./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product09.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 6eb031202bc5e91677d057e2e99b15d2f4511feedab41faf47e955f82709dea4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:16:40,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:16:40,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:16:40,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:16:40,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:16:40,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:16:40,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:16:40,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:16:40,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:16:40,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:16:40,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:16:40,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:16:40,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:16:40,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:16:40,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:16:40,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:16:40,748 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:16:40,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:16:40,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:16:40,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:16:40,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:16:40,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:16:40,757 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:16:40,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:16:40,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:16:40,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:16:40,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:16:40,763 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:16:40,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:16:40,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:16:40,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:16:40,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:16:40,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:16:40,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:16:40,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:16:40,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:16:40,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:16:40,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:16:40,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:16:40,770 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:16:40,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:16:40,771 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:16:40,796 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:16:40,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:16:40,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:16:40,797 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:16:40,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:16:40,799 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:16:40,799 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:16:40,799 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:16:40,799 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:16:40,799 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:16:40,800 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:16:40,800 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:16:40,800 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:16:40,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:16:40,801 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:16:40,801 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:16:40,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:16:40,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:16:40,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:16:40,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:16:40,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:16:40,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:16:40,802 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:16:40,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:16:40,802 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:16:40,802 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:16:40,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:16:40,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:16:40,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:16:40,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:16:40,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:16:40,804 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:16:40,804 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb031202bc5e91677d057e2e99b15d2f4511feedab41faf47e955f82709dea4 [2022-02-21 04:16:41,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:16:41,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:16:41,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:16:41,045 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:16:41,045 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:16:41,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2022-02-21 04:16:41,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba8eda12/2cf6b9ec1ff14599a989797db26e02e0/FLAG38029eb9a [2022-02-21 04:16:41,394 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:16:41,394 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2022-02-21 04:16:41,401 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba8eda12/2cf6b9ec1ff14599a989797db26e02e0/FLAG38029eb9a [2022-02-21 04:16:41,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba8eda12/2cf6b9ec1ff14599a989797db26e02e0 [2022-02-21 04:16:41,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:16:41,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:16:41,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:41,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:16:41,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:16:41,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:41" (1/1) ... [2022-02-21 04:16:41,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d27133c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:41, skipping insertion in model container [2022-02-21 04:16:41,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:41" (1/1) ... [2022-02-21 04:16:41,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:16:41,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:16:42,009 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_spec3_product09.cil.c[2897,2910] [2022-02-21 04:16:42,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:42,091 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:16:42,118 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_spec3_product09.cil.c[2897,2910] [2022-02-21 04:16:42,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:42,181 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:16:42,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:42 WrapperNode [2022-02-21 04:16:42,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:42,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:42,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:16:42,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:16:42,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:42" (1/1) ... [2022-02-21 04:16:42,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:42" (1/1) ... [2022-02-21 04:16:42,240 INFO L137 Inliner]: procedures = 50, calls = 147, calls flagged for inlining = 44, calls inlined = 35, statements flattened = 311 [2022-02-21 04:16:42,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:42,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:16:42,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:16:42,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:16:42,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:42" (1/1) ... [2022-02-21 04:16:42,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:42" (1/1) ... [2022-02-21 04:16:42,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:42" (1/1) ... [2022-02-21 04:16:42,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:42" (1/1) ... [2022-02-21 04:16:42,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:42" (1/1) ... [2022-02-21 04:16:42,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:42" (1/1) ... [2022-02-21 04:16:42,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:42" (1/1) ... [2022-02-21 04:16:42,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:16:42,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:16:42,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:16:42,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:16:42,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:42" (1/1) ... [2022-02-21 04:16:42,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:16:42,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:16:42,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:16:42,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-02-21 04:16:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:16:42,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:16:42,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:16:42,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:16:42,410 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:16:42,411 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:16:42,613 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:16:42,618 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:16:42,618 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:16:42,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:42 BoogieIcfgContainer [2022-02-21 04:16:42,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:16:42,620 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:16:42,620 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:16:42,622 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:16:42,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:42,623 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:16:41" (1/3) ... [2022-02-21 04:16:42,624 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74eeb31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:42, skipping insertion in model container [2022-02-21 04:16:42,624 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:42,624 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:42" (2/3) ... [2022-02-21 04:16:42,624 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74eeb31b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:42, skipping insertion in model container [2022-02-21 04:16:42,624 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:42,625 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:42" (3/3) ... [2022-02-21 04:16:42,625 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product09.cil.c [2022-02-21 04:16:42,653 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:16:42,653 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:16:42,653 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:16:42,653 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:16:42,653 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:16:42,653 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:16:42,653 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:16:42,654 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:16:42,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 81 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:42,708 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-02-21 04:16:42,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:42,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:42,715 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:42,715 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:42,715 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:16:42,716 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 81 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:42,725 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-02-21 04:16:42,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:42,725 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:42,726 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:42,726 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:42,729 INFO L791 eck$LassoCheckResult]: Stem: 62#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 51#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 50#L417true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 39#L410true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 48#L425true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 67#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 55#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 80#L173-2true [2022-02-21 04:16:42,734 INFO L793 eck$LassoCheckResult]: Loop: 80#L173-2true assume !false; 72#L174true assume test_~splverifierCounter~0#1 < 4; 6#L175true test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 34#L183true assume !(0 != test_~tmp~1#1); 45#L183-2true test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 68#L193true assume !(0 != test_~tmp___0~0#1); 61#L193-2true test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 33#L203true assume 0 != test_~tmp___2~0#1; 44#L209-2true assume { :begin_inline_timeShift } true; 76#L242true assume !(0 != ~pumpRunning~0); 64#L242-2true assume !(0 != ~systemActive~0); 4#L249-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 41#L839true __utac_acc__Specification3_spec__1_#t~ret19#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret19#1;havoc __utac_acc__Specification3_spec__1_#t~ret19#1; 10#L370true assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1; 78#L376-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 5#L259true assume { :end_inline_timeShift } true; 80#L173-2true [2022-02-21 04:16:42,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:42,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:16:42,749 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:42,749 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766421834] [2022-02-21 04:16:42,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:42,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:42,836 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:42,872 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:42,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:42,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1686819626, now seen corresponding path program 1 times [2022-02-21 04:16:42,875 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:42,875 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604712029] [2022-02-21 04:16:42,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:42,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:42,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:42,889 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:42,906 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:42,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:42,909 INFO L85 PathProgramCache]: Analyzing trace with hash -331400550, now seen corresponding path program 1 times [2022-02-21 04:16:42,909 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:42,910 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243711661] [2022-02-21 04:16:42,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:42,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:43,056 INFO L290 TraceCheckUtils]: 0: Hoare triple {89#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {91#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:43,057 INFO L290 TraceCheckUtils]: 1: Hoare triple {91#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {91#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:43,057 INFO L290 TraceCheckUtils]: 2: Hoare triple {91#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {91#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:43,058 INFO L290 TraceCheckUtils]: 3: Hoare triple {91#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; {92#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:16:43,058 INFO L290 TraceCheckUtils]: 4: Hoare triple {92#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {93#(= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0)} is VALID [2022-02-21 04:16:43,059 INFO L290 TraceCheckUtils]: 5: Hoare triple {93#(= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {94#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:43,059 INFO L290 TraceCheckUtils]: 6: Hoare triple {94#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {94#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:43,060 INFO L290 TraceCheckUtils]: 7: Hoare triple {94#(not (= 0 ~systemActive~0))} assume !false; {94#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:43,060 INFO L290 TraceCheckUtils]: 8: Hoare triple {94#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {94#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:43,060 INFO L290 TraceCheckUtils]: 9: Hoare triple {94#(not (= 0 ~systemActive~0))} test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {94#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:43,061 INFO L290 TraceCheckUtils]: 10: Hoare triple {94#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~1#1); {94#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:43,061 INFO L290 TraceCheckUtils]: 11: Hoare triple {94#(not (= 0 ~systemActive~0))} test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {94#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:43,062 INFO L290 TraceCheckUtils]: 12: Hoare triple {94#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0#1); {94#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:43,062 INFO L290 TraceCheckUtils]: 13: Hoare triple {94#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; {94#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:43,063 INFO L290 TraceCheckUtils]: 14: Hoare triple {94#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {94#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:43,063 INFO L290 TraceCheckUtils]: 15: Hoare triple {94#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {94#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:43,064 INFO L290 TraceCheckUtils]: 16: Hoare triple {94#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {94#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:43,064 INFO L290 TraceCheckUtils]: 17: Hoare triple {94#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {90#false} is VALID [2022-02-21 04:16:43,064 INFO L290 TraceCheckUtils]: 18: Hoare triple {90#false} assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; {90#false} is VALID [2022-02-21 04:16:43,065 INFO L290 TraceCheckUtils]: 19: Hoare triple {90#false} __utac_acc__Specification3_spec__1_#t~ret19#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret19#1;havoc __utac_acc__Specification3_spec__1_#t~ret19#1; {90#false} is VALID [2022-02-21 04:16:43,065 INFO L290 TraceCheckUtils]: 20: Hoare triple {90#false} assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1; {90#false} is VALID [2022-02-21 04:16:43,065 INFO L290 TraceCheckUtils]: 21: Hoare triple {90#false} assume { :end_inline___utac_acc__Specification3_spec__1 } true; {90#false} is VALID [2022-02-21 04:16:43,065 INFO L290 TraceCheckUtils]: 22: Hoare triple {90#false} assume { :end_inline_timeShift } true; {90#false} is VALID [2022-02-21 04:16:43,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:16:43,066 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:43,067 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243711661] [2022-02-21 04:16:43,067 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243711661] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:43,067 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:43,067 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:16:43,068 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278427441] [2022-02-21 04:16:43,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:43,211 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:43,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:16:43,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:16:43,233 INFO L87 Difference]: Start difference. First operand has 81 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 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) [2022-02-21 04:16:43,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:43,417 INFO L93 Difference]: Finished difference Result 78 states and 97 transitions. [2022-02-21 04:16:43,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 04:16:43,418 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 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) [2022-02-21 04:16:43,437 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:16:43,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 97 transitions. [2022-02-21 04:16:43,444 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2022-02-21 04:16:43,448 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 68 states and 87 transitions. [2022-02-21 04:16:43,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2022-02-21 04:16:43,449 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2022-02-21 04:16:43,449 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 87 transitions. [2022-02-21 04:16:43,450 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:43,450 INFO L681 BuchiCegarLoop]: Abstraction has 68 states and 87 transitions. [2022-02-21 04:16:43,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 87 transitions. [2022-02-21 04:16:43,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-02-21 04:16:43,467 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:43,468 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states and 87 transitions. Second operand has 68 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 67 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:43,469 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states and 87 transitions. Second operand has 68 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 67 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:43,470 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand has 68 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 67 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:43,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:43,473 INFO L93 Difference]: Finished difference Result 68 states and 87 transitions. [2022-02-21 04:16:43,473 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2022-02-21 04:16:43,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:43,474 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:43,474 INFO L74 IsIncluded]: Start isIncluded. First operand has 68 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 67 states have internal predecessors, (87), 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 68 states and 87 transitions. [2022-02-21 04:16:43,475 INFO L87 Difference]: Start difference. First operand has 68 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 67 states have internal predecessors, (87), 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 68 states and 87 transitions. [2022-02-21 04:16:43,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:43,477 INFO L93 Difference]: Finished difference Result 68 states and 87 transitions. [2022-02-21 04:16:43,477 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2022-02-21 04:16:43,477 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:43,477 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:43,477 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:43,478 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:43,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 67 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:43,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2022-02-21 04:16:43,480 INFO L704 BuchiCegarLoop]: Abstraction has 68 states and 87 transitions. [2022-02-21 04:16:43,481 INFO L587 BuchiCegarLoop]: Abstraction has 68 states and 87 transitions. [2022-02-21 04:16:43,481 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:16:43,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 87 transitions. [2022-02-21 04:16:43,482 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2022-02-21 04:16:43,482 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:43,482 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:43,482 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:43,482 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:43,483 INFO L791 eck$LassoCheckResult]: Stem: 241#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 232#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 231#L417 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 223#L410 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 224#L425 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 230#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 235#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 180#L173-2 [2022-02-21 04:16:43,483 INFO L793 eck$LassoCheckResult]: Loop: 180#L173-2 assume !false; 243#L174 assume test_~splverifierCounter~0#1 < 4; 183#L175 test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 184#L183 assume !(0 != test_~tmp~1#1); 199#L183-2 test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 228#L193 assume !(0 != test_~tmp___0~0#1); 240#L193-2 test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 214#L203 assume 0 != test_~tmp___2~0#1; 216#L209-2 assume { :begin_inline_timeShift } true; 227#L242 assume !(0 != ~pumpRunning~0); 213#L242-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 202#L266 assume { :end_inline_processEnvironment } true; 177#L249-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 178#L839 __utac_acc__Specification3_spec__1_#t~ret19#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret19#1;havoc __utac_acc__Specification3_spec__1_#t~ret19#1; 190#L370 assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1; 186#L376-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 179#L259 assume { :end_inline_timeShift } true; 180#L173-2 [2022-02-21 04:16:43,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:43,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:16:43,484 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:43,484 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122639385] [2022-02-21 04:16:43,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:43,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:43,510 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:43,523 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:43,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:43,524 INFO L85 PathProgramCache]: Analyzing trace with hash -123324301, now seen corresponding path program 1 times [2022-02-21 04:16:43,524 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:43,525 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596699194] [2022-02-21 04:16:43,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:43,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:43,529 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:43,536 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:43,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:43,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1055005905, now seen corresponding path program 1 times [2022-02-21 04:16:43,540 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:43,540 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211323048] [2022-02-21 04:16:43,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:43,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:43,613 INFO L290 TraceCheckUtils]: 0: Hoare triple {388#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,613 INFO L290 TraceCheckUtils]: 1: Hoare triple {390#(= ~methaneLevelCritical~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,614 INFO L290 TraceCheckUtils]: 2: Hoare triple {390#(= ~methaneLevelCritical~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,614 INFO L290 TraceCheckUtils]: 3: Hoare triple {390#(= ~methaneLevelCritical~0 0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,615 INFO L290 TraceCheckUtils]: 4: Hoare triple {390#(= ~methaneLevelCritical~0 0)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,615 INFO L290 TraceCheckUtils]: 5: Hoare triple {390#(= ~methaneLevelCritical~0 0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,616 INFO L290 TraceCheckUtils]: 6: Hoare triple {390#(= ~methaneLevelCritical~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,616 INFO L290 TraceCheckUtils]: 7: Hoare triple {390#(= ~methaneLevelCritical~0 0)} assume !false; {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,617 INFO L290 TraceCheckUtils]: 8: Hoare triple {390#(= ~methaneLevelCritical~0 0)} assume test_~splverifierCounter~0#1 < 4; {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,617 INFO L290 TraceCheckUtils]: 9: Hoare triple {390#(= ~methaneLevelCritical~0 0)} test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,617 INFO L290 TraceCheckUtils]: 10: Hoare triple {390#(= ~methaneLevelCritical~0 0)} assume !(0 != test_~tmp~1#1); {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,618 INFO L290 TraceCheckUtils]: 11: Hoare triple {390#(= ~methaneLevelCritical~0 0)} test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,618 INFO L290 TraceCheckUtils]: 12: Hoare triple {390#(= ~methaneLevelCritical~0 0)} assume !(0 != test_~tmp___0~0#1); {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,618 INFO L290 TraceCheckUtils]: 13: Hoare triple {390#(= ~methaneLevelCritical~0 0)} test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,619 INFO L290 TraceCheckUtils]: 14: Hoare triple {390#(= ~methaneLevelCritical~0 0)} assume 0 != test_~tmp___2~0#1; {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,619 INFO L290 TraceCheckUtils]: 15: Hoare triple {390#(= ~methaneLevelCritical~0 0)} assume { :begin_inline_timeShift } true; {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,620 INFO L290 TraceCheckUtils]: 16: Hoare triple {390#(= ~methaneLevelCritical~0 0)} assume !(0 != ~pumpRunning~0); {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,620 INFO L290 TraceCheckUtils]: 17: Hoare triple {390#(= ~methaneLevelCritical~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,620 INFO L290 TraceCheckUtils]: 18: Hoare triple {390#(= ~methaneLevelCritical~0 0)} assume { :end_inline_processEnvironment } true; {390#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:43,621 INFO L290 TraceCheckUtils]: 19: Hoare triple {390#(= ~methaneLevelCritical~0 0)} assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; {391#(= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0)} is VALID [2022-02-21 04:16:43,621 INFO L290 TraceCheckUtils]: 20: Hoare triple {391#(= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0)} __utac_acc__Specification3_spec__1_#t~ret19#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret19#1;havoc __utac_acc__Specification3_spec__1_#t~ret19#1; {392#(= |ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3#1| 0)} is VALID [2022-02-21 04:16:43,622 INFO L290 TraceCheckUtils]: 21: Hoare triple {392#(= |ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~3#1| 0)} assume 0 != __utac_acc__Specification3_spec__1_~tmp~3#1; {389#false} is VALID [2022-02-21 04:16:43,622 INFO L290 TraceCheckUtils]: 22: Hoare triple {389#false} assume { :end_inline___utac_acc__Specification3_spec__1 } true; {389#false} is VALID [2022-02-21 04:16:43,622 INFO L290 TraceCheckUtils]: 23: Hoare triple {389#false} assume { :end_inline_timeShift } true; {389#false} is VALID [2022-02-21 04:16:43,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:16:43,622 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:43,623 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211323048] [2022-02-21 04:16:43,623 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211323048] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:43,623 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:43,623 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 04:16:43,623 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915494087] [2022-02-21 04:16:43,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:43,715 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:43,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:16:43,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:16:43,718 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:44,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:44,053 INFO L93 Difference]: Finished difference Result 220 states and 285 transitions. [2022-02-21 04:16:44,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-21 04:16:44,054 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:44,075 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:16:44,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 220 states and 285 transitions. [2022-02-21 04:16:44,088 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 158 [2022-02-21 04:16:44,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 220 states to 220 states and 285 transitions. [2022-02-21 04:16:44,094 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 220 [2022-02-21 04:16:44,094 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 220 [2022-02-21 04:16:44,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 220 states and 285 transitions. [2022-02-21 04:16:44,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:44,095 INFO L681 BuchiCegarLoop]: Abstraction has 220 states and 285 transitions. [2022-02-21 04:16:44,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states and 285 transitions. [2022-02-21 04:16:44,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 129. [2022-02-21 04:16:44,100 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:44,101 INFO L82 GeneralOperation]: Start isEquivalent. First operand 220 states and 285 transitions. Second operand has 129 states, 129 states have (on average 1.2635658914728682) internal successors, (163), 128 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:44,101 INFO L74 IsIncluded]: Start isIncluded. First operand 220 states and 285 transitions. Second operand has 129 states, 129 states have (on average 1.2635658914728682) internal successors, (163), 128 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:44,102 INFO L87 Difference]: Start difference. First operand 220 states and 285 transitions. Second operand has 129 states, 129 states have (on average 1.2635658914728682) internal successors, (163), 128 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:44,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:44,107 INFO L93 Difference]: Finished difference Result 220 states and 285 transitions. [2022-02-21 04:16:44,107 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 285 transitions. [2022-02-21 04:16:44,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:44,108 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:44,108 INFO L74 IsIncluded]: Start isIncluded. First operand has 129 states, 129 states have (on average 1.2635658914728682) internal successors, (163), 128 states have internal predecessors, (163), 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 220 states and 285 transitions. [2022-02-21 04:16:44,109 INFO L87 Difference]: Start difference. First operand has 129 states, 129 states have (on average 1.2635658914728682) internal successors, (163), 128 states have internal predecessors, (163), 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 220 states and 285 transitions. [2022-02-21 04:16:44,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:44,114 INFO L93 Difference]: Finished difference Result 220 states and 285 transitions. [2022-02-21 04:16:44,114 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 285 transitions. [2022-02-21 04:16:44,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:44,115 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:44,115 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:44,115 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:44,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 129 states have (on average 1.2635658914728682) internal successors, (163), 128 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:44,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 163 transitions. [2022-02-21 04:16:44,117 INFO L704 BuchiCegarLoop]: Abstraction has 129 states and 163 transitions. [2022-02-21 04:16:44,118 INFO L587 BuchiCegarLoop]: Abstraction has 129 states and 163 transitions. [2022-02-21 04:16:44,118 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:16:44,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 163 transitions. [2022-02-21 04:16:44,118 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 92 [2022-02-21 04:16:44,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:44,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:44,119 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:44,119 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] [2022-02-21 04:16:44,119 INFO L791 eck$LassoCheckResult]: Stem: 693#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 681#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 679#L417 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 668#L410 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 669#L425 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 678#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 684#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 685#L173-2 [2022-02-21 04:16:44,120 INFO L793 eck$LassoCheckResult]: Loop: 685#L173-2 assume !false; 734#L174 assume test_~splverifierCounter~0#1 < 4; 735#L175 test_~tmp~1#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 748#L183 assume !(0 != test_~tmp~1#1); 746#L183-2 test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 745#L193 assume !(0 != test_~tmp___0~0#1); 690#L193-2 test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 659#L203 assume 0 != test_~tmp___2~0#1; 661#L209-2 assume { :begin_inline_timeShift } true; 675#L242 assume !(0 != ~pumpRunning~0); 658#L242-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 647#L266 assume { :end_inline_processEnvironment } true; 621#L249-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_#t~ret21#1, __utac_acc__Specification3_spec__1_~tmp~3#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~3#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 622#L839 __utac_acc__Specification3_spec__1_#t~ret19#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~3#1 := __utac_acc__Specification3_spec__1_#t~ret19#1;havoc __utac_acc__Specification3_spec__1_#t~ret19#1; 634#L370 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 635#L871 __utac_acc__Specification3_spec__1_#t~ret20#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1#1 := __utac_acc__Specification3_spec__1_#t~ret20#1;havoc __utac_acc__Specification3_spec__1_#t~ret20#1; 673#L376 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1#1); 737#L376-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 736#L259 assume { :end_inline_timeShift } true; 685#L173-2 [2022-02-21 04:16:44,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:44,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-02-21 04:16:44,120 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:44,121 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504326903] [2022-02-21 04:16:44,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:44,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:44,128 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:44,136 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:44,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:44,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1745681414, now seen corresponding path program 1 times [2022-02-21 04:16:44,136 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:44,137 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120944137] [2022-02-21 04:16:44,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:44,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:44,140 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:44,143 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:44,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:44,144 INFO L85 PathProgramCache]: Analyzing trace with hash -247142462, now seen corresponding path program 1 times [2022-02-21 04:16:44,144 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:44,144 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060575444] [2022-02-21 04:16:44,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:44,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:44,152 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:44,161 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:46,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:16:46 BoogieIcfgContainer [2022-02-21 04:16:46,465 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:16:46,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:16:46,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:16:46,466 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:16:46,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:42" (3/4) ... [2022-02-21 04:16:46,468 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:16:46,500 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:16:46,500 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:16:46,501 INFO L158 Benchmark]: Toolchain (without parser) took 4684.44ms. Allocated memory was 77.6MB in the beginning and 163.6MB in the end (delta: 86.0MB). Free memory was 41.1MB in the beginning and 69.7MB in the end (delta: -28.6MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:46,501 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:16:46,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.28ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 40.9MB in the beginning and 71.3MB in the end (delta: -30.4MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-02-21 04:16:46,501 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.04ms. Allocated memory is still 104.9MB. Free memory was 71.3MB in the beginning and 68.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:46,502 INFO L158 Benchmark]: Boogie Preprocessor took 33.83ms. Allocated memory is still 104.9MB. Free memory was 68.2MB in the beginning and 66.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:46,502 INFO L158 Benchmark]: RCFGBuilder took 344.23ms. Allocated memory is still 104.9MB. Free memory was 66.5MB in the beginning and 74.2MB in the end (delta: -7.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-02-21 04:16:46,502 INFO L158 Benchmark]: BuchiAutomizer took 3844.96ms. Allocated memory was 104.9MB in the beginning and 163.6MB in the end (delta: 58.7MB). Free memory was 73.6MB in the beginning and 71.8MB in the end (delta: 1.8MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2022-02-21 04:16:46,505 INFO L158 Benchmark]: Witness Printer took 34.54ms. Allocated memory is still 163.6MB. Free memory was 71.8MB in the beginning and 69.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:46,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.28ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 40.9MB in the beginning and 71.3MB in the end (delta: -30.4MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.04ms. Allocated memory is still 104.9MB. Free memory was 71.3MB in the beginning and 68.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.83ms. Allocated memory is still 104.9MB. Free memory was 68.2MB in the beginning and 66.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 344.23ms. Allocated memory is still 104.9MB. Free memory was 66.5MB in the beginning and 74.2MB in the end (delta: -7.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3844.96ms. Allocated memory was 104.9MB in the beginning and 163.6MB in the end (delta: 58.7MB). Free memory was 73.6MB in the beginning and 71.8MB in the end (delta: 1.8MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. * Witness Printer took 34.54ms. Allocated memory is still 163.6MB. Free memory was 71.8MB in the beginning and 69.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 129 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 129 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 566 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 566 mSDsluCounter, 558 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 350 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 208 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 173]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, retValue_acc=0, NULL=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ecbe61c=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59ef641c=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19510852=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1485f553=29, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71e74f56=0, methaneLevelCritical=0, retValue_acc=0, tmp___0=1, \result=0, tmp=0, \result=1, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d23beea=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71147e6f=0, tmp___2=29, tmp___1=0, tmp=0, cleanupTimeShifts=4, tmp=1, \result=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@293e3db5=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 173]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L234] int pumpRunning = 0; [L235] int systemActive = 1; [L599] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L796] int waterLevel = 1; [L797] int methaneLevelCritical = 0; [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L421] int retValue_acc ; [L424] retValue_acc = 1 [L425] return (retValue_acc); [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L164] int splverifierCounter ; [L165] int tmp ; [L166] int tmp___0 ; [L167] int tmp___1 ; [L168] int tmp___2 ; [L171] splverifierCounter = 0 Loop: [L173] COND TRUE 1 [L175] COND TRUE splverifierCounter < 4 [L181] tmp = __VERIFIER_nondet_int() [L183] COND FALSE !(\read(tmp)) [L191] tmp___0 = __VERIFIER_nondet_int() [L193] COND FALSE !(\read(tmp___0)) [L201] tmp___2 = __VERIFIER_nondet_int() [L203] COND TRUE \read(tmp___2) [L216] CALL timeShift() [L242] COND FALSE !(\read(pumpRunning)) [L249] COND TRUE \read(systemActive) [L251] FCALL processEnvironment() [L257] CALL __utac_acc__Specification3_spec__1() [L362] int tmp ; [L363] int tmp___0 ; [L364] int tmp___1 ; [L368] CALL, EXPR isMethaneLevelCritical() [L835] int retValue_acc ; [L838] retValue_acc = methaneLevelCritical [L839] return (retValue_acc); [L368] RET, EXPR isMethaneLevelCritical() [L368] tmp = isMethaneLevelCritical() [L370] COND FALSE !(\read(tmp)) [L374] CALL, EXPR getWaterLevel() [L867] int retValue_acc ; [L870] retValue_acc = waterLevel [L871] return (retValue_acc); [L374] RET, EXPR getWaterLevel() [L374] tmp___0 = getWaterLevel() [L376] COND FALSE !(tmp___0 == 2) [L257] RET __utac_acc__Specification3_spec__1() [L216] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:16:46,544 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)