopResult]: For program point L594-1(line 594) no Hoare annotation was computed. [2020-07-21 10:35:10,944 INFO L268 CegarLoopResult]: For program point L592(lines 592 609) no Hoare annotation was computed. [2020-07-21 10:35:10,944 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 580 586) no Hoare annotation was computed. [2020-07-21 10:35:10,944 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 580 586) the Hoare annotation is: true [2020-07-21 10:35:10,944 INFO L264 CegarLoopResult]: At program point testENTRY(lines 795 858) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:10,945 INFO L268 CegarLoopResult]: For program point testFINAL(lines 795 858) no Hoare annotation was computed. [2020-07-21 10:35:10,945 INFO L264 CegarLoopResult]: At program point L851(lines 804 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:10,945 INFO L268 CegarLoopResult]: For program point L841(lines 841 845) no Hoare annotation was computed. [2020-07-21 10:35:10,945 INFO L264 CegarLoopResult]: At program point L841-2(lines 835 846) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-21 10:35:10,945 INFO L268 CegarLoopResult]: For program point L806(lines 805 850) no Hoare annotation was computed. [2020-07-21 10:35:10,945 INFO L268 CegarLoopResult]: For program point L835(lines 835 846) no Hoare annotation was computed. [2020-07-21 10:35:10,946 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-21 10:35:10,946 INFO L268 CegarLoopResult]: For program point L825(lines 825 831) no Hoare annotation was computed. [2020-07-21 10:35:10,946 INFO L268 CegarLoopResult]: For program point L825-1(lines 825 831) no Hoare annotation was computed. [2020-07-21 10:35:10,946 INFO L264 CegarLoopResult]: At program point L817(line 817) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-21 10:35:10,946 INFO L264 CegarLoopResult]: At program point L848(lines 805 850) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0))) [2020-07-21 10:35:10,946 INFO L268 CegarLoopResult]: For program point L815(lines 815 821) no Hoare annotation was computed. [2020-07-21 10:35:10,946 INFO L268 CegarLoopResult]: For program point L815-1(lines 815 821) no Hoare annotation was computed. [2020-07-21 10:35:10,947 INFO L268 CegarLoopResult]: For program point L807(lines 807 811) no Hoare annotation was computed. [2020-07-21 10:35:10,947 INFO L268 CegarLoopResult]: For program point testEXIT(lines 795 858) no Hoare annotation was computed. [2020-07-21 10:35:10,947 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 342 387) no Hoare annotation was computed. [2020-07-21 10:35:10,947 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 342 387) no Hoare annotation was computed. [2020-07-21 10:35:10,947 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 342 387) no Hoare annotation was computed. [2020-07-21 10:35:10,947 INFO L268 CegarLoopResult]: For program point L362(lines 362 369) no Hoare annotation was computed. [2020-07-21 10:35:10,948 INFO L268 CegarLoopResult]: For program point L356(lines 356 376) no Hoare annotation was computed. [2020-07-21 10:35:10,948 INFO L268 CegarLoopResult]: For program point L356-1(lines 356 376) no Hoare annotation was computed. [2020-07-21 10:35:10,948 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 785 793) no Hoare annotation was computed. [2020-07-21 10:35:10,948 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 785 793) the Hoare annotation is: true [2020-07-21 10:35:10,948 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 785 793) no Hoare annotation was computed. [2020-07-21 10:35:10,948 INFO L268 CegarLoopResult]: For program point L761(lines 761 769) no Hoare annotation was computed. [2020-07-21 10:35:10,948 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 753 775) no Hoare annotation was computed. [2020-07-21 10:35:10,949 INFO L268 CegarLoopResult]: For program point L761-2(lines 761 769) no Hoare annotation was computed. [2020-07-21 10:35:10,949 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 753 775) no Hoare annotation was computed. [2020-07-21 10:35:10,949 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 753 775) no Hoare annotation was computed. [2020-07-21 10:35:10,949 INFO L268 CegarLoopResult]: For program point L289(lines 288 308) no Hoare annotation was computed. [2020-07-21 10:35:10,949 INFO L268 CegarLoopResult]: For program point L320(line 320) no Hoare annotation was computed. [2020-07-21 10:35:10,949 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-07-21 10:35:10,949 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 239 341) no Hoare annotation was computed. [2020-07-21 10:35:10,949 INFO L268 CegarLoopResult]: For program point L285(lines 285 326) no Hoare annotation was computed. [2020-07-21 10:35:10,950 INFO L268 CegarLoopResult]: For program point L304(line 304) no Hoare annotation was computed. [2020-07-21 10:35:10,950 INFO L268 CegarLoopResult]: For program point L304-1(line 304) no Hoare annotation was computed. [2020-07-21 10:35:10,950 INFO L268 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-07-21 10:35:10,950 INFO L268 CegarLoopResult]: For program point L327(lines 327 338) no Hoare annotation was computed. [2020-07-21 10:35:10,950 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 239 341) no Hoare annotation was computed. [2020-07-21 10:35:10,950 INFO L268 CegarLoopResult]: For program point L290(lines 290 294) no Hoare annotation was computed. [2020-07-21 10:35:10,950 INFO L268 CegarLoopResult]: For program point L288-2(lines 288 308) no Hoare annotation was computed. [2020-07-21 10:35:10,950 INFO L268 CegarLoopResult]: For program point L309(lines 287 310) no Hoare annotation was computed. [2020-07-21 10:35:10,951 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 239 341) no Hoare annotation was computed. [2020-07-21 10:35:10,951 INFO L268 CegarLoopResult]: For program point L268(lines 268 284) no Hoare annotation was computed. [2020-07-21 10:35:10,951 INFO L268 CegarLoopResult]: For program point L328(lines 328 335) no Hoare annotation was computed. [2020-07-21 10:35:10,951 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 861 870) no Hoare annotation was computed. [2020-07-21 10:35:10,951 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 861 870) no Hoare annotation was computed. [2020-07-21 10:35:10,951 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 861 870) no Hoare annotation was computed. [2020-07-21 10:35:10,951 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:10,951 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:10,952 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:10,952 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 613 620) no Hoare annotation was computed. [2020-07-21 10:35:10,952 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 613 620) no Hoare annotation was computed. [2020-07-21 10:35:10,952 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 613 620) no Hoare annotation was computed. [2020-07-21 10:35:10,952 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 776 784) no Hoare annotation was computed. [2020-07-21 10:35:10,952 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 776 784) no Hoare annotation was computed. [2020-07-21 10:35:10,952 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 776 784) no Hoare annotation was computed. [2020-07-21 10:35:10,952 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:10,953 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:35:10,953 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:10,953 INFO L268 CegarLoopResult]: For program point L736-1(lines 732 743) no Hoare annotation was computed. [2020-07-21 10:35:10,953 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 732 743) the Hoare annotation is: true [2020-07-21 10:35:10,953 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 732 743) no Hoare annotation was computed. [2020-07-21 10:35:10,953 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 744 752) the Hoare annotation is: true [2020-07-21 10:35:10,953 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 744 752) no Hoare annotation was computed. [2020-07-21 10:35:10,954 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 744 752) no Hoare annotation was computed. [2020-07-21 10:35:10,954 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:10,954 INFO L264 CegarLoopResult]: At program point L567(lines 567 573) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:10,954 INFO L264 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:10,954 INFO L268 CegarLoopResult]: For program point L560(lines 559 578) no Hoare annotation was computed. [2020-07-21 10:35:10,954 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 556 579) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:10,955 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 556 579) no Hoare annotation was computed. [2020-07-21 10:35:10,955 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 556 579) no Hoare annotation was computed. [2020-07-21 10:35:10,955 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-21 10:35:10,955 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 437 466) no Hoare annotation was computed. [2020-07-21 10:35:10,955 INFO L271 CegarLoopResult]: At program point L447-2(lines 447 461) the Hoare annotation is: true [2020-07-21 10:35:10,955 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 437 466) the Hoare annotation is: true [2020-07-21 10:35:10,955 INFO L271 CegarLoopResult]: At program point L443(line 443) the Hoare annotation is: true [2020-07-21 10:35:10,956 INFO L268 CegarLoopResult]: For program point L443-1(line 443) no Hoare annotation was computed. [2020-07-21 10:35:10,956 INFO L271 CegarLoopResult]: At program point L462(lines 437 466) the Hoare annotation is: true [2020-07-21 10:35:10,956 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-21 10:35:10,956 INFO L268 CegarLoopResult]: For program point L451(lines 451 455) no Hoare annotation was computed. [2020-07-21 10:35:10,956 INFO L271 CegarLoopResult]: At program point L451-1(lines 451 455) the Hoare annotation is: true [2020-07-21 10:35:10,956 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 708 719) the Hoare annotation is: true [2020-07-21 10:35:10,956 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 708 719) no Hoare annotation was computed. [2020-07-21 10:35:10,956 INFO L268 CegarLoopResult]: For program point L712-1(lines 708 719) no Hoare annotation was computed. [2020-07-21 10:35:10,957 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 494 500) no Hoare annotation was computed. [2020-07-21 10:35:10,957 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 494 500) the Hoare annotation is: true [2020-07-21 10:35:10,957 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:10,957 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:35:10,957 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:10,957 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:10,957 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 720 731) no Hoare annotation was computed. [2020-07-21 10:35:10,957 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 720 731) the Hoare annotation is: true [2020-07-21 10:35:10,958 INFO L268 CegarLoopResult]: For program point L724-1(lines 720 731) no Hoare annotation was computed. [2020-07-21 10:35:10,958 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 539 546) no Hoare annotation was computed. [2020-07-21 10:35:10,958 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 543) no Hoare annotation was computed. [2020-07-21 10:35:10,958 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 539 546) the Hoare annotation is: true [2020-07-21 10:35:10,958 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 539 546) no Hoare annotation was computed. [2020-07-21 10:35:10,958 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-21 10:35:10,958 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:35:10,959 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-21 10:35:10,959 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-21 10:35:10,959 INFO L271 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: true [2020-07-21 10:35:10,959 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-21 10:35:10,959 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-21 10:35:10,959 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-21 10:35:10,959 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-21 10:35:10,960 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-21 10:35:10,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:35:10 BoogieIcfgContainer [2020-07-21 10:35:10,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:35:10,978 INFO L168 Benchmark]: Toolchain (without parser) took 4895.61 ms. Allocated memory was 146.3 MB in the beginning and 244.3 MB in the end (delta: 98.0 MB). Free memory was 101.5 MB in the beginning and 112.0 MB in the end (delta: -10.5 MB). Peak memory consumption was 87.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:10,979 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:35:10,980 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.83 ms. Allocated memory was 146.3 MB in the beginning and 207.1 MB in the end (delta: 60.8 MB). Free memory was 101.0 MB in the beginning and 177.5 MB in the end (delta: -76.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:10,981 INFO L168 Benchmark]: Boogie Preprocessor took 110.13 ms. Allocated memory is still 207.1 MB. Free memory was 177.5 MB in the beginning and 172.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:10,982 INFO L168 Benchmark]: RCFGBuilder took 1199.60 ms. Allocated memory was 207.1 MB in the beginning and 233.8 MB in the end (delta: 26.7 MB). Free memory was 172.5 MB in the beginning and 196.6 MB in the end (delta: -24.1 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:10,983 INFO L168 Benchmark]: TraceAbstraction took 2929.43 ms. Allocated memory was 233.8 MB in the beginning and 244.3 MB in the end (delta: 10.5 MB). Free memory was 196.6 MB in the beginning and 112.0 MB in the end (delta: 84.6 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:10,987 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 648.83 ms. Allocated memory was 146.3 MB in the beginning and 207.1 MB in the end (delta: 60.8 MB). Free memory was 101.0 MB in the beginning and 177.5 MB in the end (delta: -76.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.13 ms. Allocated memory is still 207.1 MB. Free memory was 177.5 MB in the beginning and 172.5 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1199.60 ms. Allocated memory was 207.1 MB in the beginning and 233.8 MB in the end (delta: 26.7 MB). Free memory was 172.5 MB in the beginning and 196.6 MB in the end (delta: -24.1 MB). Peak memory consumption was 83.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2929.43 ms. Allocated memory was 233.8 MB in the beginning and 244.3 MB in the end (delta: 10.5 MB). Free memory was 196.6 MB in the beginning and 112.0 MB in the end (delta: 84.6 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 543]: 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: 804]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= systemActive) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == \old(pumpRunning))) || (0 == pumpRunning && splverifierCounter <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 433 SDtfs, 162 SDslu, 280 SDs, 0 SdLazy, 50 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 205 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred 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, 49 LocationsWithAnnotation, 171 PreInvPairs, 179 NumberOfFragments, 306 HoareAnnotationTreeSize, 171 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 244 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 15973 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2582 ConjunctsInSsa, 16 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...