./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash adc521790d868e8902785ea29b51f549e45d9404af4185d7531e4ae8ae0e6ca8 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:14:56,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:14:56,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:14:56,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:14:56,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:14:56,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:14:56,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:14:56,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:14:56,825 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:14:56,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:14:56,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:14:56,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:14:56,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:14:56,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:14:56,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:14:56,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:14:56,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:14:56,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:14:56,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:14:56,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:14:56,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:14:56,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:14:56,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:14:56,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:14:56,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:14:56,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:14:56,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:14:56,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:14:56,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:14:56,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:14:56,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:14:56,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:14:56,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:14:56,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:14:56,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:14:56,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:14:56,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:14:56,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:14:56,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:14:56,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:14:56,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:14:56,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:14:56,881 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:14:56,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:14:56,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:14:56,882 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:14:56,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:14:56,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:14:56,883 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:14:56,883 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:14:56,883 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:14:56,884 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:14:56,884 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:14:56,884 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:14:56,884 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:14:56,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:14:56,885 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:14:56,885 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:14:56,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:14:56,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:14:56,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:14:56,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:14:56,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:14:56,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:14:56,886 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:14:56,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:14:56,886 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:14:56,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:14:56,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:14:56,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:14:56,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:14:56,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:14:56,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:14:56,888 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:14:56,888 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adc521790d868e8902785ea29b51f549e45d9404af4185d7531e4ae8ae0e6ca8 [2022-02-21 04:14:57,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:14:57,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:14:57,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:14:57,077 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:14:57,080 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:14:57,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2022-02-21 04:14:57,125 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d98f7316a/1680e588eed14dc991a3cbb57d80dd92/FLAG914eff412 [2022-02-21 04:14:57,542 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:14:57,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2022-02-21 04:14:57,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d98f7316a/1680e588eed14dc991a3cbb57d80dd92/FLAG914eff412 [2022-02-21 04:14:57,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d98f7316a/1680e588eed14dc991a3cbb57d80dd92 [2022-02-21 04:14:57,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:14:57,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:14:57,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:14:57,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:14:57,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:14:57,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:14:57" (1/1) ... [2022-02-21 04:14:57,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e803f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:57, skipping insertion in model container [2022-02-21 04:14:57,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:14:57" (1/1) ... [2022-02-21 04:14:57,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:14:57,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:14:57,807 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c[14923,14936] [2022-02-21 04:14:57,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:14:57,822 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:14:57,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c[14923,14936] [2022-02-21 04:14:57,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:14:57,916 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:14:57,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:57 WrapperNode [2022-02-21 04:14:57,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:14:57,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:14:57,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:14:57,918 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:14:57,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:57" (1/1) ... [2022-02-21 04:14:57,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:57" (1/1) ... [2022-02-21 04:14:57,978 INFO L137 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 48, calls inlined = 50, statements flattened = 369 [2022-02-21 04:14:57,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:14:57,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:14:57,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:14:57,986 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:14:57,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:57" (1/1) ... [2022-02-21 04:14:57,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:57" (1/1) ... [2022-02-21 04:14:57,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:57" (1/1) ... [2022-02-21 04:14:57,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:57" (1/1) ... [2022-02-21 04:14:58,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:57" (1/1) ... [2022-02-21 04:14:58,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:57" (1/1) ... [2022-02-21 04:14:58,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:57" (1/1) ... [2022-02-21 04:14:58,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:14:58,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:14:58,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:14:58,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:14:58,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:57" (1/1) ... [2022-02-21 04:14:58,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:14:58,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:14:58,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:14:58,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-02-21 04:14:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:14:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:14:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:14:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:14:58,148 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:14:58,149 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:14:58,401 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:14:58,406 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:14:58,406 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:14:58,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:14:58 BoogieIcfgContainer [2022-02-21 04:14:58,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:14:58,408 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:14:58,408 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:14:58,411 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:14:58,412 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:14:58,412 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:14:57" (1/3) ... [2022-02-21 04:14:58,413 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59ac7442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:14:58, skipping insertion in model container [2022-02-21 04:14:58,413 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:14:58,413 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:14:57" (2/3) ... [2022-02-21 04:14:58,413 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59ac7442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:14:58, skipping insertion in model container [2022-02-21 04:14:58,413 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:14:58,413 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:14:58" (3/3) ... [2022-02-21 04:14:58,424 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2022-02-21 04:14:58,463 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:14:58,464 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:14:58,464 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:14:58,464 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:14:58,464 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:14:58,464 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:14:58,464 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:14:58,464 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:14:58,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:14:58,503 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-02-21 04:14:58,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:14:58,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:14:58,507 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:14:58,507 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:14:58,507 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:14:58,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:14:58,518 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-02-21 04:14:58,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:14:58,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:14:58,523 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:14:58,523 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:14:58,526 INFO L791 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 29#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret42#1, main_~retValue_acc~7#1, main_~tmp~5#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 95#L680true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 19#L673true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 76#L688true main_#t~ret42#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret42#1;havoc main_#t~ret42#1; 86#L784true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 67#L761true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 31#L66-2true [2022-02-21 04:14:58,527 INFO L793 eck$LassoCheckResult]: Loop: 31#L66-2true assume !false; 89#L67true assume test_~splverifierCounter~0#1 < 4; 96#L68true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 52#L76true assume !(0 != test_~tmp~0#1); 93#L76-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 4#L86true assume !(0 != test_~tmp___0~0#1); 103#L86-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 81#L96true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 15#L104true assume !(0 != test_~tmp___1~0#1); 102#L104-2true assume { :begin_inline_timeShift } true; 41#L140true assume !(0 != ~pumpRunning~0); 40#L140-2true assume !(0 != ~systemActive~0); 46#L147-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret43#1, __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 59#L868-1true __utac_acc__Specification1_spec__1_#t~ret43#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret43#1;havoc __utac_acc__Specification1_spec__1_#t~ret43#1; 55#L806true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 57#L806-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 9#L157true assume { :end_inline_timeShift } true; 31#L66-2true [2022-02-21 04:14:58,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:14:58,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:14:58,552 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:14:58,553 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929295069] [2022-02-21 04:14:58,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:14:58,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:14:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:58,682 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:14:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:58,755 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:14:58,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:14:58,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1173750095, now seen corresponding path program 1 times [2022-02-21 04:14:58,759 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:14:58,760 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475154434] [2022-02-21 04:14:58,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:14:58,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:14:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:58,773 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:14:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:58,782 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:14:58,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:14:58,785 INFO L85 PathProgramCache]: Analyzing trace with hash 242068491, now seen corresponding path program 1 times [2022-02-21 04:14:58,785 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:14:58,785 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103114272] [2022-02-21 04:14:58,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:14:58,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:14:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:14:58,988 INFO L290 TraceCheckUtils]: 0: Hoare triple {109#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {111#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:14:58,989 INFO L290 TraceCheckUtils]: 1: Hoare triple {111#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret42#1, main_~retValue_acc~7#1, main_~tmp~5#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; {111#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:14:58,989 INFO L290 TraceCheckUtils]: 2: Hoare triple {111#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {111#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:14:58,990 INFO L290 TraceCheckUtils]: 3: Hoare triple {111#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; {112#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:14:58,990 INFO L290 TraceCheckUtils]: 4: Hoare triple {112#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret42#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret42#1;havoc main_#t~ret42#1; {113#(= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0)} is VALID [2022-02-21 04:14:58,991 INFO L290 TraceCheckUtils]: 5: Hoare triple {113#(= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0)} assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:58,991 INFO L290 TraceCheckUtils]: 6: Hoare triple {114#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:58,992 INFO L290 TraceCheckUtils]: 7: Hoare triple {114#(not (= 0 ~systemActive~0))} assume !false; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:58,992 INFO L290 TraceCheckUtils]: 8: Hoare triple {114#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:58,993 INFO L290 TraceCheckUtils]: 9: Hoare triple {114#(not (= 0 ~systemActive~0))} test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:58,993 INFO L290 TraceCheckUtils]: 10: Hoare triple {114#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~0#1); {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:58,994 INFO L290 TraceCheckUtils]: 11: Hoare triple {114#(not (= 0 ~systemActive~0))} test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:58,994 INFO L290 TraceCheckUtils]: 12: Hoare triple {114#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0#1); {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:58,994 INFO L290 TraceCheckUtils]: 13: Hoare triple {114#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:58,995 INFO L290 TraceCheckUtils]: 14: Hoare triple {114#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:58,995 INFO L290 TraceCheckUtils]: 15: Hoare triple {114#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___1~0#1); {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:58,996 INFO L290 TraceCheckUtils]: 16: Hoare triple {114#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:58,996 INFO L290 TraceCheckUtils]: 17: Hoare triple {114#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {114#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:14:58,997 INFO L290 TraceCheckUtils]: 18: Hoare triple {114#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {110#false} is VALID [2022-02-21 04:14:58,997 INFO L290 TraceCheckUtils]: 19: Hoare triple {110#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret43#1, __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; {110#false} is VALID [2022-02-21 04:14:58,997 INFO L290 TraceCheckUtils]: 20: Hoare triple {110#false} __utac_acc__Specification1_spec__1_#t~ret43#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret43#1;havoc __utac_acc__Specification1_spec__1_#t~ret43#1; {110#false} is VALID [2022-02-21 04:14:58,997 INFO L290 TraceCheckUtils]: 21: Hoare triple {110#false} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); {110#false} is VALID [2022-02-21 04:14:58,998 INFO L290 TraceCheckUtils]: 22: Hoare triple {110#false} assume { :end_inline___utac_acc__Specification1_spec__1 } true; {110#false} is VALID [2022-02-21 04:14:58,998 INFO L290 TraceCheckUtils]: 23: Hoare triple {110#false} assume { :end_inline_timeShift } true; {110#false} is VALID [2022-02-21 04:14:58,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:14:58,999 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:14:58,999 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103114272] [2022-02-21 04:14:59,000 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103114272] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:14:59,000 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:14:59,000 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:14:59,000 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811617924] [2022-02-21 04:14:59,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:14:59,116 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:14:59,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:14:59,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:14:59,138 INFO L87 Difference]: Start difference. First operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:14:59,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:14:59,801 INFO L93 Difference]: Finished difference Result 342 states and 431 transitions. [2022-02-21 04:14:59,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:14:59,802 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:14:59,819 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:14:59,837 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 342 states and 431 transitions. [2022-02-21 04:14:59,854 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 220 [2022-02-21 04:14:59,864 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 342 states to 302 states and 391 transitions. [2022-02-21 04:14:59,864 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 302 [2022-02-21 04:14:59,865 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 302 [2022-02-21 04:14:59,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 302 states and 391 transitions. [2022-02-21 04:14:59,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:14:59,866 INFO L681 BuchiCegarLoop]: Abstraction has 302 states and 391 transitions. [2022-02-21 04:14:59,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states and 391 transitions. [2022-02-21 04:14:59,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 140. [2022-02-21 04:14:59,915 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:14:59,916 INFO L82 GeneralOperation]: Start isEquivalent. First operand 302 states and 391 transitions. Second operand has 140 states, 140 states have (on average 1.3) internal successors, (182), 139 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:14:59,917 INFO L74 IsIncluded]: Start isIncluded. First operand 302 states and 391 transitions. Second operand has 140 states, 140 states have (on average 1.3) internal successors, (182), 139 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:14:59,919 INFO L87 Difference]: Start difference. First operand 302 states and 391 transitions. Second operand has 140 states, 140 states have (on average 1.3) internal successors, (182), 139 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:14:59,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:14:59,933 INFO L93 Difference]: Finished difference Result 302 states and 391 transitions. [2022-02-21 04:14:59,933 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 391 transitions. [2022-02-21 04:14:59,935 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:14:59,935 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:14:59,935 INFO L74 IsIncluded]: Start isIncluded. First operand has 140 states, 140 states have (on average 1.3) internal successors, (182), 139 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 302 states and 391 transitions. [2022-02-21 04:14:59,935 INFO L87 Difference]: Start difference. First operand has 140 states, 140 states have (on average 1.3) internal successors, (182), 139 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 302 states and 391 transitions. [2022-02-21 04:14:59,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:14:59,948 INFO L93 Difference]: Finished difference Result 302 states and 391 transitions. [2022-02-21 04:14:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 391 transitions. [2022-02-21 04:14:59,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:14:59,949 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:14:59,949 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:14:59,949 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:14:59,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 140 states have (on average 1.3) internal successors, (182), 139 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:14:59,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 182 transitions. [2022-02-21 04:14:59,954 INFO L704 BuchiCegarLoop]: Abstraction has 140 states and 182 transitions. [2022-02-21 04:14:59,954 INFO L587 BuchiCegarLoop]: Abstraction has 140 states and 182 transitions. [2022-02-21 04:14:59,954 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:14:59,955 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 140 states and 182 transitions. [2022-02-21 04:14:59,956 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 101 [2022-02-21 04:14:59,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:14:59,956 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:14:59,956 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:14:59,956 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:14:59,957 INFO L791 eck$LassoCheckResult]: Stem: 543#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 528#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret42#1, main_~retValue_acc~7#1, main_~tmp~5#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 529#L680 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 509#L673 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 510#L688 main_#t~ret42#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret42#1;havoc main_#t~ret42#1; 522#L784 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 506#L761 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 477#L66-2 [2022-02-21 04:14:59,959 INFO L793 eck$LassoCheckResult]: Loop: 477#L66-2 assume !false; 531#L67 assume test_~splverifierCounter~0#1 < 4; 542#L68 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 547#L76 assume !(0 != test_~tmp~0#1); 523#L76-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 461#L86 assume !(0 != test_~tmp___0~0#1); 463#L86-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 532#L96 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 533#L285 assume { :end_inline_startSystem } true; 490#L104-2 assume { :begin_inline_timeShift } true; 546#L140 assume !(0 != ~pumpRunning~0); 471#L140-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 530#L172 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 517#L164-1 assume { :end_inline_processEnvironment__wrappee__base } true; 483#L172-1 assume { :end_inline_processEnvironment } true; 544#L147-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret43#1, __utac_acc__Specification1_spec__1_#t~ret44#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 485#L868-1 __utac_acc__Specification1_spec__1_#t~ret43#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret43#1;havoc __utac_acc__Specification1_spec__1_#t~ret43#1; 466#L806 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 467#L806-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 476#L157 assume { :end_inline_timeShift } true; 477#L66-2 [2022-02-21 04:14:59,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:14:59,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:14:59,960 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:14:59,960 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018108435] [2022-02-21 04:14:59,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:14:59,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:14:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:59,968 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:14:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:59,977 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:14:59,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:14:59,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1877304627, now seen corresponding path program 1 times [2022-02-21 04:14:59,978 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:14:59,978 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955770590] [2022-02-21 04:14:59,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:14:59,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:14:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:59,982 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:14:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:59,986 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:14:59,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:14:59,986 INFO L85 PathProgramCache]: Analyzing trace with hash 229306615, now seen corresponding path program 1 times [2022-02-21 04:14:59,986 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:14:59,986 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152506293] [2022-02-21 04:14:59,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:14:59,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:14:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:14:59,995 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:15:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:00,006 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:15:02,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:15:02 BoogieIcfgContainer [2022-02-21 04:15:02,245 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:15:02,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:15:02,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:15:02,246 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:15:02,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:14:58" (3/4) ... [2022-02-21 04:15:02,249 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:15:02,277 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:15:02,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:15:02,279 INFO L158 Benchmark]: Toolchain (without parser) took 4713.94ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 124.4MB in the beginning and 144.5MB in the end (delta: -20.1MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-02-21 04:15:02,279 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:15:02,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.00ms. Allocated memory is still 155.2MB. Free memory was 124.0MB in the beginning and 120.2MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 04:15:02,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.28ms. Allocated memory is still 155.2MB. Free memory was 120.2MB in the beginning and 117.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:15:02,280 INFO L158 Benchmark]: Boogie Preprocessor took 24.67ms. Allocated memory is still 155.2MB. Free memory was 117.1MB in the beginning and 115.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:15:02,280 INFO L158 Benchmark]: RCFGBuilder took 397.11ms. Allocated memory is still 155.2MB. Free memory was 115.0MB in the beginning and 95.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-02-21 04:15:02,281 INFO L158 Benchmark]: BuchiAutomizer took 3837.31ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 95.7MB in the beginning and 146.6MB in the end (delta: -51.0MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. [2022-02-21 04:15:02,281 INFO L158 Benchmark]: Witness Printer took 31.85ms. Allocated memory is still 201.3MB. Free memory was 146.6MB in the beginning and 144.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:15:02,283 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.00ms. Allocated memory is still 155.2MB. Free memory was 124.0MB in the beginning and 120.2MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.28ms. Allocated memory is still 155.2MB. Free memory was 120.2MB in the beginning and 117.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.67ms. Allocated memory is still 155.2MB. Free memory was 117.1MB in the beginning and 115.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 397.11ms. Allocated memory is still 155.2MB. Free memory was 115.0MB in the beginning and 95.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 3837.31ms. Allocated memory was 155.2MB in the beginning and 201.3MB in the end (delta: 46.1MB). Free memory was 95.7MB in the beginning and 146.6MB in the end (delta: -51.0MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. * Witness Printer took 31.85ms. Allocated memory is still 201.3MB. Free memory was 146.6MB in the beginning and 144.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 140 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 162 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 140 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 551 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 551 mSDsluCounter, 960 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 841 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 119 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 66]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, retValue_acc=0, NULL=0, head=0, pumpRunning=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47c50ffd=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c3a429f=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ec183e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e15835e=29, methaneLevelCritical=0, retValue_acc=1, \result=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b292f12=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56dab27b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1769dc42=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5505c3a7=0, tmp___2=29, tmp=0, cleanupTimeShifts=4, tmp=1, \result=0, tmp=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 66]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L132] int pumpRunning = 0; [L133] int systemActive = 1; [L458] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L702] int cleanupTimeShifts = 4; [L825] int waterLevel = 1; [L826] int methaneLevelCritical = 0; [L775] int retValue_acc ; [L776] int tmp ; [L780] FCALL select_helpers() [L781] FCALL select_features() [L782] CALL, EXPR valid_product() [L684] int retValue_acc ; [L687] retValue_acc = 1 [L688] return (retValue_acc); [L782] RET, EXPR valid_product() [L782] tmp = valid_product() [L784] COND TRUE \read(tmp) [L786] FCALL setup() [L787] CALL runTest() [L769] CALL test() [L57] int splverifierCounter ; [L58] int tmp ; [L59] int tmp___0 ; [L60] int tmp___1 ; [L61] int tmp___2 ; [L64] splverifierCounter = 0 Loop: [L66] COND TRUE 1 [L68] COND TRUE splverifierCounter < 4 [L74] tmp = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp)) [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND TRUE \read(tmp___2) [L98] CALL startSystem() [L284] systemActive = 1 [L98] RET startSystem() [L113] CALL timeShift() [L140] COND FALSE !(\read(pumpRunning)) [L147] COND TRUE \read(systemActive) [L149] CALL processEnvironment() [L169] int tmp ; [L172] COND FALSE !(\read(pumpRunning)) [L187] FCALL processEnvironment__wrappee__base() [L149] RET processEnvironment() [L155] CALL __utac_acc__Specification1_spec__1() [L799] int tmp ; [L800] int tmp___0 ; [L804] CALL, EXPR isMethaneLevelCritical() [L864] int retValue_acc ; [L867] retValue_acc = methaneLevelCritical [L868] return (retValue_acc); [L804] RET, EXPR isMethaneLevelCritical() [L804] tmp = isMethaneLevelCritical() [L806] COND FALSE !(\read(tmp)) [L155] RET __utac_acc__Specification1_spec__1() [L113] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:15:02,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)