./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU --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 b58343dfed6fef80fe78f9243bbae3e5c0d1ca5dda43ba2e6616ff59c3704ff6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:06:33,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:06:33,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:06:33,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:06:33,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:06:33,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:06:33,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:06:33,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:06:33,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:06:33,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:06:33,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:06:33,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:06:33,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:06:33,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:06:33,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:06:33,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:06:33,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:06:33,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:06:33,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:06:33,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:06:33,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:06:33,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:06:33,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:06:33,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:06:33,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:06:33,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:06:33,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:06:33,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:06:33,184 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:06:33,185 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:06:33,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:06:33,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:06:33,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:06:33,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:06:33,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:06:33,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:06:33,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:06:33,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:06:33,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:06:33,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:06:33,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:06:33,197 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-02 22:06:33,230 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:06:33,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:06:33,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:06:33,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:06:33,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:06:33,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:06:33,233 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:06:33,234 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 22:06:33,234 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 22:06:33,234 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 22:06:33,235 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 22:06:33,238 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 22:06:33,238 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 22:06:33,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:06:33,239 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:06:33,239 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:06:33,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:06:33,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:06:33,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:06:33,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 22:06:33,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 22:06:33,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 22:06:33,240 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:06:33,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:06:33,241 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 22:06:33,241 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:06:33,243 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 22:06:33,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:06:33,244 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:06:33,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:06:33,244 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:06:33,245 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:06:33,246 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 22:06:33,246 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b58343dfed6fef80fe78f9243bbae3e5c0d1ca5dda43ba2e6616ff59c3704ff6 [2021-11-02 22:06:33,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:06:33,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:06:33,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:06:33,549 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:06:33,551 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:06:33,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2021-11-02 22:06:33,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU/data/f2957251a/2d57b80027a647f89aac08f3361447b5/FLAG6b1cd4285 [2021-11-02 22:06:34,134 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:06:34,135 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2021-11-02 22:06:34,151 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU/data/f2957251a/2d57b80027a647f89aac08f3361447b5/FLAG6b1cd4285 [2021-11-02 22:06:34,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU/data/f2957251a/2d57b80027a647f89aac08f3361447b5 [2021-11-02 22:06:34,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:06:34,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:06:34,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:06:34,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:06:34,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:06:34,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:06:34" (1/1) ... [2021-11-02 22:06:34,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e23984b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:34, skipping insertion in model container [2021-11-02 22:06:34,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:06:34" (1/1) ... [2021-11-02 22:06:34,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:06:34,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:06:34,781 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c[7760,7773] [2021-11-02 22:06:34,887 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:06:34,901 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:06:34,951 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c[7760,7773] [2021-11-02 22:06:34,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:06:35,021 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:06:35,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35 WrapperNode [2021-11-02 22:06:35,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:06:35,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:06:35,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:06:35,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:06:35,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,057 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:06:35,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:06:35,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:06:35,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:06:35,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,143 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:06:35,144 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:06:35,144 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:06:35,144 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:06:35,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (1/1) ... [2021-11-02 22:06:35,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:06:35,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:06:35,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:06:35,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 22:06:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:06:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:06:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:06:35,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:06:36,035 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:06:36,035 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-11-02 22:06:36,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:06:36 BoogieIcfgContainer [2021-11-02 22:06:36,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:06:36,038 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 22:06:36,038 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 22:06:36,042 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 22:06:36,042 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:06:36,043 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 10:06:34" (1/3) ... [2021-11-02 22:06:36,044 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35ea9cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:06:36, skipping insertion in model container [2021-11-02 22:06:36,044 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:06:36,044 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:06:35" (2/3) ... [2021-11-02 22:06:36,045 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35ea9cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:06:36, skipping insertion in model container [2021-11-02 22:06:36,045 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:06:36,045 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:06:36" (3/3) ... [2021-11-02 22:06:36,046 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product05.cil.c [2021-11-02 22:06:36,091 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 22:06:36,091 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 22:06:36,091 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 22:06:36,091 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 22:06:36,092 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 22:06:36,092 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 22:06:36,092 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 22:06:36,092 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 22:06:36,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 70 states, 69 states have (on average 1.536231884057971) internal successors, (106), 69 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:06:36,131 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-11-02 22:06:36,131 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:06:36,132 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:06:36,139 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:06:36,139 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:06:36,139 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 22:06:36,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 70 states, 69 states have (on average 1.536231884057971) internal successors, (106), 69 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:06:36,145 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-11-02 22:06:36,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:06:36,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:06:36,146 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:06:36,146 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:06:36,152 INFO L791 eck$LassoCheckResult]: Stem: 58#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(77, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(101, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(116, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(104, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string38.base, #t~string38.offset, 1);call write~init~int(82, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(73, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(84, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 4 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(75, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 45#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 23#L422true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 21#L430true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 40#L142true assume 0 != main_~tmp~0; 52#L113true ~methAndRunningLastTime~0 := 0; 17#L165true havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 29#L176-1true [2021-11-02 22:06:36,152 INFO L793 eck$LassoCheckResult]: Loop: 29#L176-1true assume !false; 48#L209true assume test_~splverifierCounter~0 < 4; 13#L210true test_~tmp~2 := test_#t~nondet10;havoc test_#t~nondet10; 46#L218true assume !(0 != test_~tmp~2); 49#L218-1true test_~tmp___0~1 := test_#t~nondet11;havoc test_#t~nondet11; 25#L228true assume !(0 != test_~tmp___0~1); 60#L228-1true test_~tmp___2~0 := test_#t~nondet12;havoc test_#t~nondet12; 33#L238true assume 0 != test_~tmp___2~0; 41#L244-2true assume !(0 != ~pumpRunning~0); 27#L274true assume !(0 != ~systemActive~0); 20#L281true havoc __utac_acc__Specification2_spec__2_#t~ret8, __utac_acc__Specification2_spec__2_#t~ret9, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 72#L479-1true __utac_acc__Specification2_spec__2_#t~ret8 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret8;havoc __utac_acc__Specification2_spec__2_#t~ret8; 53#L176true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 29#L176-1true [2021-11-02 22:06:36,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:06:36,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-11-02 22:06:36,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:06:36,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977752459] [2021-11-02 22:06:36,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:06:36,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:06:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:06:36,536 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:06:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:06:36,724 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:06:36,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:06:36,727 INFO L85 PathProgramCache]: Analyzing trace with hash 2383754, now seen corresponding path program 1 times [2021-11-02 22:06:36,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:06:36,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108477226] [2021-11-02 22:06:36,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:06:36,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:06:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:06:36,742 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:06:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:06:36,760 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:06:36,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:06:36,762 INFO L85 PathProgramCache]: Analyzing trace with hash 835680260, now seen corresponding path program 1 times [2021-11-02 22:06:36,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:06:36,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006257680] [2021-11-02 22:06:36,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:06:36,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:06:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:06:36,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:06:36,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-02 22:06:36,950 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006257680] [2021-11-02 22:06:36,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006257680] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-02 22:06:36,951 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-02 22:06:36,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-02 22:06:36,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497803173] [2021-11-02 22:06:37,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-02 22:06:37,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-02 22:06:37,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-02 22:06:37,132 INFO L87 Difference]: Start difference. First operand has 70 states, 69 states have (on average 1.536231884057971) internal successors, (106), 69 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:06:37,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-02 22:06:37,354 INFO L93 Difference]: Finished difference Result 70 states and 95 transitions. [2021-11-02 22:06:37,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-02 22:06:37,356 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 95 transitions. [2021-11-02 22:06:37,360 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-11-02 22:06:37,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 63 states and 88 transitions. [2021-11-02 22:06:37,365 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2021-11-02 22:06:37,366 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2021-11-02 22:06:37,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 88 transitions. [2021-11-02 22:06:37,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:06:37,368 INFO L681 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2021-11-02 22:06:37,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 88 transitions. [2021-11-02 22:06:37,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-11-02 22:06:37,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 62 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:06:37,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 88 transitions. [2021-11-02 22:06:37,400 INFO L704 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2021-11-02 22:06:37,400 INFO L587 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2021-11-02 22:06:37,400 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-02 22:06:37,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 88 transitions. [2021-11-02 22:06:37,402 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-11-02 22:06:37,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:06:37,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:06:37,403 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:06:37,403 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-02 22:06:37,403 INFO L791 eck$LassoCheckResult]: Stem: 219#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(77, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(101, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(116, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(104, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string38.base, #t~string38.offset, 1);call write~init~int(82, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(73, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(84, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 4 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(75, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 212#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 188#L422 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 186#L430 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 187#L142 assume 0 != main_~tmp~0; 209#L113 ~methAndRunningLastTime~0 := 0; 181#L165 havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 159#L176-1 [2021-11-02 22:06:37,403 INFO L793 eck$LassoCheckResult]: Loop: 159#L176-1 assume !false; 199#L209 assume test_~splverifierCounter~0 < 4; 173#L210 test_~tmp~2 := test_#t~nondet10;havoc test_#t~nondet10; 174#L218 assume !(0 != test_~tmp~2); 166#L218-1 test_~tmp___0~1 := test_#t~nondet11;havoc test_#t~nondet11; 190#L228 assume !(0 != test_~tmp___0~1); 192#L228-1 test_~tmp___2~0 := test_#t~nondet12;havoc test_#t~nondet12; 204#L238 assume 0 != test_~tmp___2~0; 172#L244-2 assume !(0 != ~pumpRunning~0); 194#L274 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 195#L306 assume !(0 != ~pumpRunning~0); 168#L281 havoc __utac_acc__Specification2_spec__2_#t~ret8, __utac_acc__Specification2_spec__2_#t~ret9, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 185#L479-1 __utac_acc__Specification2_spec__2_#t~ret8 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret8;havoc __utac_acc__Specification2_spec__2_#t~ret8; 217#L176 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 159#L176-1 [2021-11-02 22:06:37,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:06:37,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-11-02 22:06:37,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:06:37,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733477925] [2021-11-02 22:06:37,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:06:37,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:06:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:06:37,450 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:06:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:06:37,510 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:06:37,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:06:37,511 INFO L85 PathProgramCache]: Analyzing trace with hash 53367905, now seen corresponding path program 1 times [2021-11-02 22:06:37,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:06:37,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858870520] [2021-11-02 22:06:37,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:06:37,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:06:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:06:37,517 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:06:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:06:37,524 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:06:37,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:06:37,525 INFO L85 PathProgramCache]: Analyzing trace with hash 115755815, now seen corresponding path program 1 times [2021-11-02 22:06:37,525 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:06:37,525 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019398285] [2021-11-02 22:06:37,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:06:37,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:06:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:06:37,593 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:06:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:06:37,650 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:07:37,157 WARN L207 SmtUtils]: Spent 59.40 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-11-02 22:08:35,763 WARN L207 SmtUtils]: Spent 28.98 s on a formula simplification that was a NOOP. DAG size: 435 [2021-11-02 22:08:35,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 10:08:35 BoogieIcfgContainer [2021-11-02 22:08:35,884 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-02 22:08:35,885 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:08:35,885 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:08:35,885 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:08:35,886 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:06:36" (3/4) ... [2021-11-02 22:08:35,888 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-02 22:08:35,943 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU/witness.graphml [2021-11-02 22:08:35,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:08:35,945 INFO L168 Benchmark]: Toolchain (without parser) took 121490.55 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 92.5 MB in the beginning and 88.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:08:35,946 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 127.9 MB. Free memory was 100.7 MB in the beginning and 100.6 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:08:35,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.94 ms. Allocated memory is still 127.9 MB. Free memory was 92.2 MB in the beginning and 96.0 MB in the end (delta: -3.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-02 22:08:35,947 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.26 ms. Allocated memory is still 127.9 MB. Free memory was 96.0 MB in the beginning and 93.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:08:35,948 INFO L168 Benchmark]: Boogie Preprocessor took 37.06 ms. Allocated memory is still 127.9 MB. Free memory was 92.6 MB in the beginning and 91.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:08:35,949 INFO L168 Benchmark]: RCFGBuilder took 893.23 ms. Allocated memory is still 127.9 MB. Free memory was 91.1 MB in the beginning and 53.4 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-11-02 22:08:35,950 INFO L168 Benchmark]: BuchiAutomizer took 119846.10 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 53.4 MB in the beginning and 90.7 MB in the end (delta: -37.3 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:08:35,950 INFO L168 Benchmark]: Witness Printer took 58.95 ms. Allocated memory is still 155.2 MB. Free memory was 90.7 MB in the beginning and 88.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:08:35,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 127.9 MB. Free memory was 100.7 MB in the beginning and 100.6 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 566.94 ms. Allocated memory is still 127.9 MB. Free memory was 92.2 MB in the beginning and 96.0 MB in the end (delta: -3.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.26 ms. Allocated memory is still 127.9 MB. Free memory was 96.0 MB in the beginning and 93.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.06 ms. Allocated memory is still 127.9 MB. Free memory was 92.6 MB in the beginning and 91.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 893.23 ms. Allocated memory is still 127.9 MB. Free memory was 91.1 MB in the beginning and 53.4 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 119846.10 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 53.4 MB in the beginning and 90.7 MB in the end (delta: -37.3 MB). Peak memory consumption was 53.1 MB. Max. memory is 16.1 GB. * Witness Printer took 58.95 ms. Allocated memory is still 155.2 MB. Free memory was 90.7 MB in the beginning and 88.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 119.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 119.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 63 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 90 SDtfs, 358 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 208]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7968} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=7968, NULL=0, NULL=21699, NULL=0, NULL=21706, NULL=21713, NULL=0, NULL=21714, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6607b365=0, NULL=21705, methaneLevelCritical=0, tmp=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b7b4248=0, tmp___1=0, NULL=21707, NULL=21696, NULL=0, NULL=0, NULL=21695, cleanupTimeShifts=4, NULL=21701, NULL=7971, NULL=21708, NULL=21693, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@470e15a6=0, NULL=21712, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22a93d5a=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, retValue_acc=0, NULL=7969, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=21709, NULL=21715, NULL=0, NULL=0, NULL=21717, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38abcb1a=0, NULL=0, NULL=0, tmp___0=0, retValue_acc=1, NULL=21703, NULL=0, NULL=0, NULL=21716, NULL=0, NULL=0, NULL=7970, tmp___2=51, NULL=0, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=21698, NULL=21711, NULL=21704, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14dd58bf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@479d0a7a=51, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66f65f16=0, tmp=0, head=0, NULL=21710, NULL=21694, NULL=0, tmp=0, NULL=21702, NULL=21697, NULL=21700} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L159] int methAndRunningLastTime ; [L267] int pumpRunning = 0; [L268] int systemActive = 1; [L436] int waterLevel = 1; [L437] int methaneLevelCritical = 0; [L694] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L133] int retValue_acc ; [L134] int tmp ; [L426] int retValue_acc ; [L429] retValue_acc = 1 [L430] return (retValue_acc); [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L164] methAndRunningLastTime = 0 [L199] int splverifierCounter ; [L200] int tmp ; [L201] int tmp___0 ; [L202] int tmp___1 ; [L203] int tmp___2 ; [L206] splverifierCounter = 0 Loop: [L208] COND TRUE 1 [L210] COND TRUE splverifierCounter < 4 [L216] tmp = __VERIFIER_nondet_int() [L218] COND FALSE !(\read(tmp)) [L226] tmp___0 = __VERIFIER_nondet_int() [L228] COND FALSE !(\read(tmp___0)) [L236] tmp___2 = __VERIFIER_nondet_int() [L238] COND TRUE \read(tmp___2) [L274] COND FALSE !(\read(pumpRunning)) [L281] COND TRUE \read(systemActive) [L303] int tmp ; [L306] COND FALSE !(\read(pumpRunning)) [L169] int tmp ; [L170] int tmp___0 ; [L475] int retValue_acc ; [L478] retValue_acc = methaneLevelCritical [L479] return (retValue_acc); [L174] tmp = isMethaneLevelCritical() [L176] COND FALSE !(\read(tmp)) [L192] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-02 22:08:36,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b898ee6-873f-4efa-8c8c-f0a71b301d15/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)