./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 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_product45.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 9a8ef44eebf77bb9089ba7256f54c924b643d97224560b14ff4a2b7df3dcc9e0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 15:25:12,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 15:25:12,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 15:25:12,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 15:25:12,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 15:25:12,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 15:25:12,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 15:25:12,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 15:25:12,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 15:25:12,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 15:25:12,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 15:25:12,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 15:25:12,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 15:25:12,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 15:25:12,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 15:25:12,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 15:25:12,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 15:25:12,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 15:25:12,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 15:25:12,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 15:25:12,632 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 15:25:12,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 15:25:12,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 15:25:12,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 15:25:12,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 15:25:12,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 15:25:12,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 15:25:12,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 15:25:12,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 15:25:12,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 15:25:12,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 15:25:12,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 15:25:12,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 15:25:12,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 15:25:12,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 15:25:12,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 15:25:12,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 15:25:12,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 15:25:12,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 15:25:12,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 15:25:12,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 15:25:12,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 15:25:12,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 15:25:12,674 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 15:25:12,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 15:25:12,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 15:25:12,676 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 15:25:12,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 15:25:12,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 15:25:12,678 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 15:25:12,678 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 15:25:12,678 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 15:25:12,679 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 15:25:12,679 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 15:25:12,679 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 15:25:12,679 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 15:25:12,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 15:25:12,680 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 15:25:12,680 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 15:25:12,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 15:25:12,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 15:25:12,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 15:25:12,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 15:25:12,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 15:25:12,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 15:25:12,681 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 15:25:12,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 15:25:12,682 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 15:25:12,682 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 15:25:12,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 15:25:12,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 15:25:12,683 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 15:25:12,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 15:25:12,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 15:25:12,684 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 15:25:12,684 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a8ef44eebf77bb9089ba7256f54c924b643d97224560b14ff4a2b7df3dcc9e0 [2022-07-23 15:25:12,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 15:25:12,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 15:25:12,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 15:25:12,910 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 15:25:12,911 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 15:25:12,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2022-07-23 15:25:12,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c7d411c/b12c0486b6ef4f6394875fef6fc75064/FLAGc90461e09 [2022-07-23 15:25:13,316 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 15:25:13,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product45.cil.c [2022-07-23 15:25:13,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c7d411c/b12c0486b6ef4f6394875fef6fc75064/FLAGc90461e09 [2022-07-23 15:25:13,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c7d411c/b12c0486b6ef4f6394875fef6fc75064 [2022-07-23 15:25:13,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 15:25:13,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 15:25:13,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 15:25:13,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 15:25:13,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 15:25:13,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:25:13" (1/1) ... [2022-07-23 15:25:13,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c5e6034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:13, skipping insertion in model container [2022-07-23 15:25:13,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:25:13" (1/1) ... [2022-07-23 15:25:13,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 15:25:13,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 15:25:13,937 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_product45.cil.c[3064,3077] [2022-07-23 15:25:14,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:25:14,013 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 15:25:14,028 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_product45.cil.c[3064,3077] [2022-07-23 15:25:14,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:25:14,077 INFO L208 MainTranslator]: Completed translation [2022-07-23 15:25:14,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:14 WrapperNode [2022-07-23 15:25:14,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 15:25:14,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 15:25:14,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 15:25:14,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 15:25:14,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:14" (1/1) ... [2022-07-23 15:25:14,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:14" (1/1) ... [2022-07-23 15:25:14,154 INFO L137 Inliner]: procedures = 54, calls = 155, calls flagged for inlining = 52, calls inlined = 95, statements flattened = 707 [2022-07-23 15:25:14,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 15:25:14,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 15:25:14,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 15:25:14,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 15:25:14,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:14" (1/1) ... [2022-07-23 15:25:14,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:14" (1/1) ... [2022-07-23 15:25:14,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:14" (1/1) ... [2022-07-23 15:25:14,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:14" (1/1) ... [2022-07-23 15:25:14,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:14" (1/1) ... [2022-07-23 15:25:14,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:14" (1/1) ... [2022-07-23 15:25:14,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:14" (1/1) ... [2022-07-23 15:25:14,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 15:25:14,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 15:25:14,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 15:25:14,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 15:25:14,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:14" (1/1) ... [2022-07-23 15:25:14,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:25:14,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:25:14,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-23 15:25:14,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-23 15:25:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 15:25:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 15:25:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 15:25:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 15:25:14,338 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 15:25:14,339 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 15:25:14,665 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 15:25:14,673 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 15:25:14,673 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 15:25:14,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:25:14 BoogieIcfgContainer [2022-07-23 15:25:14,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 15:25:14,676 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 15:25:14,676 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 15:25:14,679 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 15:25:14,679 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:25:14,679 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 03:25:13" (1/3) ... [2022-07-23 15:25:14,684 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1962f828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:25:14, skipping insertion in model container [2022-07-23 15:25:14,684 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:25:14,684 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:25:14" (2/3) ... [2022-07-23 15:25:14,684 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1962f828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:25:14, skipping insertion in model container [2022-07-23 15:25:14,684 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:25:14,684 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:25:14" (3/3) ... [2022-07-23 15:25:14,685 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2022-07-23 15:25:14,733 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 15:25:14,733 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 15:25:14,733 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 15:25:14,734 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 15:25:14,734 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 15:25:14,734 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 15:25:14,734 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 15:25:14,734 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 15:25:14,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 180 states, 179 states have (on average 1.3575418994413408) internal successors, (243), 179 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:25:14,761 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2022-07-23 15:25:14,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:25:14,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:25:14,766 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:14,767 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:14,767 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 15:25:14,768 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 180 states, 179 states have (on average 1.3575418994413408) internal successors, (243), 179 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:25:14,775 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 116 [2022-07-23 15:25:14,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:25:14,775 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:25:14,776 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:14,776 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:14,780 INFO L752 eck$LassoCheckResult]: Stem: 168#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; 51#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1, main_~retValue_acc~3#1, main_~tmp~1#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 64#L311true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 133#L304true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 181#L319true main_#t~ret11#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret11#1;havoc main_#t~ret11#1; 157#L275true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 179#L248true 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; 124#L700-2true [2022-07-23 15:25:14,781 INFO L754 eck$LassoCheckResult]: Loop: 124#L700-2true assume !false; 170#L701true assume test_~splverifierCounter~0#1 < 4; 32#L702true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 95#L710true assume !(0 != test_~tmp~5#1); 151#L710-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 39#L720true assume !(0 != test_~tmp___0~1#1); 161#L720-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 74#L730true assume 0 != test_~tmp___2~0#1; 63#L736-2true assume { :begin_inline_timeShift } true; 176#L764true assume !(0 != ~pumpRunning~0); 122#L764-2true assume !(0 != ~systemActive~0); 172#L771-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#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~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 148#L100-3true __utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1; 83#L169true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 70#L169-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 130#L781true assume { :end_inline_timeShift } true; 124#L700-2true [2022-07-23 15:25:14,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:14,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-23 15:25:14,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:14,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899406089] [2022-07-23 15:25:14,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:14,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:14,925 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:15,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:15,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:15,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1685707588, now seen corresponding path program 1 times [2022-07-23 15:25:15,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:15,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126841374] [2022-07-23 15:25:15,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:15,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:15,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:15,023 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:15,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:15,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:15,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1253840632, now seen corresponding path program 1 times [2022-07-23 15:25:15,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:15,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941224447] [2022-07-23 15:25:15,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:15,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:15,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:25:15,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:25:15,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:25:15,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941224447] [2022-07-23 15:25:15,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941224447] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:25:15,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:25:15,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:25:15,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675569088] [2022-07-23 15:25:15,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:25:15,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:25:15,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 15:25:15,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 15:25:15,347 INFO L87 Difference]: Start difference. First operand has 180 states, 179 states have (on average 1.3575418994413408) internal successors, (243), 179 states have internal predecessors, (243), 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) [2022-07-23 15:25:15,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:25:15,440 INFO L93 Difference]: Finished difference Result 177 states and 229 transitions. [2022-07-23 15:25:15,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 15:25:15,445 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 177 states and 229 transitions. [2022-07-23 15:25:15,452 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2022-07-23 15:25:15,459 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 177 states to 167 states and 219 transitions. [2022-07-23 15:25:15,461 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 167 [2022-07-23 15:25:15,463 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 167 [2022-07-23 15:25:15,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 219 transitions. [2022-07-23 15:25:15,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:25:15,465 INFO L369 hiAutomatonCegarLoop]: Abstraction has 167 states and 219 transitions. [2022-07-23 15:25:15,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 219 transitions. [2022-07-23 15:25:15,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2022-07-23 15:25:15,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 167 states have (on average 1.311377245508982) internal successors, (219), 166 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:25:15,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 219 transitions. [2022-07-23 15:25:15,489 INFO L392 hiAutomatonCegarLoop]: Abstraction has 167 states and 219 transitions. [2022-07-23 15:25:15,489 INFO L374 stractBuchiCegarLoop]: Abstraction has 167 states and 219 transitions. [2022-07-23 15:25:15,489 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 15:25:15,489 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 167 states and 219 transitions. [2022-07-23 15:25:15,491 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 112 [2022-07-23 15:25:15,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:25:15,491 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:25:15,492 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:15,492 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:15,492 INFO L752 eck$LassoCheckResult]: Stem: 541#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; 459#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1, main_~retValue_acc~3#1, main_~tmp~1#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 460#L311 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 477#L304 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 532#L319 main_#t~ret11#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret11#1;havoc main_#t~ret11#1; 538#L275 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 539#L248 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; 524#L700-2 [2022-07-23 15:25:15,493 INFO L754 eck$LassoCheckResult]: Loop: 524#L700-2 assume !false; 525#L701 assume test_~splverifierCounter~0#1 < 4; 426#L702 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 427#L710 assume !(0 != test_~tmp~5#1); 509#L710-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 446#L720 assume !(0 != test_~tmp___0~1#1); 385#L720-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 484#L730 assume 0 != test_~tmp___2~0#1; 452#L736-2 assume { :begin_inline_timeShift } true; 475#L764 assume !(0 != ~pumpRunning~0); 423#L764-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 513#L822 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret40#1, processEnvironment__wrappee__methaneQuery_~tmp~6#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~6#1; 491#L796-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 492#L788-3 assume { :end_inline_processEnvironment__wrappee__base } true; 474#L796-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 462#L822-1 assume { :end_inline_processEnvironment } true; 521#L771-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#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~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 537#L100-3 __utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1; 494#L169 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 481#L169-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 482#L781 assume { :end_inline_timeShift } true; 524#L700-2 [2022-07-23 15:25:15,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:15,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-23 15:25:15,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:15,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699777363] [2022-07-23 15:25:15,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:15,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:15,514 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:15,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:15,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:15,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1994990353, now seen corresponding path program 1 times [2022-07-23 15:25:15,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:15,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325102145] [2022-07-23 15:25:15,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:15,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:25:15,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:25:15,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:25:15,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325102145] [2022-07-23 15:25:15,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325102145] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:25:15,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:25:15,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 15:25:15,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097322881] [2022-07-23 15:25:15,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:25:15,545 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-23 15:25:15,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:25:15,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 15:25:15,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 15:25:15,546 INFO L87 Difference]: Start difference. First operand 167 states and 219 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:25:15,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:25:15,603 INFO L93 Difference]: Finished difference Result 228 states and 287 transitions. [2022-07-23 15:25:15,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 15:25:15,608 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 228 states and 287 transitions. [2022-07-23 15:25:15,611 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 158 [2022-07-23 15:25:15,614 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 228 states to 228 states and 287 transitions. [2022-07-23 15:25:15,614 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 228 [2022-07-23 15:25:15,616 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 228 [2022-07-23 15:25:15,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 228 states and 287 transitions. [2022-07-23 15:25:15,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:25:15,622 INFO L369 hiAutomatonCegarLoop]: Abstraction has 228 states and 287 transitions. [2022-07-23 15:25:15,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states and 287 transitions. [2022-07-23 15:25:15,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2022-07-23 15:25:15,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 228 states have (on average 1.2587719298245614) internal successors, (287), 227 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:25:15,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 287 transitions. [2022-07-23 15:25:15,632 INFO L392 hiAutomatonCegarLoop]: Abstraction has 228 states and 287 transitions. [2022-07-23 15:25:15,632 INFO L374 stractBuchiCegarLoop]: Abstraction has 228 states and 287 transitions. [2022-07-23 15:25:15,632 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 15:25:15,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 228 states and 287 transitions. [2022-07-23 15:25:15,634 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 158 [2022-07-23 15:25:15,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:25:15,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:25:15,637 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:15,637 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:25:15,638 INFO L752 eck$LassoCheckResult]: Stem: 954#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; 861#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret11#1, main_~retValue_acc~3#1, main_~tmp~1#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 862#L311 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 879#L304 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 938#L319 main_#t~ret11#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret11#1;havoc main_#t~ret11#1; 950#L275 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 951#L248 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; 932#L700-2 [2022-07-23 15:25:15,638 INFO L754 eck$LassoCheckResult]: Loop: 932#L700-2 assume !false; 933#L701 assume test_~splverifierCounter~0#1 < 4; 828#L702 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 829#L710 assume !(0 != test_~tmp~5#1); 910#L710-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 840#L720 assume !(0 != test_~tmp___0~1#1); 786#L720-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 887#L730 assume 0 != test_~tmp___2~0#1; 854#L736-2 assume { :begin_inline_timeShift } true; 878#L764 assume !(0 != ~pumpRunning~0); 931#L764-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 917#L822 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret40#1, processEnvironment__wrappee__methaneQuery_~tmp~6#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~6#1; 894#L796-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret52#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~9#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~9#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 868#L140-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 869#L145-1 isHighWaterLevel_#t~ret52#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~9#1 := isHighWaterLevel_#t~ret52#1;havoc isHighWaterLevel_#t~ret52#1; 909#L941-3 assume 0 != isHighWaterLevel_~tmp~9#1;isHighWaterLevel_~tmp___0~2#1 := 0; 792#L941-5 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 793#L947-1 processEnvironment__wrappee__methaneQuery_#t~ret40#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~6#1 := processEnvironment__wrappee__methaneQuery_#t~ret40#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret40#1; 867#L800-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 911#L788-2 assume { :end_inline_processEnvironment__wrappee__base } true; 876#L796-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 864#L822-1 assume { :end_inline_processEnvironment } true; 928#L771-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret9#1, __utac_acc__Specification1_spec__1_#t~ret10#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~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 948#L100-3 __utac_acc__Specification1_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret9#1;havoc __utac_acc__Specification1_spec__1_#t~ret9#1; 896#L169 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 884#L169-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 885#L781 assume { :end_inline_timeShift } true; 932#L700-2 [2022-07-23 15:25:15,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:15,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-07-23 15:25:15,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:15,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760979543] [2022-07-23 15:25:15,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:15,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:15,675 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:15,709 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:15,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:15,715 INFO L85 PathProgramCache]: Analyzing trace with hash -413153465, now seen corresponding path program 1 times [2022-07-23 15:25:15,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:15,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933269119] [2022-07-23 15:25:15,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:15,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:15,722 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:15,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:15,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:25:15,729 INFO L85 PathProgramCache]: Analyzing trace with hash -37865725, now seen corresponding path program 1 times [2022-07-23 15:25:15,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:25:15,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495061817] [2022-07-23 15:25:15,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:25:15,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:25:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:15,742 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:25:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:25:15,756 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:18,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 03:25:18 BoogieIcfgContainer [2022-07-23 15:25:18,342 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 15:25:18,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 15:25:18,343 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 15:25:18,343 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 15:25:18,344 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:25:14" (3/4) ... [2022-07-23 15:25:18,346 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-23 15:25:18,399 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-23 15:25:18,399 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 15:25:18,400 INFO L158 Benchmark]: Toolchain (without parser) took 4682.23ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 66.3MB in the beginning and 83.4MB in the end (delta: -17.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-07-23 15:25:18,401 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 102.8MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:25:18,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.22ms. Allocated memory is still 102.8MB. Free memory was 66.0MB in the beginning and 70.3MB in the end (delta: -4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 15:25:18,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.60ms. Allocated memory is still 102.8MB. Free memory was 70.3MB in the beginning and 66.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-23 15:25:18,402 INFO L158 Benchmark]: Boogie Preprocessor took 45.22ms. Allocated memory is still 102.8MB. Free memory was 66.7MB in the beginning and 64.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:25:18,403 INFO L158 Benchmark]: RCFGBuilder took 468.24ms. Allocated memory is still 102.8MB. Free memory was 64.0MB in the beginning and 41.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-23 15:25:18,403 INFO L158 Benchmark]: BuchiAutomizer took 3666.60ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 41.0MB in the beginning and 86.4MB in the end (delta: -45.5MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2022-07-23 15:25:18,404 INFO L158 Benchmark]: Witness Printer took 56.50ms. Allocated memory is still 148.9MB. Free memory was 86.4MB in the beginning and 83.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:25:18,405 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 102.8MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.22ms. Allocated memory is still 102.8MB. Free memory was 66.0MB in the beginning and 70.3MB in the end (delta: -4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.60ms. Allocated memory is still 102.8MB. Free memory was 70.3MB in the beginning and 66.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.22ms. Allocated memory is still 102.8MB. Free memory was 66.7MB in the beginning and 64.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 468.24ms. Allocated memory is still 102.8MB. Free memory was 64.0MB in the beginning and 41.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 3666.60ms. Allocated memory was 102.8MB in the beginning and 148.9MB in the end (delta: 46.1MB). Free memory was 41.0MB in the beginning and 86.4MB in the end (delta: -45.5MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Witness Printer took 56.50ms. Allocated memory is still 148.9MB. Free memory was 86.4MB in the beginning and 83.4MB 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 228 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1052 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1052 mSDsluCounter, 524 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 428 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 700]: 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, tmp___0=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c3f6d65=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e1f1d48=0, tmp=0, retValue_acc=1, methaneLevelCritical=0, retValue_acc=0, \result=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3bf1f9a7=29, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10242cf5=0, retValue_acc=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55b915b=0, \result=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2364e1dd=0, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64942a2c=0, cleanupTimeShifts=4, \result=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@452e95e9=0, head=0, tmp___1=0, NULL=0, tmp=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69376dcf=0, tmp=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4de86af6=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 700]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L187] int cleanupTimeShifts = 4; [L493] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L757] int pumpRunning = 0; [L758] int systemActive = 1; [L266] int retValue_acc ; [L267] int tmp ; [L271] FCALL select_helpers() [L272] FCALL select_features() [L273] CALL, EXPR valid_product() [L315] int retValue_acc ; [L318] retValue_acc = 1 [L319] return (retValue_acc); [L273] RET, EXPR valid_product() [L273] tmp = valid_product() [L275] COND TRUE \read(tmp) [L277] FCALL setup() [L278] CALL runTest() [L257] CALL test() [L691] int splverifierCounter ; [L692] int tmp ; [L693] int tmp___0 ; [L694] int tmp___1 ; [L695] int tmp___2 ; [L698] splverifierCounter = 0 Loop: [L700] COND TRUE 1 [L702] COND TRUE splverifierCounter < 4 [L708] tmp = __VERIFIER_nondet_int() [L710] COND FALSE !(\read(tmp)) [L718] tmp___0 = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp___0)) [L728] tmp___2 = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp___2) [L743] CALL timeShift() [L764] COND FALSE !(\read(pumpRunning)) [L771] COND TRUE \read(systemActive) [L773] CALL processEnvironment() [L819] int tmp ; [L822] COND FALSE !(\read(pumpRunning)) [L837] CALL processEnvironment__wrappee__methaneQuery() [L793] int tmp ; [L796] COND TRUE ! pumpRunning [L798] CALL, EXPR isHighWaterLevel() [L933] int retValue_acc ; [L934] int tmp ; [L935] int tmp___0 ; [L939] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L939] RET, EXPR isHighWaterSensorDry() [L939] tmp = isHighWaterSensorDry() [L941] COND TRUE \read(tmp) [L942] tmp___0 = 0 [L946] retValue_acc = tmp___0 [L947] return (retValue_acc); [L798] RET, EXPR isHighWaterLevel() [L798] tmp = isHighWaterLevel() [L800] COND FALSE !(\read(tmp)) [L806] FCALL processEnvironment__wrappee__base() [L837] RET processEnvironment__wrappee__methaneQuery() [L773] RET processEnvironment() [L779] CALL __utac_acc__Specification1_spec__1() [L162] int tmp ; [L163] int tmp___0 ; [L167] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L167] RET, EXPR isMethaneLevelCritical() [L167] tmp = isMethaneLevelCritical() [L169] COND FALSE !(\read(tmp)) [L779] RET __utac_acc__Specification1_spec__1() [L743] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-23 15:25:18,447 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)