./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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-tmp.no-commuhash-c3fed41 [2021-12-19 19:08:57,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 19:08:57,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 19:08:57,150 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 19:08:57,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 19:08:57,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 19:08:57,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 19:08:57,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 19:08:57,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 19:08:57,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 19:08:57,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 19:08:57,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 19:08:57,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 19:08:57,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 19:08:57,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 19:08:57,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 19:08:57,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 19:08:57,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 19:08:57,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 19:08:57,163 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 19:08:57,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 19:08:57,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 19:08:57,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 19:08:57,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 19:08:57,168 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 19:08:57,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 19:08:57,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 19:08:57,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 19:08:57,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 19:08:57,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 19:08:57,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 19:08:57,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 19:08:57,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 19:08:57,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 19:08:57,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 19:08:57,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 19:08:57,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 19:08:57,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 19:08:57,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 19:08:57,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 19:08:57,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 19:08:57,176 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-19 19:08:57,190 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 19:08:57,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 19:08:57,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 19:08:57,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 19:08:57,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 19:08:57,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 19:08:57,192 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 19:08:57,192 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-19 19:08:57,193 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-19 19:08:57,193 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-19 19:08:57,193 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-19 19:08:57,193 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-19 19:08:57,193 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-19 19:08:57,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 19:08:57,194 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 19:08:57,194 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 19:08:57,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 19:08:57,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 19:08:57,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 19:08:57,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-19 19:08:57,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-19 19:08:57,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-19 19:08:57,195 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 19:08:57,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 19:08:57,195 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-19 19:08:57,196 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 19:08:57,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-19 19:08:57,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 19:08:57,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 19:08:57,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 19:08:57,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 19:08:57,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 19:08:57,197 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-19 19:08:57,197 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> adc521790d868e8902785ea29b51f549e45d9404af4185d7531e4ae8ae0e6ca8 [2021-12-19 19:08:57,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 19:08:57,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 19:08:57,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 19:08:57,428 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 19:08:57,428 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 19:08:57,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2021-12-19 19:08:57,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51b1f9947/89bca98dc1f94d189da1b3e49663e049/FLAG3f516b422 [2021-12-19 19:08:57,843 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 19:08:57,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2021-12-19 19:08:57,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51b1f9947/89bca98dc1f94d189da1b3e49663e049/FLAG3f516b422 [2021-12-19 19:08:58,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51b1f9947/89bca98dc1f94d189da1b3e49663e049 [2021-12-19 19:08:58,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 19:08:58,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 19:08:58,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 19:08:58,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 19:08:58,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 19:08:58,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:08:58" (1/1) ... [2021-12-19 19:08:58,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6baeafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:58, skipping insertion in model container [2021-12-19 19:08:58,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 07:08:58" (1/1) ... [2021-12-19 19:08:58,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 19:08:58,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 19:08:58,519 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] [2021-12-19 19:08:58,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:08:58,532 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 19:08:58,579 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] [2021-12-19 19:08:58,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 19:08:58,607 INFO L208 MainTranslator]: Completed translation [2021-12-19 19:08:58,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:58 WrapperNode [2021-12-19 19:08:58,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 19:08:58,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 19:08:58,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 19:08:58,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 19:08:58,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:58" (1/1) ... [2021-12-19 19:08:58,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:58" (1/1) ... [2021-12-19 19:08:58,675 INFO L137 Inliner]: procedures = 52, calls = 151, calls flagged for inlining = 48, calls inlined = 50, statements flattened = 369 [2021-12-19 19:08:58,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 19:08:58,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 19:08:58,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 19:08:58,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 19:08:58,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:58" (1/1) ... [2021-12-19 19:08:58,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:58" (1/1) ... [2021-12-19 19:08:58,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:58" (1/1) ... [2021-12-19 19:08:58,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:58" (1/1) ... [2021-12-19 19:08:58,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:58" (1/1) ... [2021-12-19 19:08:58,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:58" (1/1) ... [2021-12-19 19:08:58,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:58" (1/1) ... [2021-12-19 19:08:58,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 19:08:58,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 19:08:58,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 19:08:58,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 19:08:58,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:58" (1/1) ... [2021-12-19 19:08:58,730 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-19 19:08:58,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 19:08:58,759 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) [2021-12-19 19:08:58,779 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 [2021-12-19 19:08:58,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 19:08:58,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 19:08:58,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 19:08:58,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 19:08:58,844 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 19:08:58,845 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 19:08:59,067 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 19:08:59,072 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 19:08:59,072 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-19 19:08:59,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:08:59 BoogieIcfgContainer [2021-12-19 19:08:59,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 19:08:59,083 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-19 19:08:59,083 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-19 19:08:59,085 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-19 19:08:59,086 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:08:59,086 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.12 07:08:58" (1/3) ... [2021-12-19 19:08:59,087 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a2b2fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:08:59, skipping insertion in model container [2021-12-19 19:08:59,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:08:59,087 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 07:08:58" (2/3) ... [2021-12-19 19:08:59,087 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a2b2fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.12 07:08:59, skipping insertion in model container [2021-12-19 19:08:59,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-19 19:08:59,087 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:08:59" (3/3) ... [2021-12-19 19:08:59,088 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2021-12-19 19:08:59,114 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-19 19:08:59,115 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-19 19:08:59,115 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-19 19:08:59,115 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-19 19:08:59,115 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-19 19:08:59,115 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-19 19:08:59,115 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-19 19:08:59,115 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-19 19:08:59,126 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) [2021-12-19 19:08:59,141 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-12-19 19:08:59,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:08:59,142 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:08:59,145 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:08:59,145 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:08:59,146 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-19 19:08:59,146 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) [2021-12-19 19:08:59,151 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-12-19 19:08:59,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:08:59,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:08:59,152 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:08:59,152 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:08:59,157 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 [2021-12-19 19:08:59,158 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 [2021-12-19 19:08:59,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:08:59,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-19 19:08:59,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:08:59,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619607427] [2021-12-19 19:08:59,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:08:59,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:08:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:59,235 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:08:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:59,267 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:08:59,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:08:59,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1173750095, now seen corresponding path program 1 times [2021-12-19 19:08:59,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:08:59,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108566979] [2021-12-19 19:08:59,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:08:59,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:08:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:59,276 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:08:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:59,282 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:08:59,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:08:59,283 INFO L85 PathProgramCache]: Analyzing trace with hash 242068491, now seen corresponding path program 1 times [2021-12-19 19:08:59,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:08:59,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551455104] [2021-12-19 19:08:59,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:08:59,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:08:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 19:08:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 19:08:59,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 19:08:59,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551455104] [2021-12-19 19:08:59,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551455104] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 19:08:59,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 19:08:59,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-19 19:08:59,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186718492] [2021-12-19 19:08:59,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 19:08:59,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 19:08:59,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-19 19:08:59,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-19 19:08:59,473 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) [2021-12-19 19:08:59,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 19:08:59,631 INFO L93 Difference]: Finished difference Result 342 states and 431 transitions. [2021-12-19 19:08:59,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-19 19:08:59,636 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 342 states and 431 transitions. [2021-12-19 19:08:59,650 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 220 [2021-12-19 19:08:59,664 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 342 states to 302 states and 391 transitions. [2021-12-19 19:08:59,664 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 302 [2021-12-19 19:08:59,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 302 [2021-12-19 19:08:59,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 302 states and 391 transitions. [2021-12-19 19:08:59,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-19 19:08:59,672 INFO L681 BuchiCegarLoop]: Abstraction has 302 states and 391 transitions. [2021-12-19 19:08:59,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states and 391 transitions. [2021-12-19 19:08:59,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 140. [2021-12-19 19:08:59,696 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) [2021-12-19 19:08:59,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 182 transitions. [2021-12-19 19:08:59,697 INFO L704 BuchiCegarLoop]: Abstraction has 140 states and 182 transitions. [2021-12-19 19:08:59,697 INFO L587 BuchiCegarLoop]: Abstraction has 140 states and 182 transitions. [2021-12-19 19:08:59,697 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-19 19:08:59,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 140 states and 182 transitions. [2021-12-19 19:08:59,702 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 101 [2021-12-19 19:08:59,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-19 19:08:59,702 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-19 19:08:59,702 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-19 19:08:59,703 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] [2021-12-19 19:08:59,703 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 [2021-12-19 19:08:59,703 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 [2021-12-19 19:08:59,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:08:59,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-19 19:08:59,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:08:59,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28807433] [2021-12-19 19:08:59,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:08:59,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:08:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:59,724 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:08:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:59,742 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:08:59,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:08:59,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1877304627, now seen corresponding path program 1 times [2021-12-19 19:08:59,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:08:59,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268797776] [2021-12-19 19:08:59,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:08:59,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:08:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:59,755 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:08:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:59,764 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:08:59,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 19:08:59,765 INFO L85 PathProgramCache]: Analyzing trace with hash 229306615, now seen corresponding path program 1 times [2021-12-19 19:08:59,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 19:08:59,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129586335] [2021-12-19 19:08:59,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 19:08:59,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 19:08:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:59,781 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-19 19:08:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-19 19:08:59,804 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-19 19:09:01,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.12 07:09:01 BoogieIcfgContainer [2021-12-19 19:09:01,936 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-19 19:09:01,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 19:09:01,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 19:09:01,937 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 19:09:01,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 07:08:59" (3/4) ... [2021-12-19 19:09:01,939 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-19 19:09:01,969 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-19 19:09:01,969 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 19:09:01,969 INFO L158 Benchmark]: Toolchain (without parser) took 3717.99ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 66.7MB in the beginning and 74.6MB in the end (delta: -7.9MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2021-12-19 19:09:01,970 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 54.9MB in the beginning and 54.9MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 19:09:01,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.77ms. Allocated memory is still 98.6MB. Free memory was 66.7MB in the beginning and 65.9MB in the end (delta: 872.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-19 19:09:01,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.30ms. Allocated memory is still 98.6MB. Free memory was 65.9MB in the beginning and 63.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:09:01,971 INFO L158 Benchmark]: Boogie Preprocessor took 47.22ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 61.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:09:01,971 INFO L158 Benchmark]: RCFGBuilder took 358.07ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 61.4MB in the beginning and 94.4MB in the end (delta: -33.1MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2021-12-19 19:09:01,972 INFO L158 Benchmark]: BuchiAutomizer took 2853.54ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 94.4MB in the beginning and 77.8MB in the end (delta: 16.6MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. [2021-12-19 19:09:01,972 INFO L158 Benchmark]: Witness Printer took 31.99ms. Allocated memory is still 144.7MB. Free memory was 77.8MB in the beginning and 74.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 19:09:01,974 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 54.9MB in the beginning and 54.9MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.77ms. Allocated memory is still 98.6MB. Free memory was 66.7MB in the beginning and 65.9MB in the end (delta: 872.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.30ms. Allocated memory is still 98.6MB. Free memory was 65.9MB in the beginning and 63.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.22ms. Allocated memory is still 98.6MB. Free memory was 63.1MB in the beginning and 61.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.07ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 61.4MB in the beginning and 94.4MB in the end (delta: -33.1MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2853.54ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 94.4MB in the beginning and 77.8MB in the end (delta: 16.6MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. * Witness Printer took 31.99ms. Allocated memory is still 144.7MB. Free memory was 77.8MB in the beginning and 74.6MB in the end (delta: 3.1MB). 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 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s 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@2f8f66bf=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39751bd9=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11e39aeb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a7e1b14=29, methaneLevelCritical=0, retValue_acc=1, \result=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1eb1b50d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70b0783e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a93dd9e=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e017a31=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! [2021-12-19 19:09:02,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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)