./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b 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_product27.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 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 23:37:06,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 23:37:06,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 23:37:06,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 23:37:06,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 23:37:06,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 23:37:06,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 23:37:06,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 23:37:06,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 23:37:06,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 23:37:06,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 23:37:06,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 23:37:06,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 23:37:06,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 23:37:06,552 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 23:37:06,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 23:37:06,553 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 23:37:06,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 23:37:06,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 23:37:06,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 23:37:06,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 23:37:06,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 23:37:06,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 23:37:06,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 23:37:06,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 23:37:06,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 23:37:06,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 23:37:06,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 23:37:06,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 23:37:06,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 23:37:06,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 23:37:06,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 23:37:06,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 23:37:06,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 23:37:06,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 23:37:06,575 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 23:37:06,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 23:37:06,576 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 23:37:06,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 23:37:06,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 23:37:06,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 23:37:06,578 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-14 23:37:06,606 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 23:37:06,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 23:37:06,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 23:37:06,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 23:37:06,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 23:37:06,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 23:37:06,609 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 23:37:06,609 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-14 23:37:06,609 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-14 23:37:06,609 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-14 23:37:06,610 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-14 23:37:06,610 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-14 23:37:06,610 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-14 23:37:06,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 23:37:06,611 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-14 23:37:06,611 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 23:37:06,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 23:37:06,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-14 23:37:06,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 23:37:06,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-14 23:37:06,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-14 23:37:06,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-14 23:37:06,612 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-14 23:37:06,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 23:37:06,612 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-14 23:37:06,613 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 23:37:06,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-14 23:37:06,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 23:37:06,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 23:37:06,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 23:37:06,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 23:37:06,614 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 23:37:06,615 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-14 23:37:06,615 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57a688f8a9792d29adbf3f8f01563f73a4548e3755afcb9efbc0eedec2ffc9fc [2021-12-14 23:37:06,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 23:37:06,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 23:37:06,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 23:37:06,839 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 23:37:06,839 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 23:37:06,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2021-12-14 23:37:06,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23a47d534/68a34bab12f141e79e98c29dbfbf26e6/FLAG08bb76f2e [2021-12-14 23:37:07,314 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 23:37:07,314 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2021-12-14 23:37:07,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23a47d534/68a34bab12f141e79e98c29dbfbf26e6/FLAG08bb76f2e [2021-12-14 23:37:07,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23a47d534/68a34bab12f141e79e98c29dbfbf26e6 [2021-12-14 23:37:07,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 23:37:07,717 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 23:37:07,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 23:37:07,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 23:37:07,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 23:37:07,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:37:07" (1/1) ... [2021-12-14 23:37:07,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6535e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:07, skipping insertion in model container [2021-12-14 23:37:07,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:37:07" (1/1) ... [2021-12-14 23:37:07,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 23:37:07,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 23:37:07,905 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_product27.cil.c[2141,2154] [2021-12-14 23:37:08,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:37:08,014 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 23:37:08,027 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_product27.cil.c[2141,2154] [2021-12-14 23:37:08,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 23:37:08,067 INFO L208 MainTranslator]: Completed translation [2021-12-14 23:37:08,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:08 WrapperNode [2021-12-14 23:37:08,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 23:37:08,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 23:37:08,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 23:37:08,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 23:37:08,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:08" (1/1) ... [2021-12-14 23:37:08,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:08" (1/1) ... [2021-12-14 23:37:08,104 INFO L137 Inliner]: procedures = 54, calls = 153, calls flagged for inlining = 50, calls inlined = 49, statements flattened = 384 [2021-12-14 23:37:08,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 23:37:08,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 23:37:08,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 23:37:08,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 23:37:08,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:08" (1/1) ... [2021-12-14 23:37:08,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:08" (1/1) ... [2021-12-14 23:37:08,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:08" (1/1) ... [2021-12-14 23:37:08,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:08" (1/1) ... [2021-12-14 23:37:08,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:08" (1/1) ... [2021-12-14 23:37:08,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:08" (1/1) ... [2021-12-14 23:37:08,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:08" (1/1) ... [2021-12-14 23:37:08,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 23:37:08,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 23:37:08,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 23:37:08,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 23:37:08,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:08" (1/1) ... [2021-12-14 23:37:08,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-14 23:37:08,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 23:37:08,153 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) [2021-12-14 23:37:08,181 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 [2021-12-14 23:37:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 23:37:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 23:37:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 23:37:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 23:37:08,258 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 23:37:08,259 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 23:37:08,534 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 23:37:08,538 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 23:37:08,539 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-14 23:37:08,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:08 BoogieIcfgContainer [2021-12-14 23:37:08,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 23:37:08,543 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-14 23:37:08,543 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-14 23:37:08,546 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-14 23:37:08,546 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:37:08,546 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.12 11:37:07" (1/3) ... [2021-12-14 23:37:08,547 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c28a1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:37:08, skipping insertion in model container [2021-12-14 23:37:08,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:37:08,548 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:08" (2/3) ... [2021-12-14 23:37:08,548 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4c28a1f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.12 11:37:08, skipping insertion in model container [2021-12-14 23:37:08,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-14 23:37:08,549 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:08" (3/3) ... [2021-12-14 23:37:08,550 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2021-12-14 23:37:08,589 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-14 23:37:08,589 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-14 23:37:08,589 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-14 23:37:08,589 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-14 23:37:08,589 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-14 23:37:08,590 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-14 23:37:08,590 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-14 23:37:08,590 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-14 23:37:08,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 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) [2021-12-14 23:37:08,628 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2021-12-14 23:37:08,628 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:37:08,628 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:37:08,633 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:08,633 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:08,633 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-14 23:37:08,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 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) [2021-12-14 23:37:08,647 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2021-12-14 23:37:08,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:37:08,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:37:08,649 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:08,649 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:08,656 INFO L791 eck$LassoCheckResult]: Stem: 101#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);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(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 33#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~5#1, main_~tmp~1#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 49#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 105#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 19#L83true main_#t~ret12#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 51#L305true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 9#L281true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 15#L696-2true [2021-12-14 23:37:08,657 INFO L793 eck$LassoCheckResult]: Loop: 15#L696-2true assume !false; 25#L697true assume test_~splverifierCounter~0#1 < 4; 73#L698true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 93#L706true assume !(0 != test_~tmp~5#1); 75#L706-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 40#L716true assume !(0 != test_~tmp___0~1#1); 83#L716-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 72#L726true assume 0 != test_~tmp___2~0#1; 92#L732-2true assume { :begin_inline_timeShift } true; 70#L762true assume !(0 != ~pumpRunning~0); 10#L762-2true assume !(0 != ~systemActive~0); 45#L769-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 99#L147true __utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 68#L202true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 81#L202-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 5#L779true assume { :end_inline_timeShift } true; 15#L696-2true [2021-12-14 23:37:08,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:08,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-14 23:37:08,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:08,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406460871] [2021-12-14 23:37:08,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:08,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:08,776 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:08,829 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:08,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:08,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1634785052, now seen corresponding path program 1 times [2021-12-14 23:37:08,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:08,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809993765] [2021-12-14 23:37:08,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:08,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:08,841 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:08,846 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:08,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:08,848 INFO L85 PathProgramCache]: Analyzing trace with hash -279365976, now seen corresponding path program 1 times [2021-12-14 23:37:08,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:08,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660283588] [2021-12-14 23:37:08,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:08,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 23:37:08,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 23:37:08,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 23:37:08,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660283588] [2021-12-14 23:37:08,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660283588] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 23:37:08,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 23:37:08,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 23:37:08,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119733267] [2021-12-14 23:37:08,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 23:37:09,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 23:37:09,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 23:37:09,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 23:37:09,095 INFO L87 Difference]: Start difference. First operand has 106 states, 105 states have (on average 1.361904761904762) internal successors, (143), 105 states have internal predecessors, (143), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2021-12-14 23:37:09,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 23:37:09,193 INFO L93 Difference]: Finished difference Result 263 states and 335 transitions. [2021-12-14 23:37:09,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-14 23:37:09,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 263 states and 335 transitions. [2021-12-14 23:37:09,205 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 167 [2021-12-14 23:37:09,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 263 states to 233 states and 305 transitions. [2021-12-14 23:37:09,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 233 [2021-12-14 23:37:09,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 233 [2021-12-14 23:37:09,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 233 states and 305 transitions. [2021-12-14 23:37:09,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-14 23:37:09,220 INFO L681 BuchiCegarLoop]: Abstraction has 233 states and 305 transitions. [2021-12-14 23:37:09,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states and 305 transitions. [2021-12-14 23:37:09,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 145. [2021-12-14 23:37:09,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 145 states have (on average 1.3103448275862069) internal successors, (190), 144 states have internal predecessors, (190), 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) [2021-12-14 23:37:09,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 190 transitions. [2021-12-14 23:37:09,258 INFO L704 BuchiCegarLoop]: Abstraction has 145 states and 190 transitions. [2021-12-14 23:37:09,258 INFO L587 BuchiCegarLoop]: Abstraction has 145 states and 190 transitions. [2021-12-14 23:37:09,258 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-14 23:37:09,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states and 190 transitions. [2021-12-14 23:37:09,262 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2021-12-14 23:37:09,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-14 23:37:09,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-14 23:37:09,262 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-14 23:37:09,262 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] [2021-12-14 23:37:09,263 INFO L791 eck$LassoCheckResult]: Stem: 473#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);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(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 461#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~5#1, main_~tmp~1#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 462#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 475#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 433#L83 main_#t~ret12#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 434#L305 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 406#L281 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 394#L696-2 [2021-12-14 23:37:09,263 INFO L793 eck$LassoCheckResult]: Loop: 394#L696-2 assume !false; 424#L697 assume test_~splverifierCounter~0#1 < 4; 437#L698 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 438#L706 assume !(0 != test_~tmp~5#1); 443#L706-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 444#L716 assume !(0 != test_~tmp___0~1#1); 452#L716-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 427#L726 assume 0 != test_~tmp___2~0#1; 429#L732-2 assume { :begin_inline_timeShift } true; 426#L762 assume !(0 != ~pumpRunning~0); 407#L762-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 408#L794 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 448#L786-1 assume { :end_inline_processEnvironment__wrappee__base } true; 392#L794-1 assume { :end_inline_processEnvironment } true; 472#L769-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 471#L147 __utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 419#L202 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 420#L202-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 393#L779 assume { :end_inline_timeShift } true; 394#L696-2 [2021-12-14 23:37:09,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:09,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-14 23:37:09,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:09,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657766091] [2021-12-14 23:37:09,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:09,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:09,285 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:09,296 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:09,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:09,297 INFO L85 PathProgramCache]: Analyzing trace with hash -313172338, now seen corresponding path program 1 times [2021-12-14 23:37:09,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:09,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444174537] [2021-12-14 23:37:09,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:09,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:09,305 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:09,308 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:09,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 23:37:09,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1988971082, now seen corresponding path program 1 times [2021-12-14 23:37:09,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 23:37:09,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122243466] [2021-12-14 23:37:09,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 23:37:09,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 23:37:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:09,320 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 23:37:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 23:37:09,337 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 23:37:11,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.12 11:37:11 BoogieIcfgContainer [2021-12-14 23:37:11,514 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-14 23:37:11,514 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 23:37:11,514 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 23:37:11,514 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 23:37:11,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:08" (3/4) ... [2021-12-14 23:37:11,517 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-14 23:37:11,552 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-14 23:37:11,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 23:37:11,552 INFO L158 Benchmark]: Toolchain (without parser) took 3834.98ms. Allocated memory was 94.4MB in the beginning and 138.4MB in the end (delta: 44.0MB). Free memory was 59.0MB in the beginning and 48.0MB in the end (delta: 11.0MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2021-12-14 23:37:11,553 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 94.4MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 23:37:11,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.40ms. Allocated memory is still 94.4MB. Free memory was 58.7MB in the beginning and 63.5MB in the end (delta: -4.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-14 23:37:11,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.85ms. Allocated memory is still 94.4MB. Free memory was 63.5MB in the beginning and 60.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:37:11,555 INFO L158 Benchmark]: Boogie Preprocessor took 23.85ms. Allocated memory is still 94.4MB. Free memory was 60.7MB in the beginning and 59.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:37:11,555 INFO L158 Benchmark]: RCFGBuilder took 412.40ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 41.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-14 23:37:11,555 INFO L158 Benchmark]: BuchiAutomizer took 2971.09ms. Allocated memory was 94.4MB in the beginning and 138.4MB in the end (delta: 44.0MB). Free memory was 41.4MB in the beginning and 51.2MB in the end (delta: -9.7MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2021-12-14 23:37:11,556 INFO L158 Benchmark]: Witness Printer took 37.63ms. Allocated memory is still 138.4MB. Free memory was 51.2MB in the beginning and 48.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 23:37:11,557 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 94.4MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.40ms. Allocated memory is still 94.4MB. Free memory was 58.7MB in the beginning and 63.5MB in the end (delta: -4.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.85ms. Allocated memory is still 94.4MB. Free memory was 63.5MB in the beginning and 60.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.85ms. Allocated memory is still 94.4MB. Free memory was 60.7MB in the beginning and 59.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.40ms. Allocated memory is still 94.4MB. Free memory was 59.0MB in the beginning and 41.8MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2971.09ms. Allocated memory was 94.4MB in the beginning and 138.4MB in the end (delta: 44.0MB). Free memory was 41.4MB in the beginning and 51.2MB in the end (delta: -9.7MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Witness Printer took 37.63ms. Allocated memory is still 138.4MB. Free memory was 51.2MB in the beginning and 48.0MB 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 145 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 88 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 145 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 478 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 478 mSDsluCounter, 798 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 671 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 127 mSDtfsCounter, 42 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: 696]: 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, NULL=0, head=0, tmp___0=0, pumpRunning=0, tmp___0=0, NULL=1, methaneLevelCritical=0, tmp=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a128bac=29, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5bd8b015=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a7ce09=0, \result=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72b8e146=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d8eb59d=0, tmp___2=29, cleanupTimeShifts=4, \result=0, tmp=1, head=0, tmp___1=0, NULL=0, tmp=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@426cba96=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d74c73=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22b2cc2a=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 696]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L104] int waterLevel = 1; [L105] int methaneLevelCritical = 0; [L220] int cleanupTimeShifts = 4; [L488] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L755] int pumpRunning = 0; [L756] int systemActive = 1; [L296] int retValue_acc ; [L297] int tmp ; [L301] FCALL select_helpers() [L302] FCALL select_features() [L303] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L303] RET, EXPR valid_product() [L303] tmp = valid_product() [L305] COND TRUE \read(tmp) [L307] FCALL setup() [L308] CALL runTest() [L290] CALL test() [L687] int splverifierCounter ; [L688] int tmp ; [L689] int tmp___0 ; [L690] int tmp___1 ; [L691] int tmp___2 ; [L694] splverifierCounter = 0 Loop: [L696] COND TRUE 1 [L698] COND TRUE splverifierCounter < 4 [L704] tmp = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp)) [L714] tmp___0 = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp___0)) [L724] tmp___2 = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp___2) [L741] CALL timeShift() [L762] COND FALSE !(\read(pumpRunning)) [L769] COND TRUE \read(systemActive) [L771] CALL processEnvironment() [L791] int tmp ; [L794] COND FALSE !(\read(pumpRunning)) [L809] FCALL processEnvironment__wrappee__base() [L771] RET processEnvironment() [L777] CALL __utac_acc__Specification1_spec__1() [L195] int tmp ; [L196] int tmp___0 ; [L200] CALL, EXPR isMethaneLevelCritical() [L143] int retValue_acc ; [L146] retValue_acc = methaneLevelCritical [L147] return (retValue_acc); [L200] RET, EXPR isMethaneLevelCritical() [L200] tmp = isMethaneLevelCritical() [L202] COND FALSE !(\read(tmp)) [L777] RET __utac_acc__Specification1_spec__1() [L741] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-14 23:37:11,587 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)