java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:39,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:39,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:39,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:39,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:39,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:39,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:39,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:39,764 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:39,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:39,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:39,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:39,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:39,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:39,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:39,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:39,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:39,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:39,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:39,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:39,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:39,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:39,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:39,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:39,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:39,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:39,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:39,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:39,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:39,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:39,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:39,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:39,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:39,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:39,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:39,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:39,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:39,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:39,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:39,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:39,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:39,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:21:39,833 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:39,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:39,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:39,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:39,835 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:39,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:39,835 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:39,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:39,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:39,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:39,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:39,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:39,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:39,836 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:39,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:39,837 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:39,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:39,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:39,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:39,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:39,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:39,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:39,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:39,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:39,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:39,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:39,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:39,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:39,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:21:40,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:40,114 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:40,117 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:40,118 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:40,119 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:40,119 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2019-10-13 21:21:40,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2be35ee57/e275669cb35d4e6bb0c91dd7d7373a78/FLAG69d9a1878 [2019-10-13 21:21:40,723 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:40,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product08.cil.c [2019-10-13 21:21:40,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2be35ee57/e275669cb35d4e6bb0c91dd7d7373a78/FLAG69d9a1878 [2019-10-13 21:21:41,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2be35ee57/e275669cb35d4e6bb0c91dd7d7373a78 [2019-10-13 21:21:41,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:41,043 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:41,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:41,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:41,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:41,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:41" (1/1) ... [2019-10-13 21:21:41,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4d736e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41, skipping insertion in model container [2019-10-13 21:21:41,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:41" (1/1) ... [2019-10-13 21:21:41,057 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:41,105 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:41,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:41,543 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:41,652 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:41,692 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:41,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41 WrapperNode [2019-10-13 21:21:41,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:41,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:41,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:41,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:41,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (1/1) ... [2019-10-13 21:21:41,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (1/1) ... [2019-10-13 21:21:41,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (1/1) ... [2019-10-13 21:21:41,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (1/1) ... [2019-10-13 21:21:41,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (1/1) ... [2019-10-13 21:21:41,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (1/1) ... [2019-10-13 21:21:41,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (1/1) ... [2019-10-13 21:21:41,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:41,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:41,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:41,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:41,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:41,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:41,877 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:41,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:41,880 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:41,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:41,883 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:41,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:41,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:41,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:41,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:41,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:41,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:41,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:41,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:41,885 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:41,885 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:41,885 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:41,885 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:21:41,886 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:21:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:41,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:41,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:41,888 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:41,889 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:41,890 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:41,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:41,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:41,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:41,894 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:21:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:21:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:41,895 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:41,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:41,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:42,934 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:42,935 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:42,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:42 BoogieIcfgContainer [2019-10-13 21:21:42,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:42,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:42,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:42,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:42,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:41" (1/3) ... [2019-10-13 21:21:42,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@378ecd9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:42, skipping insertion in model container [2019-10-13 21:21:42,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:41" (2/3) ... [2019-10-13 21:21:42,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@378ecd9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:42, skipping insertion in model container [2019-10-13 21:21:42,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:42" (3/3) ... [2019-10-13 21:21:42,947 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2019-10-13 21:21:42,956 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:42,964 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:42,976 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:43,014 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:43,015 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:43,015 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:43,015 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:43,015 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:43,015 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:43,015 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:43,016 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:43,035 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2019-10-13 21:21:43,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:21:43,044 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:43,045 INFO L380 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] [2019-10-13 21:21:43,047 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:43,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:43,051 INFO L82 PathProgramCache]: Analyzing trace with hash 232346821, now seen corresponding path program 1 times [2019-10-13 21:21:43,061 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:43,062 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524836160] [2019-10-13 21:21:43,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:43,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:43,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:43,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:43,371 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524836160] [2019-10-13 21:21:43,372 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:43,374 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:43,374 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459279739] [2019-10-13 21:21:43,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:43,386 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:43,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:43,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:43,404 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2019-10-13 21:21:43,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:43,448 INFO L93 Difference]: Finished difference Result 224 states and 277 transitions. [2019-10-13 21:21:43,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:43,449 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:21:43,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:43,462 INFO L225 Difference]: With dead ends: 224 [2019-10-13 21:21:43,462 INFO L226 Difference]: Without dead ends: 112 [2019-10-13 21:21:43,466 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:43,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2019-10-13 21:21:43,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2019-10-13 21:21:43,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2019-10-13 21:21:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2019-10-13 21:21:43,517 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 46 [2019-10-13 21:21:43,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:43,518 INFO L462 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2019-10-13 21:21:43,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:43,518 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2019-10-13 21:21:43,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:21:43,522 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:43,523 INFO L380 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] [2019-10-13 21:21:43,523 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:43,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:43,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1830481593, now seen corresponding path program 1 times [2019-10-13 21:21:43,524 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:43,524 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275271644] [2019-10-13 21:21:43,524 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:43,524 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:43,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:43,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:43,680 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275271644] [2019-10-13 21:21:43,680 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:43,680 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:43,681 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761524841] [2019-10-13 21:21:43,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:43,684 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:43,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:43,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:43,685 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 3 states. [2019-10-13 21:21:43,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:43,724 INFO L93 Difference]: Finished difference Result 163 states and 187 transitions. [2019-10-13 21:21:43,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:43,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:21:43,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:43,731 INFO L225 Difference]: With dead ends: 163 [2019-10-13 21:21:43,731 INFO L226 Difference]: Without dead ends: 103 [2019-10-13 21:21:43,734 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:43,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2019-10-13 21:21:43,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2019-10-13 21:21:43,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2019-10-13 21:21:43,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2019-10-13 21:21:43,757 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 47 [2019-10-13 21:21:43,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:43,758 INFO L462 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2019-10-13 21:21:43,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:43,758 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2019-10-13 21:21:43,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:43,763 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:43,763 INFO L380 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] [2019-10-13 21:21:43,763 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:43,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:43,764 INFO L82 PathProgramCache]: Analyzing trace with hash -1249539500, now seen corresponding path program 1 times [2019-10-13 21:21:43,767 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:43,767 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660834864] [2019-10-13 21:21:43,767 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:43,767 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:43,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:43,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:43,939 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660834864] [2019-10-13 21:21:43,939 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:43,939 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:43,939 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260360707] [2019-10-13 21:21:43,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:43,940 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:43,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:43,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:43,941 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 7 states. [2019-10-13 21:21:44,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:44,387 INFO L93 Difference]: Finished difference Result 311 states and 374 transitions. [2019-10-13 21:21:44,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:44,387 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:21:44,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:44,418 INFO L225 Difference]: With dead ends: 311 [2019-10-13 21:21:44,418 INFO L226 Difference]: Without dead ends: 232 [2019-10-13 21:21:44,419 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:44,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2019-10-13 21:21:44,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 220. [2019-10-13 21:21:44,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2019-10-13 21:21:44,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 264 transitions. [2019-10-13 21:21:44,447 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 264 transitions. Word has length 52 [2019-10-13 21:21:44,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:44,448 INFO L462 AbstractCegarLoop]: Abstraction has 220 states and 264 transitions. [2019-10-13 21:21:44,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:44,448 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 264 transitions. [2019-10-13 21:21:44,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:21:44,450 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:44,451 INFO L380 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] [2019-10-13 21:21:44,451 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:44,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:44,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1248876172, now seen corresponding path program 1 times [2019-10-13 21:21:44,452 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:44,452 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651589053] [2019-10-13 21:21:44,452 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:44,452 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:44,452 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:44,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:44,639 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651589053] [2019-10-13 21:21:44,639 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:44,639 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:44,640 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402043919] [2019-10-13 21:21:44,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:44,640 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:44,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:44,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:44,641 INFO L87 Difference]: Start difference. First operand 220 states and 264 transitions. Second operand 10 states. [2019-10-13 21:21:45,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:45,136 INFO L93 Difference]: Finished difference Result 760 states and 975 transitions. [2019-10-13 21:21:45,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:21:45,138 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-10-13 21:21:45,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:45,145 INFO L225 Difference]: With dead ends: 760 [2019-10-13 21:21:45,145 INFO L226 Difference]: Without dead ends: 564 [2019-10-13 21:21:45,148 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:45,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-10-13 21:21:45,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 552. [2019-10-13 21:21:45,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2019-10-13 21:21:45,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 682 transitions. [2019-10-13 21:21:45,237 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 682 transitions. Word has length 57 [2019-10-13 21:21:45,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:45,238 INFO L462 AbstractCegarLoop]: Abstraction has 552 states and 682 transitions. [2019-10-13 21:21:45,238 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 682 transitions. [2019-10-13 21:21:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 21:21:45,242 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:45,242 INFO L380 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, 1] [2019-10-13 21:21:45,242 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:45,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:45,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1908801166, now seen corresponding path program 1 times [2019-10-13 21:21:45,243 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:45,243 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666717611] [2019-10-13 21:21:45,243 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:45,243 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:45,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:45,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:21:45,330 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666717611] [2019-10-13 21:21:45,330 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:45,330 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:21:45,330 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070153355] [2019-10-13 21:21:45,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:21:45,331 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:45,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:21:45,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:21:45,332 INFO L87 Difference]: Start difference. First operand 552 states and 682 transitions. Second operand 4 states. [2019-10-13 21:21:45,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:45,507 INFO L93 Difference]: Finished difference Result 936 states and 1192 transitions. [2019-10-13 21:21:45,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:21:45,509 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-10-13 21:21:45,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:45,513 INFO L225 Difference]: With dead ends: 936 [2019-10-13 21:21:45,513 INFO L226 Difference]: Without dead ends: 408 [2019-10-13 21:21:45,516 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:45,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2019-10-13 21:21:45,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2019-10-13 21:21:45,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-10-13 21:21:45,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2019-10-13 21:21:45,552 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 61 [2019-10-13 21:21:45,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:45,552 INFO L462 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2019-10-13 21:21:45,552 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:21:45,552 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2019-10-13 21:21:45,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 21:21:45,555 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:45,555 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:45,555 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:45,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:45,556 INFO L82 PathProgramCache]: Analyzing trace with hash 264696333, now seen corresponding path program 1 times [2019-10-13 21:21:45,556 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:45,556 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659059367] [2019-10-13 21:21:45,556 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:45,557 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:45,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:45,646 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 21:21:45,647 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659059367] [2019-10-13 21:21:45,647 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560307119] [2019-10-13 21:21:45,647 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:45,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:21:45,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:46,008 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:46,008 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:46,125 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:21:46,240 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [127722628] [2019-10-13 21:21:46,247 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 90 [2019-10-13 21:21:46,296 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:21:46,297 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:21:46,359 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:21:46,361 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:21:46,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:46,365 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:21:46,406 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:21:46,406 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:21:46,409 INFO L553 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2019-10-13 21:21:46,409 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:21:46,410 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:21:46,410 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-13 21:21:46,410 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673553906] [2019-10-13 21:21:46,411 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:46,412 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:46,412 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:21:46,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:46,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:46,413 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 2 states. [2019-10-13 21:21:46,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:46,418 INFO L93 Difference]: Finished difference Result 396 states and 458 transitions. [2019-10-13 21:21:46,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:46,418 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 89 [2019-10-13 21:21:46,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:46,419 INFO L225 Difference]: With dead ends: 396 [2019-10-13 21:21:46,419 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:46,420 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:46,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:46,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:46,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:46,422 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2019-10-13 21:21:46,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:46,423 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:46,423 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:46,423 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:46,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:46,628 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:46,635 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:46,814 INFO L443 ceAbstractionStarter]: For program point L346(lines 346 350) no Hoare annotation was computed. [2019-10-13 21:21:46,814 INFO L443 ceAbstractionStarter]: For program point L346-1(lines 346 350) no Hoare annotation was computed. [2019-10-13 21:21:46,814 INFO L443 ceAbstractionStarter]: For program point L341(line 341) no Hoare annotation was computed. [2019-10-13 21:21:46,814 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 315 370) no Hoare annotation was computed. [2019-10-13 21:21:46,814 INFO L443 ceAbstractionStarter]: For program point L340-2(lines 340 361) no Hoare annotation was computed. [2019-10-13 21:21:46,815 INFO L443 ceAbstractionStarter]: For program point L362(lines 339 363) no Hoare annotation was computed. [2019-10-13 21:21:46,815 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 315 370) no Hoare annotation was computed. [2019-10-13 21:21:46,815 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 315 370) no Hoare annotation was computed. [2019-10-13 21:21:46,815 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-13 21:21:46,815 INFO L443 ceAbstractionStarter]: For program point L416-1(line 416) no Hoare annotation was computed. [2019-10-13 21:21:46,815 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 371 430) no Hoare annotation was computed. [2019-10-13 21:21:46,815 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 407) no Hoare annotation was computed. [2019-10-13 21:21:46,815 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 403 407) no Hoare annotation was computed. [2019-10-13 21:21:46,816 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 371 430) no Hoare annotation was computed. [2019-10-13 21:21:46,816 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-13 21:21:46,816 INFO L443 ceAbstractionStarter]: For program point L397-2(lines 397 422) no Hoare annotation was computed. [2019-10-13 21:21:46,816 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 371 430) no Hoare annotation was computed. [2019-10-13 21:21:46,816 INFO L443 ceAbstractionStarter]: For program point L423(lines 396 424) no Hoare annotation was computed. [2019-10-13 21:21:46,817 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 147 153) the Hoare annotation is: true [2019-10-13 21:21:46,817 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 147 153) no Hoare annotation was computed. [2019-10-13 21:21:46,817 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 154 162) no Hoare annotation was computed. [2019-10-13 21:21:46,817 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 154 162) the Hoare annotation is: true [2019-10-13 21:21:46,817 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 154 162) no Hoare annotation was computed. [2019-10-13 21:21:46,817 INFO L446 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: true [2019-10-13 21:21:46,818 INFO L443 ceAbstractionStarter]: For program point L641-1(line 641) no Hoare annotation was computed. [2019-10-13 21:21:46,818 INFO L443 ceAbstractionStarter]: For program point L639(lines 639 652) no Hoare annotation was computed. [2019-10-13 21:21:46,818 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 631 655) the Hoare annotation is: true [2019-10-13 21:21:46,818 INFO L443 ceAbstractionStarter]: For program point L639-1(lines 631 655) no Hoare annotation was computed. [2019-10-13 21:21:46,818 INFO L446 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: true [2019-10-13 21:21:46,818 INFO L443 ceAbstractionStarter]: For program point L637-1(line 637) no Hoare annotation was computed. [2019-10-13 21:21:46,818 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 631 655) no Hoare annotation was computed. [2019-10-13 21:21:46,819 INFO L446 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: true [2019-10-13 21:21:46,819 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2019-10-13 21:21:46,819 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 239 261) the Hoare annotation is: true [2019-10-13 21:21:46,819 INFO L446 ceAbstractionStarter]: At program point L251(line 251) the Hoare annotation is: true [2019-10-13 21:21:46,819 INFO L446 ceAbstractionStarter]: At program point L251-1(line 251) the Hoare annotation is: true [2019-10-13 21:21:46,819 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 256) no Hoare annotation was computed. [2019-10-13 21:21:46,819 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 239 261) no Hoare annotation was computed. [2019-10-13 21:21:46,820 INFO L443 ceAbstractionStarter]: For program point L249-1(lines 249 256) no Hoare annotation was computed. [2019-10-13 21:21:46,820 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-10-13 21:21:46,820 INFO L446 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: true [2019-10-13 21:21:46,820 INFO L446 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2019-10-13 21:21:46,820 INFO L446 ceAbstractionStarter]: At program point L245-1(line 245) the Hoare annotation is: true [2019-10-13 21:21:46,820 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 239 261) no Hoare annotation was computed. [2019-10-13 21:21:46,820 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 197 220) no Hoare annotation was computed. [2019-10-13 21:21:46,821 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 197 220) no Hoare annotation was computed. [2019-10-13 21:21:46,821 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 197 220) no Hoare annotation was computed. [2019-10-13 21:21:46,821 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-10-13 21:21:46,821 INFO L443 ceAbstractionStarter]: For program point L214(line 214) no Hoare annotation was computed. [2019-10-13 21:21:46,821 INFO L443 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2019-10-13 21:21:46,821 INFO L443 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2019-10-13 21:21:46,821 INFO L443 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2019-10-13 21:21:46,822 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-10-13 21:21:46,822 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-10-13 21:21:46,822 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-10-13 21:21:46,822 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-10-13 21:21:46,822 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-10-13 21:21:46,822 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-10-13 21:21:46,822 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-10-13 21:21:46,823 INFO L443 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2019-10-13 21:21:46,823 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 21:21:46,823 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 793 807) no Hoare annotation was computed. [2019-10-13 21:21:46,823 INFO L446 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2019-10-13 21:21:46,823 INFO L443 ceAbstractionStarter]: For program point L797(lines 797 803) no Hoare annotation was computed. [2019-10-13 21:21:46,823 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 793 807) the Hoare annotation is: true [2019-10-13 21:21:46,824 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 793 807) no Hoare annotation was computed. [2019-10-13 21:21:46,824 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 748 756) no Hoare annotation was computed. [2019-10-13 21:21:46,824 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 748 756) the Hoare annotation is: true [2019-10-13 21:21:46,824 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 748 756) no Hoare annotation was computed. [2019-10-13 21:21:46,824 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 772) no Hoare annotation was computed. [2019-10-13 21:21:46,824 INFO L443 ceAbstractionStarter]: For program point L764-2(lines 764 772) no Hoare annotation was computed. [2019-10-13 21:21:46,825 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-10-13 21:21:46,825 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-10-13 21:21:46,825 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 757 792) no Hoare annotation was computed. [2019-10-13 21:21:46,825 INFO L443 ceAbstractionStarter]: For program point L776(lines 776 784) no Hoare annotation was computed. [2019-10-13 21:21:46,825 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 757 792) no Hoare annotation was computed. [2019-10-13 21:21:46,825 INFO L443 ceAbstractionStarter]: For program point L776-2(lines 776 784) no Hoare annotation was computed. [2019-10-13 21:21:46,826 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 757 792) no Hoare annotation was computed. [2019-10-13 21:21:46,826 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 140 146) no Hoare annotation was computed. [2019-10-13 21:21:46,826 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 140 146) the Hoare annotation is: true [2019-10-13 21:21:46,826 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 269 314) no Hoare annotation was computed. [2019-10-13 21:21:46,826 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 269 314) no Hoare annotation was computed. [2019-10-13 21:21:46,826 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 269 314) no Hoare annotation was computed. [2019-10-13 21:21:46,826 INFO L443 ceAbstractionStarter]: For program point L602(lines 602 609) no Hoare annotation was computed. [2019-10-13 21:21:46,827 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 582 627) no Hoare annotation was computed. [2019-10-13 21:21:46,827 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 616) no Hoare annotation was computed. [2019-10-13 21:21:46,827 INFO L443 ceAbstractionStarter]: For program point L596-1(lines 596 616) no Hoare annotation was computed. [2019-10-13 21:21:46,827 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 582 627) no Hoare annotation was computed. [2019-10-13 21:21:46,827 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 582 627) no Hoare annotation was computed. [2019-10-13 21:21:46,828 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 229 238) the Hoare annotation is: true [2019-10-13 21:21:46,828 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 229 238) no Hoare annotation was computed. [2019-10-13 21:21:46,828 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 229 238) no Hoare annotation was computed. [2019-10-13 21:21:46,828 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 737 747) the Hoare annotation is: true [2019-10-13 21:21:46,828 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 737 747) no Hoare annotation was computed. [2019-10-13 21:21:46,828 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 737 747) no Hoare annotation was computed. [2019-10-13 21:21:46,828 INFO L446 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2019-10-13 21:21:46,828 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-10-13 21:21:46,829 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 729 736) the Hoare annotation is: true [2019-10-13 21:21:46,829 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2019-10-13 21:21:46,829 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 729 736) no Hoare annotation was computed. [2019-10-13 21:21:46,829 INFO L443 ceAbstractionStarter]: For program point L704(lines 704 712) no Hoare annotation was computed. [2019-10-13 21:21:46,829 INFO L446 ceAbstractionStarter]: At program point L702(line 702) the Hoare annotation is: true [2019-10-13 21:21:46,829 INFO L443 ceAbstractionStarter]: For program point L702-1(line 702) no Hoare annotation was computed. [2019-10-13 21:21:46,829 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 717) no Hoare annotation was computed. [2019-10-13 21:21:46,829 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 696 720) no Hoare annotation was computed. [2019-10-13 21:21:46,830 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 696 720) the Hoare annotation is: true [2019-10-13 21:21:46,830 INFO L446 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: true [2019-10-13 21:21:46,830 INFO L443 ceAbstractionStarter]: For program point L715-1(lines 696 720) no Hoare annotation was computed. [2019-10-13 21:21:46,830 INFO L446 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: true [2019-10-13 21:21:46,830 INFO L446 ceAbstractionStarter]: At program point L706(line 706) the Hoare annotation is: true [2019-10-13 21:21:46,830 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 688 694) no Hoare annotation was computed. [2019-10-13 21:21:46,830 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 688 694) the Hoare annotation is: true [2019-10-13 21:21:46,831 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 871) no Hoare annotation was computed. [2019-10-13 21:21:46,831 INFO L446 ceAbstractionStarter]: At program point L865-1(lines 857 872) the Hoare annotation is: true [2019-10-13 21:21:46,831 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 817 884) the Hoare annotation is: true [2019-10-13 21:21:46,831 INFO L443 ceAbstractionStarter]: For program point L828(lines 827 876) no Hoare annotation was computed. [2019-10-13 21:21:46,831 INFO L446 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: true [2019-10-13 21:21:46,831 INFO L443 ceAbstractionStarter]: For program point L857(lines 857 872) no Hoare annotation was computed. [2019-10-13 21:21:46,831 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 817 884) no Hoare annotation was computed. [2019-10-13 21:21:46,831 INFO L446 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: true [2019-10-13 21:21:46,831 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 853) no Hoare annotation was computed. [2019-10-13 21:21:46,832 INFO L443 ceAbstractionStarter]: For program point L847-1(lines 847 853) no Hoare annotation was computed. [2019-10-13 21:21:46,832 INFO L446 ceAbstractionStarter]: At program point L874(lines 827 876) the Hoare annotation is: true [2019-10-13 21:21:46,832 INFO L446 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: true [2019-10-13 21:21:46,832 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 843) no Hoare annotation was computed. [2019-10-13 21:21:46,832 INFO L443 ceAbstractionStarter]: For program point L837-1(lines 837 843) no Hoare annotation was computed. [2019-10-13 21:21:46,832 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 833) no Hoare annotation was computed. [2019-10-13 21:21:46,832 INFO L446 ceAbstractionStarter]: At program point L877(lines 826 878) the Hoare annotation is: true [2019-10-13 21:21:46,833 INFO L446 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: true [2019-10-13 21:21:46,833 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 817 884) no Hoare annotation was computed. [2019-10-13 21:21:46,833 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 536 581) no Hoare annotation was computed. [2019-10-13 21:21:46,833 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 536 581) no Hoare annotation was computed. [2019-10-13 21:21:46,833 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 536 581) no Hoare annotation was computed. [2019-10-13 21:21:46,833 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 563) no Hoare annotation was computed. [2019-10-13 21:21:46,833 INFO L443 ceAbstractionStarter]: For program point L550(lines 550 570) no Hoare annotation was computed. [2019-10-13 21:21:46,833 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 550 570) no Hoare annotation was computed. [2019-10-13 21:21:46,834 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 93 115) no Hoare annotation was computed. [2019-10-13 21:21:46,834 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 93 115) no Hoare annotation was computed. [2019-10-13 21:21:46,834 INFO L443 ceAbstractionStarter]: For program point L101(lines 101 109) no Hoare annotation was computed. [2019-10-13 21:21:46,834 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 93 115) no Hoare annotation was computed. [2019-10-13 21:21:46,834 INFO L443 ceAbstractionStarter]: For program point L101-2(lines 101 109) no Hoare annotation was computed. [2019-10-13 21:21:46,834 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 130 139) no Hoare annotation was computed. [2019-10-13 21:21:46,834 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 130 139) no Hoare annotation was computed. [2019-10-13 21:21:46,834 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 130 139) no Hoare annotation was computed. [2019-10-13 21:21:46,834 INFO L443 ceAbstractionStarter]: For program point L514-1(line 514) no Hoare annotation was computed. [2019-10-13 21:21:46,835 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 520) no Hoare annotation was computed. [2019-10-13 21:21:46,835 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 433 535) no Hoare annotation was computed. [2019-10-13 21:21:46,835 INFO L443 ceAbstractionStarter]: For program point L498(line 498) no Hoare annotation was computed. [2019-10-13 21:21:46,835 INFO L443 ceAbstractionStarter]: For program point L498-1(line 498) no Hoare annotation was computed. [2019-10-13 21:21:46,835 INFO L443 ceAbstractionStarter]: For program point L457(lines 457 461) no Hoare annotation was computed. [2019-10-13 21:21:46,835 INFO L443 ceAbstractionStarter]: For program point L521(lines 521 532) no Hoare annotation was computed. [2019-10-13 21:21:46,835 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 433 535) no Hoare annotation was computed. [2019-10-13 21:21:46,836 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 488) no Hoare annotation was computed. [2019-10-13 21:21:46,836 INFO L443 ceAbstractionStarter]: For program point L482-2(lines 482 502) no Hoare annotation was computed. [2019-10-13 21:21:46,836 INFO L443 ceAbstractionStarter]: For program point L503(lines 481 504) no Hoare annotation was computed. [2019-10-13 21:21:46,836 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 433 535) no Hoare annotation was computed. [2019-10-13 21:21:46,836 INFO L443 ceAbstractionStarter]: For program point L462(lines 462 478) no Hoare annotation was computed. [2019-10-13 21:21:46,836 INFO L443 ceAbstractionStarter]: For program point L522(lines 522 529) no Hoare annotation was computed. [2019-10-13 21:21:46,836 INFO L443 ceAbstractionStarter]: For program point L483(lines 482 502) no Hoare annotation was computed. [2019-10-13 21:21:46,836 INFO L443 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-10-13 21:21:46,837 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:46,837 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:21:46,837 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:46,837 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 721 728) no Hoare annotation was computed. [2019-10-13 21:21:46,837 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 721 728) no Hoare annotation was computed. [2019-10-13 21:21:46,837 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 721 728) no Hoare annotation was computed. [2019-10-13 21:21:46,837 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2019-10-13 21:21:46,838 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2019-10-13 21:21:46,838 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2019-10-13 21:21:46,838 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2019-10-13 21:21:46,838 INFO L443 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2019-10-13 21:21:46,838 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2019-10-13 21:21:46,838 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:46,838 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:46,839 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:46,839 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2019-10-13 21:21:46,839 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2019-10-13 21:21:46,839 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2019-10-13 21:21:46,839 INFO L446 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: true [2019-10-13 21:21:46,839 INFO L443 ceAbstractionStarter]: For program point L668(lines 667 686) no Hoare annotation was computed. [2019-10-13 21:21:46,839 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 664 687) the Hoare annotation is: true [2019-10-13 21:21:46,839 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 664 687) no Hoare annotation was computed. [2019-10-13 21:21:46,840 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 664 687) no Hoare annotation was computed. [2019-10-13 21:21:46,840 INFO L446 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: true [2019-10-13 21:21:46,840 INFO L446 ceAbstractionStarter]: At program point L675(lines 675 681) the Hoare annotation is: true [2019-10-13 21:21:46,840 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 166 195) no Hoare annotation was computed. [2019-10-13 21:21:46,840 INFO L446 ceAbstractionStarter]: At program point L191(lines 166 195) the Hoare annotation is: true [2019-10-13 21:21:46,840 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 166 195) the Hoare annotation is: true [2019-10-13 21:21:46,840 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-10-13 21:21:46,840 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:21:46,841 INFO L446 ceAbstractionStarter]: At program point L180-1(lines 180 184) the Hoare annotation is: true [2019-10-13 21:21:46,841 INFO L443 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2019-10-13 21:21:46,841 INFO L446 ceAbstractionStarter]: At program point L176-2(lines 176 190) the Hoare annotation is: true [2019-10-13 21:21:46,841 INFO L446 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2019-10-13 21:21:46,841 INFO L443 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2019-10-13 21:21:46,841 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2019-10-13 21:21:46,841 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2019-10-13 21:21:46,841 INFO L443 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2019-10-13 21:21:46,842 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 221 227) no Hoare annotation was computed. [2019-10-13 21:21:46,842 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 221 227) the Hoare annotation is: true [2019-10-13 21:21:46,842 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:46,842 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:21:46,842 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:46,842 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:46,842 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 808 815) no Hoare annotation was computed. [2019-10-13 21:21:46,843 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 808 815) the Hoare annotation is: true [2019-10-13 21:21:46,843 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 808 815) no Hoare annotation was computed. [2019-10-13 21:21:46,843 INFO L443 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2019-10-13 21:21:46,843 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2019-10-13 21:21:46,843 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2019-10-13 21:21:46,843 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 886 893) no Hoare annotation was computed. [2019-10-13 21:21:46,843 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 890) no Hoare annotation was computed. [2019-10-13 21:21:46,844 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 886 893) the Hoare annotation is: true [2019-10-13 21:21:46,844 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 886 893) no Hoare annotation was computed. [2019-10-13 21:21:46,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:46 BoogieIcfgContainer [2019-10-13 21:21:46,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:46,855 INFO L168 Benchmark]: Toolchain (without parser) took 5811.00 ms. Allocated memory was 146.8 MB in the beginning and 282.6 MB in the end (delta: 135.8 MB). Free memory was 102.6 MB in the beginning and 134.7 MB in the end (delta: -32.1 MB). Peak memory consumption was 103.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:46,856 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:46,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.05 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 102.4 MB in the beginning and 172.5 MB in the end (delta: -70.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:46,858 INFO L168 Benchmark]: Boogie Preprocessor took 103.64 ms. Allocated memory is still 203.9 MB. Free memory was 172.5 MB in the beginning and 168.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:46,859 INFO L168 Benchmark]: RCFGBuilder took 1139.69 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 168.5 MB in the beginning and 197.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:46,860 INFO L168 Benchmark]: TraceAbstraction took 3914.05 ms. Allocated memory was 234.9 MB in the beginning and 282.6 MB in the end (delta: 47.7 MB). Free memory was 197.9 MB in the beginning and 134.7 MB in the end (delta: 63.2 MB). Peak memory consumption was 110.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:46,864 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 649.05 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 102.4 MB in the beginning and 172.5 MB in the end (delta: -70.1 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.64 ms. Allocated memory is still 203.9 MB. Free memory was 172.5 MB in the beginning and 168.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1139.69 ms. Allocated memory was 203.9 MB in the beginning and 234.9 MB in the end (delta: 30.9 MB). Free memory was 168.5 MB in the beginning and 197.9 MB in the end (delta: -29.4 MB). Peak memory consumption was 81.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3914.05 ms. Allocated memory was 234.9 MB in the beginning and 282.6 MB in the end (delta: 47.7 MB). Free memory was 197.9 MB in the beginning and 134.7 MB in the end (delta: 63.2 MB). Peak memory consumption was 110.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 890]: 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: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 214 locations, 1 error locations. Result: SAFE, OverallTime: 3.8s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 632 SDtfs, 497 SDslu, 1401 SDs, 0 SdLazy, 485 SolverSat, 126 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 547 PreInvPairs, 548 NumberOfFragments, 56 HoareAnnotationTreeSize, 547 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 441 NumberOfCodeBlocks, 441 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 522 ConstructedInterpolants, 0 QuantifiedInterpolants, 79368 SizeOfPredicates, 3 NumberOfNonLiveVariables, 757 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 64/72 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 119, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0795454545454546, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...