./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product52.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_product52.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 e70c7d407828df40e6ca35d99b4a3a65ee0ebef631e767452684b3cd94b17437 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:17:15,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:17:15,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:17:15,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:17:15,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:17:15,095 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:17:15,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:17:15,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:17:15,101 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:17:15,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:17:15,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:17:15,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:17:15,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:17:15,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:17:15,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:17:15,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:17:15,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:17:15,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:17:15,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:17:15,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:17:15,110 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:17:15,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:17:15,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:17:15,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:17:15,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:17:15,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:17:15,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:17:15,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:17:15,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:17:15,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:17:15,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:17:15,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:17:15,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:17:15,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:17:15,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:17:15,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:17:15,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:17:15,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:17:15,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:17:15,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:17:15,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:17:15,134 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:17:15,156 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:17:15,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:17:15,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:17:15,157 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:17:15,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:17:15,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:17:15,158 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:17:15,158 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:17:15,158 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:17:15,158 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:17:15,159 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:17:15,159 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:17:15,160 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:17:15,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:17:15,160 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:17:15,160 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:17:15,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:17:15,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:17:15,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:17:15,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:17:15,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:17:15,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:17:15,161 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:17:15,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:17:15,161 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:17:15,161 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:17:15,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:17:15,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:17:15,162 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:17:15,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:17:15,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:17:15,163 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:17:15,163 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e70c7d407828df40e6ca35d99b4a3a65ee0ebef631e767452684b3cd94b17437 [2022-02-21 04:17:15,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:17:15,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:17:15,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:17:15,397 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:17:15,398 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:17:15,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c [2022-02-21 04:17:15,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5a6f45a/479ed48202d54de8ab44dd6697c7a8f3/FLAG1fd5ec267 [2022-02-21 04:17:15,982 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:17:15,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product52.cil.c [2022-02-21 04:17:16,006 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5a6f45a/479ed48202d54de8ab44dd6697c7a8f3/FLAG1fd5ec267 [2022-02-21 04:17:16,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b5a6f45a/479ed48202d54de8ab44dd6697c7a8f3 [2022-02-21 04:17:16,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:17:16,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:17:16,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:16,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:17:16,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:17:16,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:16" (1/1) ... [2022-02-21 04:17:16,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8a12307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:16, skipping insertion in model container [2022-02-21 04:17:16,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:16" (1/1) ... [2022-02-21 04:17:16,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:17:16,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:17:16,866 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_product52.cil.c[17256,17269] [2022-02-21 04:17:16,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:16,928 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:17:17,064 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_product52.cil.c[17256,17269] [2022-02-21 04:17:17,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:17,108 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:17:17,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:17 WrapperNode [2022-02-21 04:17:17,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:17,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:17,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:17:17,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:17:17,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:17" (1/1) ... [2022-02-21 04:17:17,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:17" (1/1) ... [2022-02-21 04:17:17,230 INFO L137 Inliner]: procedures = 57, calls = 158, calls flagged for inlining = 55, calls inlined = 83, statements flattened = 642 [2022-02-21 04:17:17,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:17,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:17:17,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:17:17,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:17:17,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:17" (1/1) ... [2022-02-21 04:17:17,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:17" (1/1) ... [2022-02-21 04:17:17,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:17" (1/1) ... [2022-02-21 04:17:17,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:17" (1/1) ... [2022-02-21 04:17:17,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:17" (1/1) ... [2022-02-21 04:17:17,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:17" (1/1) ... [2022-02-21 04:17:17,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:17" (1/1) ... [2022-02-21 04:17:17,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:17:17,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:17:17,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:17:17,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:17:17,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:17" (1/1) ... [2022-02-21 04:17:17,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:17:17,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:17:17,325 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 04:17:17,328 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 04:17:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:17:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:17:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:17:17,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:17:17,474 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:17:17,475 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:17:17,919 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:17:17,929 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:17:17,933 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:17:17,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:17 BoogieIcfgContainer [2022-02-21 04:17:17,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:17:17,937 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:17:17,937 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:17:17,940 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:17:17,941 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:17,941 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:17:16" (1/3) ... [2022-02-21 04:17:17,942 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76533b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:17, skipping insertion in model container [2022-02-21 04:17:17,961 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:17,961 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:17" (2/3) ... [2022-02-21 04:17:17,962 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76533b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:17, skipping insertion in model container [2022-02-21 04:17:17,962 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:17,962 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:17" (3/3) ... [2022-02-21 04:17:17,965 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product52.cil.c [2022-02-21 04:17:18,018 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:17:18,018 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:17:18,019 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:17:18,019 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:17:18,019 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:17:18,019 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:17:18,019 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:17:18,019 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:17:18,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 173 states, 172 states have (on average 1.377906976744186) internal successors, (237), 172 states have internal predecessors, (237), 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 04:17:18,113 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 113 [2022-02-21 04:17:18,113 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:18,113 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:18,120 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:18,120 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 04:17:18,120 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:17:18,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 173 states, 172 states have (on average 1.377906976744186) internal successors, (237), 172 states have internal predecessors, (237), 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 04:17:18,137 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 113 [2022-02-21 04:17:18,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:18,140 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:18,140 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:18,140 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 04:17:18,145 INFO L791 eck$LassoCheckResult]: Stem: 154#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 45#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~9#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 94#L893true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 171#L886true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 167#L901true main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 44#L988true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 102#L965true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 112#L800-2true [2022-02-21 04:17:18,146 INFO L793 eck$LassoCheckResult]: Loop: 112#L800-2true assume !false; 144#L801true assume test_~splverifierCounter~0#1 < 4; 61#L802true test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 6#L810true assume !(0 != test_~tmp~8#1); 26#L810-2true test_~tmp___0~3#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 30#L820true assume !(0 != test_~tmp___0~3#1); 123#L820-2true test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 132#L830true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 32#L838true assume !(0 != test_~tmp___1~1#1); 130#L838-2true assume { :begin_inline_timeShift } true; 106#L576true assume !(0 != ~pumpRunning~0); 53#L576-2true assume !(0 != ~systemActive~0); 48#L583-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 77#L137true __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 8#L63true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 165#L69-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 87#L593true assume { :end_inline_timeShift } true; 112#L800-2true [2022-02-21 04:17:18,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:18,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:17:18,160 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:18,161 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376635748] [2022-02-21 04:17:18,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:18,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:18,334 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:18,392 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:18,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:18,396 INFO L85 PathProgramCache]: Analyzing trace with hash -902471231, now seen corresponding path program 1 times [2022-02-21 04:17:18,396 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:18,398 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651066348] [2022-02-21 04:17:18,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:18,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:18,423 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:18,441 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:18,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:18,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1834152835, now seen corresponding path program 1 times [2022-02-21 04:17:18,446 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:18,446 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959596471] [2022-02-21 04:17:18,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:18,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:17:18,590 INFO L290 TraceCheckUtils]: 0: Hoare triple {181#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {183#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:18,591 INFO L290 TraceCheckUtils]: 1: Hoare triple {183#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~9#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; {183#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:18,591 INFO L290 TraceCheckUtils]: 2: Hoare triple {183#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {183#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:18,592 INFO L290 TraceCheckUtils]: 3: Hoare triple {183#(= 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~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; {184#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:17:18,592 INFO L290 TraceCheckUtils]: 4: Hoare triple {184#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; {185#(= |ULTIMATE.start_main_~tmp~9#1| ~systemActive~0)} is VALID [2022-02-21 04:17:18,593 INFO L290 TraceCheckUtils]: 5: Hoare triple {185#(= |ULTIMATE.start_main_~tmp~9#1| ~systemActive~0)} assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; {186#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:18,593 INFO L290 TraceCheckUtils]: 6: Hoare triple {186#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {186#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:18,594 INFO L290 TraceCheckUtils]: 7: Hoare triple {186#(not (= 0 ~systemActive~0))} assume !false; {186#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:18,594 INFO L290 TraceCheckUtils]: 8: Hoare triple {186#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {186#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:18,595 INFO L290 TraceCheckUtils]: 9: Hoare triple {186#(not (= 0 ~systemActive~0))} test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; {186#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:18,595 INFO L290 TraceCheckUtils]: 10: Hoare triple {186#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~8#1); {186#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:18,596 INFO L290 TraceCheckUtils]: 11: Hoare triple {186#(not (= 0 ~systemActive~0))} test_~tmp___0~3#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; {186#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:18,596 INFO L290 TraceCheckUtils]: 12: Hoare triple {186#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~3#1); {186#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:18,597 INFO L290 TraceCheckUtils]: 13: Hoare triple {186#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; {186#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:18,597 INFO L290 TraceCheckUtils]: 14: Hoare triple {186#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; {186#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:18,598 INFO L290 TraceCheckUtils]: 15: Hoare triple {186#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___1~1#1); {186#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:18,598 INFO L290 TraceCheckUtils]: 16: Hoare triple {186#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {186#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:18,599 INFO L290 TraceCheckUtils]: 17: Hoare triple {186#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {186#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:17:18,599 INFO L290 TraceCheckUtils]: 18: Hoare triple {186#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {182#false} is VALID [2022-02-21 04:17:18,599 INFO L290 TraceCheckUtils]: 19: Hoare triple {182#false} assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; {182#false} is VALID [2022-02-21 04:17:18,600 INFO L290 TraceCheckUtils]: 20: Hoare triple {182#false} __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; {182#false} is VALID [2022-02-21 04:17:18,600 INFO L290 TraceCheckUtils]: 21: Hoare triple {182#false} assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; {182#false} is VALID [2022-02-21 04:17:18,600 INFO L290 TraceCheckUtils]: 22: Hoare triple {182#false} assume { :end_inline___utac_acc__Specification3_spec__1 } true; {182#false} is VALID [2022-02-21 04:17:18,600 INFO L290 TraceCheckUtils]: 23: Hoare triple {182#false} assume { :end_inline_timeShift } true; {182#false} is VALID [2022-02-21 04:17:18,601 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 04:17:18,601 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:17:18,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959596471] [2022-02-21 04:17:18,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959596471] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:17:18,603 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:17:18,603 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:17:18,603 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144565834] [2022-02-21 04:17:18,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:17:18,732 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:17:18,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:17:18,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:17:18,771 INFO L87 Difference]: Start difference. First operand has 173 states, 172 states have (on average 1.377906976744186) internal successors, (237), 172 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:19,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:19,804 INFO L93 Difference]: Finished difference Result 564 states and 746 transitions. [2022-02-21 04:17:19,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:17:19,805 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:17:19,823 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 04:17:19,826 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 564 states and 746 transitions. [2022-02-21 04:17:19,849 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 368 [2022-02-21 04:17:19,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 564 states to 524 states and 706 transitions. [2022-02-21 04:17:19,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 524 [2022-02-21 04:17:19,866 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 524 [2022-02-21 04:17:19,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 524 states and 706 transitions. [2022-02-21 04:17:19,868 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:17:19,868 INFO L681 BuchiCegarLoop]: Abstraction has 524 states and 706 transitions. [2022-02-21 04:17:19,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states and 706 transitions. [2022-02-21 04:17:19,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 218. [2022-02-21 04:17:19,893 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:17:19,894 INFO L82 GeneralOperation]: Start isEquivalent. First operand 524 states and 706 transitions. Second operand has 218 states, 218 states have (on average 1.3440366972477065) internal successors, (293), 217 states have internal predecessors, (293), 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 04:17:19,895 INFO L74 IsIncluded]: Start isIncluded. First operand 524 states and 706 transitions. Second operand has 218 states, 218 states have (on average 1.3440366972477065) internal successors, (293), 217 states have internal predecessors, (293), 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 04:17:19,896 INFO L87 Difference]: Start difference. First operand 524 states and 706 transitions. Second operand has 218 states, 218 states have (on average 1.3440366972477065) internal successors, (293), 217 states have internal predecessors, (293), 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 04:17:19,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:19,925 INFO L93 Difference]: Finished difference Result 524 states and 706 transitions. [2022-02-21 04:17:19,926 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 706 transitions. [2022-02-21 04:17:19,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:19,928 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:19,929 INFO L74 IsIncluded]: Start isIncluded. First operand has 218 states, 218 states have (on average 1.3440366972477065) internal successors, (293), 217 states have internal predecessors, (293), 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 524 states and 706 transitions. [2022-02-21 04:17:19,929 INFO L87 Difference]: Start difference. First operand has 218 states, 218 states have (on average 1.3440366972477065) internal successors, (293), 217 states have internal predecessors, (293), 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 524 states and 706 transitions. [2022-02-21 04:17:19,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:19,942 INFO L93 Difference]: Finished difference Result 524 states and 706 transitions. [2022-02-21 04:17:19,942 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 706 transitions. [2022-02-21 04:17:19,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:19,944 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:19,944 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:17:19,944 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:17:19,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 218 states have (on average 1.3440366972477065) internal successors, (293), 217 states have internal predecessors, (293), 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 04:17:19,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 293 transitions. [2022-02-21 04:17:19,949 INFO L704 BuchiCegarLoop]: Abstraction has 218 states and 293 transitions. [2022-02-21 04:17:19,949 INFO L587 BuchiCegarLoop]: Abstraction has 218 states and 293 transitions. [2022-02-21 04:17:19,949 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:17:19,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 218 states and 293 transitions. [2022-02-21 04:17:19,950 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 153 [2022-02-21 04:17:19,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:19,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:19,951 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:19,951 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:19,951 INFO L791 eck$LassoCheckResult]: Stem: 913#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 825#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~9#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 826#L893 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 881#L886 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 915#L901 main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 823#L988 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 824#L965 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 874#L800-2 [2022-02-21 04:17:19,952 INFO L793 eck$LassoCheckResult]: Loop: 874#L800-2 assume !false; 893#L801 assume test_~splverifierCounter~0#1 < 4; 846#L802 test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 758#L810 assume !(0 != test_~tmp~8#1); 760#L810-2 test_~tmp___0~3#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 793#L820 assume !(0 != test_~tmp___0~3#1); 801#L820-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 901#L830 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 804#L838 assume !(0 != test_~tmp___1~1#1); 805#L838-2 assume { :begin_inline_timeShift } true; 887#L576 assume !(0 != ~pumpRunning~0); 838#L576-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 839#L634 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret35#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 896#L608-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 815#L600-3 assume { :end_inline_processEnvironment__wrappee__base } true; 809#L608-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 810#L634-1 assume { :end_inline_processEnvironment } true; 830#L583-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 831#L137 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 764#L63 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 765#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 873#L593 assume { :end_inline_timeShift } true; 874#L800-2 [2022-02-21 04:17:19,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:19,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:17:19,953 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:19,953 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97083725] [2022-02-21 04:17:19,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:19,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:19,964 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:19,976 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:19,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:19,976 INFO L85 PathProgramCache]: Analyzing trace with hash -2056880329, now seen corresponding path program 1 times [2022-02-21 04:17:19,976 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:19,977 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463186585] [2022-02-21 04:17:19,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:19,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:17:19,990 INFO L290 TraceCheckUtils]: 0: Hoare triple {2026#true} assume !false; {2026#true} is VALID [2022-02-21 04:17:19,990 INFO L290 TraceCheckUtils]: 1: Hoare triple {2026#true} assume test_~splverifierCounter~0#1 < 4; {2026#true} is VALID [2022-02-21 04:17:19,991 INFO L290 TraceCheckUtils]: 2: Hoare triple {2026#true} test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; {2026#true} is VALID [2022-02-21 04:17:19,991 INFO L290 TraceCheckUtils]: 3: Hoare triple {2026#true} assume !(0 != test_~tmp~8#1); {2026#true} is VALID [2022-02-21 04:17:19,991 INFO L290 TraceCheckUtils]: 4: Hoare triple {2026#true} test_~tmp___0~3#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; {2026#true} is VALID [2022-02-21 04:17:19,991 INFO L290 TraceCheckUtils]: 5: Hoare triple {2026#true} assume !(0 != test_~tmp___0~3#1); {2026#true} is VALID [2022-02-21 04:17:19,991 INFO L290 TraceCheckUtils]: 6: Hoare triple {2026#true} test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; {2026#true} is VALID [2022-02-21 04:17:19,992 INFO L290 TraceCheckUtils]: 7: Hoare triple {2026#true} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; {2026#true} is VALID [2022-02-21 04:17:19,992 INFO L290 TraceCheckUtils]: 8: Hoare triple {2026#true} assume !(0 != test_~tmp___1~1#1); {2026#true} is VALID [2022-02-21 04:17:19,992 INFO L290 TraceCheckUtils]: 9: Hoare triple {2026#true} assume { :begin_inline_timeShift } true; {2026#true} is VALID [2022-02-21 04:17:19,992 INFO L290 TraceCheckUtils]: 10: Hoare triple {2026#true} assume !(0 != ~pumpRunning~0); {2028#(= ~pumpRunning~0 0)} is VALID [2022-02-21 04:17:19,993 INFO L290 TraceCheckUtils]: 11: Hoare triple {2028#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; {2028#(= ~pumpRunning~0 0)} is VALID [2022-02-21 04:17:19,993 INFO L290 TraceCheckUtils]: 12: Hoare triple {2028#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret35#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; {2028#(= ~pumpRunning~0 0)} is VALID [2022-02-21 04:17:19,993 INFO L290 TraceCheckUtils]: 13: Hoare triple {2028#(= ~pumpRunning~0 0)} assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; {2027#false} is VALID [2022-02-21 04:17:19,994 INFO L290 TraceCheckUtils]: 14: Hoare triple {2027#false} assume { :end_inline_processEnvironment__wrappee__base } true; {2027#false} is VALID [2022-02-21 04:17:19,994 INFO L290 TraceCheckUtils]: 15: Hoare triple {2027#false} assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; {2027#false} is VALID [2022-02-21 04:17:19,994 INFO L290 TraceCheckUtils]: 16: Hoare triple {2027#false} assume { :end_inline_processEnvironment } true; {2027#false} is VALID [2022-02-21 04:17:19,994 INFO L290 TraceCheckUtils]: 17: Hoare triple {2027#false} assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; {2027#false} is VALID [2022-02-21 04:17:19,994 INFO L290 TraceCheckUtils]: 18: Hoare triple {2027#false} __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; {2027#false} is VALID [2022-02-21 04:17:19,995 INFO L290 TraceCheckUtils]: 19: Hoare triple {2027#false} assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; {2027#false} is VALID [2022-02-21 04:17:19,995 INFO L290 TraceCheckUtils]: 20: Hoare triple {2027#false} assume { :end_inline___utac_acc__Specification3_spec__1 } true; {2027#false} is VALID [2022-02-21 04:17:19,995 INFO L290 TraceCheckUtils]: 21: Hoare triple {2027#false} assume { :end_inline_timeShift } true; {2027#false} is VALID [2022-02-21 04:17:19,995 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 04:17:19,995 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:17:19,996 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463186585] [2022-02-21 04:17:19,996 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463186585] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:17:19,996 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:17:19,996 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-21 04:17:19,996 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592690310] [2022-02-21 04:17:19,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:17:19,997 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:17:19,997 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:17:19,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 04:17:19,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 04:17:19,998 INFO L87 Difference]: Start difference. First operand 218 states and 293 transitions. cyclomatic complexity: 78 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 04:17:20,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:20,270 INFO L93 Difference]: Finished difference Result 275 states and 354 transitions. [2022-02-21 04:17:20,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 04:17:20,270 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 04:17:20,285 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:17:20,286 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 275 states and 354 transitions. [2022-02-21 04:17:20,305 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 197 [2022-02-21 04:17:20,312 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 275 states to 275 states and 354 transitions. [2022-02-21 04:17:20,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 275 [2022-02-21 04:17:20,313 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 275 [2022-02-21 04:17:20,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 275 states and 354 transitions. [2022-02-21 04:17:20,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:17:20,314 INFO L681 BuchiCegarLoop]: Abstraction has 275 states and 354 transitions. [2022-02-21 04:17:20,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states and 354 transitions. [2022-02-21 04:17:20,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2022-02-21 04:17:20,335 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:17:20,336 INFO L82 GeneralOperation]: Start isEquivalent. First operand 275 states and 354 transitions. Second operand has 275 states, 275 states have (on average 1.2872727272727273) internal successors, (354), 274 states have internal predecessors, (354), 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 04:17:20,336 INFO L74 IsIncluded]: Start isIncluded. First operand 275 states and 354 transitions. Second operand has 275 states, 275 states have (on average 1.2872727272727273) internal successors, (354), 274 states have internal predecessors, (354), 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 04:17:20,337 INFO L87 Difference]: Start difference. First operand 275 states and 354 transitions. Second operand has 275 states, 275 states have (on average 1.2872727272727273) internal successors, (354), 274 states have internal predecessors, (354), 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 04:17:20,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:20,342 INFO L93 Difference]: Finished difference Result 275 states and 354 transitions. [2022-02-21 04:17:20,342 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 354 transitions. [2022-02-21 04:17:20,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:20,343 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:20,343 INFO L74 IsIncluded]: Start isIncluded. First operand has 275 states, 275 states have (on average 1.2872727272727273) internal successors, (354), 274 states have internal predecessors, (354), 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 275 states and 354 transitions. [2022-02-21 04:17:20,346 INFO L87 Difference]: Start difference. First operand has 275 states, 275 states have (on average 1.2872727272727273) internal successors, (354), 274 states have internal predecessors, (354), 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 275 states and 354 transitions. [2022-02-21 04:17:20,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:20,354 INFO L93 Difference]: Finished difference Result 275 states and 354 transitions. [2022-02-21 04:17:20,354 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 354 transitions. [2022-02-21 04:17:20,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:20,355 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:20,355 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:17:20,355 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:17:20,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 275 states have (on average 1.2872727272727273) internal successors, (354), 274 states have internal predecessors, (354), 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 04:17:20,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 354 transitions. [2022-02-21 04:17:20,376 INFO L704 BuchiCegarLoop]: Abstraction has 275 states and 354 transitions. [2022-02-21 04:17:20,376 INFO L587 BuchiCegarLoop]: Abstraction has 275 states and 354 transitions. [2022-02-21 04:17:20,377 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:17:20,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 275 states and 354 transitions. [2022-02-21 04:17:20,381 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 197 [2022-02-21 04:17:20,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:20,382 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:20,383 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:20,385 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:20,385 INFO L791 eck$LassoCheckResult]: Stem: 2483#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 2373#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~9#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 2374#L893 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2437#L886 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 2490#L901 main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 2371#L988 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 2372#L965 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2444#L800-2 [2022-02-21 04:17:20,386 INFO L793 eck$LassoCheckResult]: Loop: 2444#L800-2 assume !false; 2453#L801 assume test_~splverifierCounter~0#1 < 4; 2567#L802 test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 2577#L810 assume !(0 != test_~tmp~8#1); 2575#L810-2 test_~tmp___0~3#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 2574#L820 assume !(0 != test_~tmp___0~3#1); 2462#L820-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 2463#L830 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 2352#L838 assume !(0 != test_~tmp___1~1#1); 2353#L838-2 assume { :begin_inline_timeShift } true; 2447#L576 assume !(0 != ~pumpRunning~0); 2386#L576-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 2387#L634 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret35#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 2456#L608-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret46#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 2409#L177-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 2410#L182-1 isHighWaterLevel_#t~ret46#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret46#1;havoc isHighWaterLevel_#t~ret46#1; 2316#L736-3 assume !(0 != isHighWaterLevel_~tmp~6#1);isHighWaterLevel_~tmp___0~1#1 := 1; 2317#L736-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 2375#L742-1 processEnvironment__wrappee__highWaterSensor_#t~ret35#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret35#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret35#1; 2376#L612-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2474#L600-2 assume { :end_inline_processEnvironment__wrappee__base } true; 2355#L608-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2356#L634-1 assume { :end_inline_processEnvironment } true; 2412#L583-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 2569#L137 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 2313#L63 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 2314#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 2488#L593 assume { :end_inline_timeShift } true; 2444#L800-2 [2022-02-21 04:17:20,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:20,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-02-21 04:17:20,388 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:20,388 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539264691] [2022-02-21 04:17:20,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:20,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:20,412 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:20,438 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:20,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:20,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1587441101, now seen corresponding path program 1 times [2022-02-21 04:17:20,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:20,449 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736919298] [2022-02-21 04:17:20,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:20,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:17:20,474 INFO L290 TraceCheckUtils]: 0: Hoare triple {3134#true} assume !false; {3134#true} is VALID [2022-02-21 04:17:20,474 INFO L290 TraceCheckUtils]: 1: Hoare triple {3134#true} assume test_~splverifierCounter~0#1 < 4; {3134#true} is VALID [2022-02-21 04:17:20,475 INFO L290 TraceCheckUtils]: 2: Hoare triple {3134#true} test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; {3134#true} is VALID [2022-02-21 04:17:20,475 INFO L290 TraceCheckUtils]: 3: Hoare triple {3134#true} assume !(0 != test_~tmp~8#1); {3134#true} is VALID [2022-02-21 04:17:20,478 INFO L290 TraceCheckUtils]: 4: Hoare triple {3134#true} test_~tmp___0~3#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; {3134#true} is VALID [2022-02-21 04:17:20,479 INFO L290 TraceCheckUtils]: 5: Hoare triple {3134#true} assume !(0 != test_~tmp___0~3#1); {3134#true} is VALID [2022-02-21 04:17:20,479 INFO L290 TraceCheckUtils]: 6: Hoare triple {3134#true} test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; {3134#true} is VALID [2022-02-21 04:17:20,479 INFO L290 TraceCheckUtils]: 7: Hoare triple {3134#true} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; {3134#true} is VALID [2022-02-21 04:17:20,479 INFO L290 TraceCheckUtils]: 8: Hoare triple {3134#true} assume !(0 != test_~tmp___1~1#1); {3134#true} is VALID [2022-02-21 04:17:20,479 INFO L290 TraceCheckUtils]: 9: Hoare triple {3134#true} assume { :begin_inline_timeShift } true; {3134#true} is VALID [2022-02-21 04:17:20,479 INFO L290 TraceCheckUtils]: 10: Hoare triple {3134#true} assume !(0 != ~pumpRunning~0); {3134#true} is VALID [2022-02-21 04:17:20,480 INFO L290 TraceCheckUtils]: 11: Hoare triple {3134#true} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; {3134#true} is VALID [2022-02-21 04:17:20,480 INFO L290 TraceCheckUtils]: 12: Hoare triple {3134#true} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret35#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; {3134#true} is VALID [2022-02-21 04:17:20,480 INFO L290 TraceCheckUtils]: 13: Hoare triple {3134#true} assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret46#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; {3134#true} is VALID [2022-02-21 04:17:20,481 INFO L290 TraceCheckUtils]: 14: Hoare triple {3134#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; {3136#(= |ULTIMATE.start_isHighWaterSensorDry_#res#1| 1)} is VALID [2022-02-21 04:17:20,481 INFO L290 TraceCheckUtils]: 15: Hoare triple {3136#(= |ULTIMATE.start_isHighWaterSensorDry_#res#1| 1)} isHighWaterLevel_#t~ret46#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret46#1;havoc isHighWaterLevel_#t~ret46#1; {3137#(= |ULTIMATE.start_isHighWaterLevel_~tmp~6#1| 1)} is VALID [2022-02-21 04:17:20,482 INFO L290 TraceCheckUtils]: 16: Hoare triple {3137#(= |ULTIMATE.start_isHighWaterLevel_~tmp~6#1| 1)} assume !(0 != isHighWaterLevel_~tmp~6#1);isHighWaterLevel_~tmp___0~1#1 := 1; {3135#false} is VALID [2022-02-21 04:17:20,482 INFO L290 TraceCheckUtils]: 17: Hoare triple {3135#false} isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; {3135#false} is VALID [2022-02-21 04:17:20,482 INFO L290 TraceCheckUtils]: 18: Hoare triple {3135#false} processEnvironment__wrappee__highWaterSensor_#t~ret35#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret35#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret35#1; {3135#false} is VALID [2022-02-21 04:17:20,482 INFO L290 TraceCheckUtils]: 19: Hoare triple {3135#false} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; {3135#false} is VALID [2022-02-21 04:17:20,483 INFO L290 TraceCheckUtils]: 20: Hoare triple {3135#false} assume { :end_inline_processEnvironment__wrappee__base } true; {3135#false} is VALID [2022-02-21 04:17:20,483 INFO L290 TraceCheckUtils]: 21: Hoare triple {3135#false} assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; {3135#false} is VALID [2022-02-21 04:17:20,483 INFO L290 TraceCheckUtils]: 22: Hoare triple {3135#false} assume { :end_inline_processEnvironment } true; {3135#false} is VALID [2022-02-21 04:17:20,483 INFO L290 TraceCheckUtils]: 23: Hoare triple {3135#false} assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; {3135#false} is VALID [2022-02-21 04:17:20,484 INFO L290 TraceCheckUtils]: 24: Hoare triple {3135#false} __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; {3135#false} is VALID [2022-02-21 04:17:20,484 INFO L290 TraceCheckUtils]: 25: Hoare triple {3135#false} assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; {3135#false} is VALID [2022-02-21 04:17:20,484 INFO L290 TraceCheckUtils]: 26: Hoare triple {3135#false} assume { :end_inline___utac_acc__Specification3_spec__1 } true; {3135#false} is VALID [2022-02-21 04:17:20,484 INFO L290 TraceCheckUtils]: 27: Hoare triple {3135#false} assume { :end_inline_timeShift } true; {3135#false} is VALID [2022-02-21 04:17:20,484 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 04:17:20,485 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:17:20,485 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736919298] [2022-02-21 04:17:20,485 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736919298] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:17:20,486 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:17:20,486 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 04:17:20,486 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571227173] [2022-02-21 04:17:20,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:17:20,486 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:17:20,487 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:17:20,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-21 04:17:20,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-21 04:17:20,488 INFO L87 Difference]: Start difference. First operand 275 states and 354 transitions. cyclomatic complexity: 82 Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 04:17:21,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:21,043 INFO L93 Difference]: Finished difference Result 537 states and 683 transitions. [2022-02-21 04:17:21,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-21 04:17:21,043 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 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 04:17:21,072 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:17:21,073 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 537 states and 683 transitions. [2022-02-21 04:17:21,084 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 390 [2022-02-21 04:17:21,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 537 states to 537 states and 683 transitions. [2022-02-21 04:17:21,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 537 [2022-02-21 04:17:21,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 537 [2022-02-21 04:17:21,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 537 states and 683 transitions. [2022-02-21 04:17:21,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:17:21,117 INFO L681 BuchiCegarLoop]: Abstraction has 537 states and 683 transitions. [2022-02-21 04:17:21,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states and 683 transitions. [2022-02-21 04:17:21,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 287. [2022-02-21 04:17:21,125 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:17:21,126 INFO L82 GeneralOperation]: Start isEquivalent. First operand 537 states and 683 transitions. Second operand has 287 states, 287 states have (on average 1.2752613240418118) internal successors, (366), 286 states have internal predecessors, (366), 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 04:17:21,126 INFO L74 IsIncluded]: Start isIncluded. First operand 537 states and 683 transitions. Second operand has 287 states, 287 states have (on average 1.2752613240418118) internal successors, (366), 286 states have internal predecessors, (366), 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 04:17:21,127 INFO L87 Difference]: Start difference. First operand 537 states and 683 transitions. Second operand has 287 states, 287 states have (on average 1.2752613240418118) internal successors, (366), 286 states have internal predecessors, (366), 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 04:17:21,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:21,151 INFO L93 Difference]: Finished difference Result 537 states and 683 transitions. [2022-02-21 04:17:21,151 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 683 transitions. [2022-02-21 04:17:21,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:21,152 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:21,154 INFO L74 IsIncluded]: Start isIncluded. First operand has 287 states, 287 states have (on average 1.2752613240418118) internal successors, (366), 286 states have internal predecessors, (366), 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 537 states and 683 transitions. [2022-02-21 04:17:21,154 INFO L87 Difference]: Start difference. First operand has 287 states, 287 states have (on average 1.2752613240418118) internal successors, (366), 286 states have internal predecessors, (366), 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 537 states and 683 transitions. [2022-02-21 04:17:21,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:21,172 INFO L93 Difference]: Finished difference Result 537 states and 683 transitions. [2022-02-21 04:17:21,173 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 683 transitions. [2022-02-21 04:17:21,173 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:21,173 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:21,174 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:17:21,177 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:17:21,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 287 states have (on average 1.2752613240418118) internal successors, (366), 286 states have internal predecessors, (366), 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 04:17:21,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 366 transitions. [2022-02-21 04:17:21,199 INFO L704 BuchiCegarLoop]: Abstraction has 287 states and 366 transitions. [2022-02-21 04:17:21,200 INFO L587 BuchiCegarLoop]: Abstraction has 287 states and 366 transitions. [2022-02-21 04:17:21,200 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2022-02-21 04:17:21,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 287 states and 366 transitions. [2022-02-21 04:17:21,203 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 205 [2022-02-21 04:17:21,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:21,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:21,204 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:21,204 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:21,205 INFO L791 eck$LassoCheckResult]: Stem: 3850#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 3747#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~9#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 3748#L893 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3809#L886 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 3856#L901 main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 3745#L988 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 3746#L965 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3801#L800-2 [2022-02-21 04:17:21,205 INFO L793 eck$LassoCheckResult]: Loop: 3801#L800-2 assume !false; 3823#L801 assume test_~splverifierCounter~0#1 < 4; 3769#L802 test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 3770#L810 assume !(0 != test_~tmp~8#1); 3941#L810-2 test_~tmp___0~3#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 3939#L820 assume !(0 != test_~tmp___0~3#1); 3937#L820-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 3839#L830 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 3840#L785 assume { :end_inline_startSystem } true; 3727#L838-2 assume { :begin_inline_timeShift } true; 3816#L576 assume !(0 != ~pumpRunning~0); 3760#L576-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 3761#L634 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret35#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 3826#L608-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret46#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 3785#L177-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 3786#L182-1 isHighWaterLevel_#t~ret46#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret46#1;havoc isHighWaterLevel_#t~ret46#1; 3690#L736-3 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~1#1 := 0; 3691#L736-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 3749#L742-1 processEnvironment__wrappee__highWaterSensor_#t~ret35#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret35#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret35#1; 3750#L612-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 3844#L600-2 assume { :end_inline_processEnvironment__wrappee__base } true; 3729#L608-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 3730#L634-1 assume { :end_inline_processEnvironment } true; 3753#L583-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 3754#L137 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 3687#L63 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 3688#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 3800#L593 assume { :end_inline_timeShift } true; 3801#L800-2 [2022-02-21 04:17:21,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:21,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2022-02-21 04:17:21,206 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:21,206 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095145531] [2022-02-21 04:17:21,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:21,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:21,214 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:21,221 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:21,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:21,222 INFO L85 PathProgramCache]: Analyzing trace with hash -747226531, now seen corresponding path program 1 times [2022-02-21 04:17:21,222 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:21,222 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276118951] [2022-02-21 04:17:21,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:21,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:21,227 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:21,238 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:21,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:21,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1998208479, now seen corresponding path program 1 times [2022-02-21 04:17:21,239 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:21,239 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969341342] [2022-02-21 04:17:21,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:21,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:17:21,273 INFO L290 TraceCheckUtils]: 0: Hoare triple {5046#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,274 INFO L290 TraceCheckUtils]: 1: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~9#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,274 INFO L290 TraceCheckUtils]: 2: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,275 INFO L290 TraceCheckUtils]: 3: Hoare triple {5048#(= ~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~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,292 INFO L290 TraceCheckUtils]: 4: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,293 INFO L290 TraceCheckUtils]: 5: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,294 INFO L290 TraceCheckUtils]: 6: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,294 INFO L290 TraceCheckUtils]: 7: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume !false; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,294 INFO L290 TraceCheckUtils]: 8: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume test_~splverifierCounter~0#1 < 4; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,294 INFO L290 TraceCheckUtils]: 9: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,295 INFO L290 TraceCheckUtils]: 10: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume !(0 != test_~tmp~8#1); {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,295 INFO L290 TraceCheckUtils]: 11: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} test_~tmp___0~3#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,295 INFO L290 TraceCheckUtils]: 12: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume !(0 != test_~tmp___0~3#1); {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,296 INFO L290 TraceCheckUtils]: 13: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,296 INFO L290 TraceCheckUtils]: 14: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,296 INFO L290 TraceCheckUtils]: 15: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume { :end_inline_startSystem } true; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,297 INFO L290 TraceCheckUtils]: 16: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume { :begin_inline_timeShift } true; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,297 INFO L290 TraceCheckUtils]: 17: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume !(0 != ~pumpRunning~0); {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,298 INFO L290 TraceCheckUtils]: 18: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,298 INFO L290 TraceCheckUtils]: 19: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret35#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,299 INFO L290 TraceCheckUtils]: 20: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret46#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,299 INFO L290 TraceCheckUtils]: 21: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,299 INFO L290 TraceCheckUtils]: 22: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} isHighWaterLevel_#t~ret46#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret46#1;havoc isHighWaterLevel_#t~ret46#1; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,300 INFO L290 TraceCheckUtils]: 23: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~1#1 := 0; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,300 INFO L290 TraceCheckUtils]: 24: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,300 INFO L290 TraceCheckUtils]: 25: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} processEnvironment__wrappee__highWaterSensor_#t~ret35#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret35#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret35#1; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,301 INFO L290 TraceCheckUtils]: 26: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,301 INFO L290 TraceCheckUtils]: 27: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume { :end_inline_processEnvironment__wrappee__base } true; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,301 INFO L290 TraceCheckUtils]: 28: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,302 INFO L290 TraceCheckUtils]: 29: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume { :end_inline_processEnvironment } true; {5048#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:17:21,303 INFO L290 TraceCheckUtils]: 30: Hoare triple {5048#(= ~methaneLevelCritical~0 0)} assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; {5049#(= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0)} is VALID [2022-02-21 04:17:21,304 INFO L290 TraceCheckUtils]: 31: Hoare triple {5049#(= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0)} __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; {5050#(= |ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0#1| 0)} is VALID [2022-02-21 04:17:21,304 INFO L290 TraceCheckUtils]: 32: Hoare triple {5050#(= |ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~0#1| 0)} assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; {5047#false} is VALID [2022-02-21 04:17:21,305 INFO L290 TraceCheckUtils]: 33: Hoare triple {5047#false} assume { :end_inline___utac_acc__Specification3_spec__1 } true; {5047#false} is VALID [2022-02-21 04:17:21,306 INFO L290 TraceCheckUtils]: 34: Hoare triple {5047#false} assume { :end_inline_timeShift } true; {5047#false} is VALID [2022-02-21 04:17:21,319 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 04:17:21,320 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:17:21,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969341342] [2022-02-21 04:17:21,320 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969341342] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:17:21,320 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:17:21,320 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 04:17:21,320 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667743797] [2022-02-21 04:17:21,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:17:21,573 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:17:21,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:17:21,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:17:21,574 INFO L87 Difference]: Start difference. First operand 287 states and 366 transitions. cyclomatic complexity: 82 Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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 04:17:22,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:22,566 INFO L93 Difference]: Finished difference Result 1030 states and 1304 transitions. [2022-02-21 04:17:22,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-21 04:17:22,566 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 7.0) internal successors, (35), 4 states have internal predecessors, (35), 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 04:17:22,589 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:17:22,590 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1030 states and 1304 transitions. [2022-02-21 04:17:22,618 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 786 [2022-02-21 04:17:22,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1030 states to 1030 states and 1304 transitions. [2022-02-21 04:17:22,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1030 [2022-02-21 04:17:22,661 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1030 [2022-02-21 04:17:22,662 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1030 states and 1304 transitions. [2022-02-21 04:17:22,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:17:22,663 INFO L681 BuchiCegarLoop]: Abstraction has 1030 states and 1304 transitions. [2022-02-21 04:17:22,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states and 1304 transitions. [2022-02-21 04:17:22,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 567. [2022-02-21 04:17:22,671 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:17:22,672 INFO L82 GeneralOperation]: Start isEquivalent. First operand 1030 states and 1304 transitions. Second operand has 567 states, 567 states have (on average 1.2574955908289243) internal successors, (713), 566 states have internal predecessors, (713), 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 04:17:22,674 INFO L74 IsIncluded]: Start isIncluded. First operand 1030 states and 1304 transitions. Second operand has 567 states, 567 states have (on average 1.2574955908289243) internal successors, (713), 566 states have internal predecessors, (713), 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 04:17:22,675 INFO L87 Difference]: Start difference. First operand 1030 states and 1304 transitions. Second operand has 567 states, 567 states have (on average 1.2574955908289243) internal successors, (713), 566 states have internal predecessors, (713), 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 04:17:22,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:22,715 INFO L93 Difference]: Finished difference Result 1030 states and 1304 transitions. [2022-02-21 04:17:22,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1304 transitions. [2022-02-21 04:17:22,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:22,717 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:22,719 INFO L74 IsIncluded]: Start isIncluded. First operand has 567 states, 567 states have (on average 1.2574955908289243) internal successors, (713), 566 states have internal predecessors, (713), 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 1030 states and 1304 transitions. [2022-02-21 04:17:22,720 INFO L87 Difference]: Start difference. First operand has 567 states, 567 states have (on average 1.2574955908289243) internal successors, (713), 566 states have internal predecessors, (713), 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 1030 states and 1304 transitions. [2022-02-21 04:17:22,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:22,760 INFO L93 Difference]: Finished difference Result 1030 states and 1304 transitions. [2022-02-21 04:17:22,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1304 transitions. [2022-02-21 04:17:22,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:22,762 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:22,762 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:17:22,763 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:17:22,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 567 states have (on average 1.2574955908289243) internal successors, (713), 566 states have internal predecessors, (713), 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 04:17:22,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 713 transitions. [2022-02-21 04:17:22,780 INFO L704 BuchiCegarLoop]: Abstraction has 567 states and 713 transitions. [2022-02-21 04:17:22,780 INFO L587 BuchiCegarLoop]: Abstraction has 567 states and 713 transitions. [2022-02-21 04:17:22,780 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2022-02-21 04:17:22,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 567 states and 713 transitions. [2022-02-21 04:17:22,783 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 410 [2022-02-21 04:17:22,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:22,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:22,784 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:22,784 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:22,784 INFO L791 eck$LassoCheckResult]: Stem: 6283#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 6158#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~9#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 6159#L893 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 6231#L886 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 6288#L901 main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 6156#L988 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 6157#L965 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~3#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 6236#L800-2 [2022-02-21 04:17:22,785 INFO L793 eck$LassoCheckResult]: Loop: 6236#L800-2 assume !false; 6536#L801 assume test_~splverifierCounter~0#1 < 4; 6537#L802 test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 6633#L810 assume !(0 != test_~tmp~8#1); 6631#L810-2 test_~tmp___0~3#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 6630#L820 assume !(0 != test_~tmp___0~3#1); 6627#L820-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 6626#L830 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 6625#L838 assume !(0 != test_~tmp___1~1#1); 6624#L838-2 assume { :begin_inline_timeShift } true; 6623#L576 assume !(0 != ~pumpRunning~0); 6516#L576-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 6507#L634 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret35#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 6505#L608-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret46#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~6#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~6#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 6502#L177-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 6500#L182-1 isHighWaterLevel_#t~ret46#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~6#1 := isHighWaterLevel_#t~ret46#1;havoc isHighWaterLevel_#t~ret46#1; 6498#L736-3 assume 0 != isHighWaterLevel_~tmp~6#1;isHighWaterLevel_~tmp___0~1#1 := 0; 6494#L736-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 6492#L742-1 processEnvironment__wrappee__highWaterSensor_#t~ret35#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret35#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret35#1; 6488#L612-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 6489#L600-2 assume { :end_inline_processEnvironment__wrappee__base } true; 6581#L608-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 6578#L634-1 assume { :end_inline_processEnvironment } true; 6575#L583-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 6574#L137 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 6573#L63 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 6572#L169 __utac_acc__Specification3_spec__1_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 6569#L69 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 6568#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 6567#L593 assume { :end_inline_timeShift } true; 6236#L800-2 [2022-02-21 04:17:22,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:22,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 5 times [2022-02-21 04:17:22,786 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:22,786 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984790246] [2022-02-21 04:17:22,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:22,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:22,805 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:22,823 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:22,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:22,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1829879138, now seen corresponding path program 1 times [2022-02-21 04:17:22,825 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:22,827 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723525684] [2022-02-21 04:17:22,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:22,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:22,844 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:22,851 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:22,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:22,853 INFO L85 PathProgramCache]: Analyzing trace with hash -2067897306, now seen corresponding path program 1 times [2022-02-21 04:17:22,854 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:22,854 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592111659] [2022-02-21 04:17:22,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:22,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:22,870 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:22,886 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:25,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:17:25 BoogieIcfgContainer [2022-02-21 04:17:25,465 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:17:25,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:17:25,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:17:25,465 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:17:25,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:17" (3/4) ... [2022-02-21 04:17:25,468 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:17:25,514 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:17:25,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:17:25,516 INFO L158 Benchmark]: Toolchain (without parser) took 9016.28ms. Allocated memory was 92.3MB in the beginning and 174.1MB in the end (delta: 81.8MB). Free memory was 65.6MB in the beginning and 78.3MB in the end (delta: -12.7MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2022-02-21 04:17:25,518 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 75.5MB. Free memory was 44.6MB in the beginning and 44.5MB in the end (delta: 44.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:17:25,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 608.96ms. Allocated memory is still 92.3MB. Free memory was 65.5MB in the beginning and 43.4MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-02-21 04:17:25,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 119.64ms. Allocated memory is still 92.3MB. Free memory was 43.4MB in the beginning and 69.8MB in the end (delta: -26.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-02-21 04:17:25,521 INFO L158 Benchmark]: Boogie Preprocessor took 50.21ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 67.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:25,521 INFO L158 Benchmark]: RCFGBuilder took 653.68ms. Allocated memory is still 92.3MB. Free memory was 67.3MB in the beginning and 40.3MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-02-21 04:17:25,521 INFO L158 Benchmark]: BuchiAutomizer took 7527.58ms. Allocated memory was 92.3MB in the beginning and 174.1MB in the end (delta: 81.8MB). Free memory was 40.0MB in the beginning and 81.5MB in the end (delta: -41.4MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2022-02-21 04:17:25,522 INFO L158 Benchmark]: Witness Printer took 49.55ms. Allocated memory is still 174.1MB. Free memory was 80.4MB in the beginning and 78.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:25,523 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 0.18ms. Allocated memory is still 75.5MB. Free memory was 44.6MB in the beginning and 44.5MB in the end (delta: 44.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 608.96ms. Allocated memory is still 92.3MB. Free memory was 65.5MB in the beginning and 43.4MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 119.64ms. Allocated memory is still 92.3MB. Free memory was 43.4MB in the beginning and 69.8MB in the end (delta: -26.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.21ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 67.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 653.68ms. Allocated memory is still 92.3MB. Free memory was 67.3MB in the beginning and 40.3MB in the end (delta: 27.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 7527.58ms. Allocated memory was 92.3MB in the beginning and 174.1MB in the end (delta: 81.8MB). Free memory was 40.0MB in the beginning and 81.5MB in the end (delta: -41.4MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. * Witness Printer took 49.55ms. Allocated memory is still 174.1MB. Free memory was 80.4MB in the beginning and 78.3MB 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 4 terminating modules (4 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.4 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 567 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.4s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.2s. Büchi inclusion checks took 2.7s. Highest rank in rank-based complementation 0. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 1019 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 567 states and ocurred in iteration 4. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2392 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2392 mSDsluCounter, 4022 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2975 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 187 IncrementalHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 1047 mSDtfsCounter, 187 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 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: 800]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4aa1b023=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3db16ae5=0, NULL=0, tmp___0=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c295831=0, NULL=1, retValue_acc=1, methaneLevelCritical=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@170e321b=0, tmp___0=1, \result=0, tmp=0, retValue_acc=0, retValue_acc=0, \result=1, \result=1, tmp=1, tmp___1=0, tmp___2=0, tmp=1, cleanupTimeShifts=4, \result=0, tmp=0, head=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1131eaad=0, tmp___1=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@545f8db5=0, waterLevel=1, systemActive=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56dfd042=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fbcc67a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@553f1cef=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42a7185f=0, tmp___0=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ff01a31=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 800]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L366] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L569] int pumpRunning = 0; [L570] int systemActive = 1; [L906] int cleanupTimeShifts = 4; [L979] int retValue_acc ; [L980] int tmp ; [L984] FCALL select_helpers() [L985] FCALL select_features() [L986] CALL, EXPR valid_product() [L897] int retValue_acc ; [L900] retValue_acc = 1 [L901] return (retValue_acc); [L986] RET, EXPR valid_product() [L986] tmp = valid_product() [L988] COND TRUE \read(tmp) [L990] FCALL setup() [L991] CALL runTest() [L973] CALL test() [L791] int splverifierCounter ; [L792] int tmp ; [L793] int tmp___0 ; [L794] int tmp___1 ; [L795] int tmp___2 ; [L798] splverifierCounter = 0 Loop: [L800] COND TRUE 1 [L802] COND TRUE splverifierCounter < 4 [L808] tmp = __VERIFIER_nondet_int() [L810] COND FALSE !(\read(tmp)) [L818] tmp___0 = __VERIFIER_nondet_int() [L820] COND FALSE !(\read(tmp___0)) [L828] tmp___2 = __VERIFIER_nondet_int() [L830] COND FALSE !(\read(tmp___2)) [L836] tmp___1 = __VERIFIER_nondet_int() [L838] COND FALSE !(\read(tmp___1)) [L847] CALL timeShift() [L576] COND FALSE !(\read(pumpRunning)) [L583] COND TRUE \read(systemActive) [L585] CALL processEnvironment() [L631] int tmp ; [L634] COND FALSE !(\read(pumpRunning)) [L649] CALL processEnvironment__wrappee__highWaterSensor() [L605] int tmp ; [L608] COND TRUE ! pumpRunning [L610] CALL, EXPR isHighWaterLevel() [L728] int retValue_acc ; [L729] int tmp ; [L730] int tmp___0 ; [L734] CALL, EXPR isHighWaterSensorDry() [L174] int retValue_acc ; [L177] COND TRUE waterLevel < 2 [L178] retValue_acc = 1 [L179] return (retValue_acc); [L734] RET, EXPR isHighWaterSensorDry() [L734] tmp = isHighWaterSensorDry() [L736] COND TRUE \read(tmp) [L737] tmp___0 = 0 [L741] retValue_acc = tmp___0 [L742] return (retValue_acc); [L610] RET, EXPR isHighWaterLevel() [L610] tmp = isHighWaterLevel() [L612] COND FALSE !(\read(tmp)) [L618] FCALL processEnvironment__wrappee__base() [L649] RET processEnvironment__wrappee__highWaterSensor() [L585] RET processEnvironment() [L591] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L133] int retValue_acc ; [L136] retValue_acc = methaneLevelCritical [L137] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L165] int retValue_acc ; [L168] retValue_acc = waterLevel [L169] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L591] RET __utac_acc__Specification3_spec__1() [L847] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:17:25,559 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)