./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg --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 b6ed1bc0f587e235387623d030d0c0bc898e2b8960003dc87fc2eaa6eba20f64 .......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:07:00,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:07:00,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:07:00,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:07:00,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:07:00,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:07:00,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:07:00,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:07:00,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:07:00,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:07:00,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:07:00,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:07:00,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:07:00,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:07:00,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:07:00,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:07:00,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:07:00,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:07:00,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:07:00,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:07:00,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:07:00,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:07:00,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:07:00,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:07:00,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:07:00,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:07:00,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:07:00,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:07:00,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:07:00,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:07:00,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:07:00,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:07:00,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:07:00,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:07:00,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:07:00,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:07:00,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:07:00,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:07:00,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:07:00,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:07:00,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:07:00,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:07:00,648 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:07:00,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:07:00,649 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:07:00,649 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:07:00,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:07:00,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:07:00,650 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:07:00,651 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:07:00,651 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:07:00,651 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:07:00,652 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:07:00,652 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:07:00,652 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:07:00,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:07:00,653 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:07:00,653 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:07:00,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:07:00,654 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:07:00,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:07:00,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:07:00,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:07:00,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:07:00,654 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:07:00,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:07:00,655 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:07:00,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:07:00,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:07:00,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:07:00,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:07:00,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:07:00,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:07:00,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:07:00,658 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:07:00,658 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_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6ed1bc0f587e235387623d030d0c0bc898e2b8960003dc87fc2eaa6eba20f64 [2021-10-28 09:07:00,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:07:00,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:07:00,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:07:00,978 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:07:00,979 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:07:00,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2021-10-28 09:07:01,039 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg/data/e96c56c66/395917c926dd49cda04da302c71cca18/FLAGa976ccc79 [2021-10-28 09:07:01,518 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:07:01,519 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c [2021-10-28 09:07:01,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg/data/e96c56c66/395917c926dd49cda04da302c71cca18/FLAGa976ccc79 [2021-10-28 09:07:01,881 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg/data/e96c56c66/395917c926dd49cda04da302c71cca18 [2021-10-28 09:07:01,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:07:01,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:07:01,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:07:01,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:07:01,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:07:01,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:07:01" (1/1) ... [2021-10-28 09:07:01,894 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1704ef94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:01, skipping insertion in model container [2021-10-28 09:07:01,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:07:01" (1/1) ... [2021-10-28 09:07:01,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:07:01,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:07:02,175 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_ae270b53-c544-456e-b916-eb5167a49c91/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c[7805,7818] [2021-10-28 09:07:02,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:07:02,258 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:07:02,312 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_ae270b53-c544-456e-b916-eb5167a49c91/sv-benchmarks/c/product-lines/minepump_spec2_product25.cil.c[7805,7818] [2021-10-28 09:07:02,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:07:02,387 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:07:02,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:02 WrapperNode [2021-10-28 09:07:02,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:07:02,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:07:02,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:07:02,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:07:02,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:02" (1/1) ... [2021-10-28 09:07:02,415 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:02" (1/1) ... [2021-10-28 09:07:02,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:07:02,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:07:02,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:07:02,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:07:02,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:02" (1/1) ... [2021-10-28 09:07:02,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:02" (1/1) ... [2021-10-28 09:07:02,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:02" (1/1) ... [2021-10-28 09:07:02,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:02" (1/1) ... [2021-10-28 09:07:02,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:02" (1/1) ... [2021-10-28 09:07:02,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:02" (1/1) ... [2021-10-28 09:07:02,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:02" (1/1) ... [2021-10-28 09:07:02,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:07:02,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:07:02,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:07:02,544 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:07:02,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:02" (1/1) ... [2021-10-28 09:07:02,576 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:07:02,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:07:02,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:07:02,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:07:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:07:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:07:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:07:02,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:07:03,479 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:07:03,480 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-28 09:07:03,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:03 BoogieIcfgContainer [2021-10-28 09:07:03,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:07:03,483 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:07:03,483 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:07:03,486 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:07:03,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:07:03,487 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:07:01" (1/3) ... [2021-10-28 09:07:03,488 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11bc3220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:07:03, skipping insertion in model container [2021-10-28 09:07:03,488 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:07:03,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:07:02" (2/3) ... [2021-10-28 09:07:03,489 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11bc3220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:07:03, skipping insertion in model container [2021-10-28 09:07:03,489 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:07:03,489 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:03" (3/3) ... [2021-10-28 09:07:03,490 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2021-10-28 09:07:03,532 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:07:03,532 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:07:03,532 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:07:03,532 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:07:03,532 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:07:03,533 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:07:03,533 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:07:03,533 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:07:03,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.5333333333333334) internal successors, (115), 75 states have internal predecessors, (115), 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) [2021-10-28 09:07:03,571 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-10-28 09:07:03,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:03,572 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:03,579 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:03,579 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:03,579 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:07:03,580 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.5333333333333334) internal successors, (115), 75 states have internal predecessors, (115), 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) [2021-10-28 09:07:03,585 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-10-28 09:07:03,586 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:03,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:03,587 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:03,587 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:03,592 INFO L791 eck$LassoCheckResult]: Stem: 59#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~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 46#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; 34#L178true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 70#L186true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 37#L142true assume 0 != main_~tmp~0; 52#L113true ~methAndRunningLastTime~0 := 0; 58#L539true havoc test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 54#L550-1true [2021-10-28 09:07:03,592 INFO L793 eck$LassoCheckResult]: Loop: 54#L550-1true assume !false; 25#L202true assume test_~splverifierCounter~0 < 4; 32#L203true test_~tmp~1 := test_#t~nondet9;havoc test_#t~nondet9; 42#L211true assume !(0 != test_~tmp~1); 47#L211-1true test_~tmp___0~0 := test_#t~nondet10;havoc test_#t~nondet10; 21#L221true assume !(0 != test_~tmp___0~0); 65#L221-1true test_~tmp___2~0 := test_#t~nondet11;havoc test_#t~nondet11; 11#L231true assume 0 != test_~tmp___2~0; 48#L237-2true assume !(0 != ~pumpRunning~0); 39#L271true assume !(0 != ~systemActive~0); 74#L278true havoc __utac_acc__Specification2_spec__2_#t~ret43, __utac_acc__Specification2_spec__2_#t~ret44, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 71#L478true __utac_acc__Specification2_spec__2_#t~ret43 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret43;havoc __utac_acc__Specification2_spec__2_#t~ret43; 75#L550true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 54#L550-1true [2021-10-28 09:07:03,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:03,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-28 09:07:03,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:03,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608960107] [2021-10-28 09:07:03,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:03,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:03,839 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:03,991 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:03,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:03,994 INFO L85 PathProgramCache]: Analyzing trace with hash 2599242, now seen corresponding path program 1 times [2021-10-28 09:07:03,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:03,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793055446] [2021-10-28 09:07:04,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:04,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:04,039 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:04,049 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:04,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:04,065 INFO L85 PathProgramCache]: Analyzing trace with hash 835895748, now seen corresponding path program 1 times [2021-10-28 09:07:04,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:04,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652397786] [2021-10-28 09:07:04,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:04,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:07:04,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:07:04,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:07:04,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652397786] [2021-10-28 09:07:04,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652397786] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:07:04,276 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:07:04,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:07:04,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736524473] [2021-10-28 09:07:04,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:07:04,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:07:04,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:07:04,448 INFO L87 Difference]: Start difference. First operand has 76 states, 75 states have (on average 1.5333333333333334) internal successors, (115), 75 states have internal predecessors, (115), 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) [2021-10-28 09:07:04,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:07:04,641 INFO L93 Difference]: Finished difference Result 76 states and 104 transitions. [2021-10-28 09:07:04,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:07:04,643 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 104 transitions. [2021-10-28 09:07:04,652 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-10-28 09:07:04,659 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 69 states and 97 transitions. [2021-10-28 09:07:04,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2021-10-28 09:07:04,663 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2021-10-28 09:07:04,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 97 transitions. [2021-10-28 09:07:04,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:07:04,664 INFO L681 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-10-28 09:07:04,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 97 transitions. [2021-10-28 09:07:04,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-10-28 09:07:04,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.4057971014492754) internal successors, (97), 68 states have internal predecessors, (97), 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) [2021-10-28 09:07:04,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2021-10-28 09:07:04,688 INFO L704 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-10-28 09:07:04,688 INFO L587 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-10-28 09:07:04,688 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:07:04,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 97 transitions. [2021-10-28 09:07:04,690 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-10-28 09:07:04,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:07:04,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:07:04,691 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:04,691 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:07:04,691 INFO L791 eck$LassoCheckResult]: Stem: 231#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~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 225#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; 213#L178 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 214#L186 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 217#L142 assume 0 != main_~tmp~0; 218#L113 ~methAndRunningLastTime~0 := 0; 228#L539 havoc test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 230#L550-1 [2021-10-28 09:07:04,692 INFO L793 eck$LassoCheckResult]: Loop: 230#L550-1 assume !false; 203#L202 assume test_~splverifierCounter~0 < 4; 204#L203 test_~tmp~1 := test_#t~nondet9;havoc test_#t~nondet9; 212#L211 assume !(0 != test_~tmp~1); 223#L211-1 test_~tmp___0~0 := test_#t~nondet10;havoc test_#t~nondet10; 198#L221 assume !(0 != test_~tmp___0~0); 200#L221-1 test_~tmp___2~0 := test_#t~nondet11;havoc test_#t~nondet11; 181#L231 assume 0 != test_~tmp___2~0; 183#L237-2 assume !(0 != ~pumpRunning~0); 207#L271 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 219#L303 assume !(0 != ~pumpRunning~0); 180#L278 havoc __utac_acc__Specification2_spec__2_#t~ret43, __utac_acc__Specification2_spec__2_#t~ret44, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 234#L478 __utac_acc__Specification2_spec__2_#t~ret43 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret43;havoc __utac_acc__Specification2_spec__2_#t~ret43; 235#L550 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 230#L550-1 [2021-10-28 09:07:04,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:04,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-28 09:07:04,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:04,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508539480] [2021-10-28 09:07:04,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:04,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:04,739 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:04,798 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:04,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:04,799 INFO L85 PathProgramCache]: Analyzing trace with hash 53583393, now seen corresponding path program 1 times [2021-10-28 09:07:04,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:04,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513094816] [2021-10-28 09:07:04,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:04,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:04,804 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:04,824 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:07:04,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:07:04,828 INFO L85 PathProgramCache]: Analyzing trace with hash 115971303, now seen corresponding path program 1 times [2021-10-28 09:07:04,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:07:04,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045975610] [2021-10-28 09:07:04,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:07:04,829 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:07:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:04,894 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:07:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:07:04,965 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:08:01,168 WARN L207 SmtUtils]: Spent 56.07 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-28 09:08:57,516 WARN L207 SmtUtils]: Spent 27.89 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-28 09:08:57,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:08:57 BoogieIcfgContainer [2021-10-28 09:08:57,644 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:08:57,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:08:57,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:08:57,645 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:08:57,650 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:07:03" (3/4) ... [2021-10-28 09:08:57,653 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:08:57,708 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:08:57,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:08:57,709 INFO L168 Benchmark]: Toolchain (without parser) took 115823.23 ms. Allocated memory was 109.1 MB in the beginning and 167.8 MB in the end (delta: 58.7 MB). Free memory was 75.8 MB in the beginning and 133.4 MB in the end (delta: -57.6 MB). Peak memory consumption was 90.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:57,710 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 109.1 MB. Free memory was 62.0 MB in the beginning and 61.9 MB in the end (delta: 54.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:08:57,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.87 ms. Allocated memory is still 109.1 MB. Free memory was 75.5 MB in the beginning and 75.3 MB in the end (delta: 205.9 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:57,711 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.26 ms. Allocated memory is still 109.1 MB. Free memory was 75.3 MB in the beginning and 72.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:57,712 INFO L168 Benchmark]: Boogie Preprocessor took 63.81 ms. Allocated memory is still 109.1 MB. Free memory was 72.6 MB in the beginning and 70.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:57,713 INFO L168 Benchmark]: RCFGBuilder took 937.54 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 70.1 MB in the beginning and 94.1 MB in the end (delta: -24.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:57,714 INFO L168 Benchmark]: BuchiAutomizer took 114161.64 ms. Allocated memory was 138.4 MB in the beginning and 167.8 MB in the end (delta: 29.4 MB). Free memory was 94.1 MB in the beginning and 43.9 MB in the end (delta: 50.2 MB). Peak memory consumption was 85.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:57,715 INFO L168 Benchmark]: Witness Printer took 63.37 ms. Allocated memory is still 167.8 MB. Free memory was 43.9 MB in the beginning and 133.4 MB in the end (delta: -89.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:08:57,719 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 109.1 MB. Free memory was 62.0 MB in the beginning and 61.9 MB in the end (delta: 54.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 498.87 ms. Allocated memory is still 109.1 MB. Free memory was 75.5 MB in the beginning and 75.3 MB in the end (delta: 205.9 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 90.26 ms. Allocated memory is still 109.1 MB. Free memory was 75.3 MB in the beginning and 72.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.81 ms. Allocated memory is still 109.1 MB. Free memory was 72.6 MB in the beginning and 70.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 937.54 ms. Allocated memory was 109.1 MB in the beginning and 138.4 MB in the end (delta: 29.4 MB). Free memory was 70.1 MB in the beginning and 94.1 MB in the end (delta: -24.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 114161.64 ms. Allocated memory was 138.4 MB in the beginning and 167.8 MB in the end (delta: 29.4 MB). Free memory was 94.1 MB in the beginning and 43.9 MB in the end (delta: 50.2 MB). Peak memory consumption was 85.8 MB. Max. memory is 16.1 GB. * Witness Printer took 63.37 ms. Allocated memory is still 167.8 MB. Free memory was 43.9 MB in the beginning and 133.4 MB in the end (delta: -89.5 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 69 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 114.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 113.7s. 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 69 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 99 SDtfs, 304 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: 201]: 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 {NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55496d1b=0, retValue_acc=0, NULL=1, NULL=0, NULL=30784, NULL=30789, NULL=0, NULL=30794, NULL=30793, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37ba6373=0, NULL=30787, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79a965f6=0, NULL=0, NULL=0, NULL=0, NULL=30792, NULL=0, tmp___1=0, NULL=30798, NULL=30785, NULL=0, NULL=0, NULL=30790, cleanupTimeShifts=4, NULL=30799, tmp=0, NULL=30797, NULL=30791, NULL=30779, NULL=30777, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6d2c230b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69a88c49=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, retValue_acc=0, tmp___0=0, NULL=30774, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=30786, NULL=30780, NULL=0, NULL=0, NULL=30781, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e5659a5=0, NULL=0, NULL=0, NULL=30788, NULL=0, NULL=0, NULL=30795, NULL=0, NULL=0, NULL=30775, NULL=0, retValue_acc=1, tmp___2=63, NULL=0, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=30782, NULL=30778, NULL=30783, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ead8b37=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42b8ca17=63, head=0, NULL=30776, NULL=30772, NULL=0, NULL=30773, tmp=0, NULL=30796} - 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; [L263] int pumpRunning = 0; [L264] int systemActive = 1; [L435] int waterLevel = 1; [L436] int methaneLevelCritical = 0; [L533] int methAndRunningLastTime ; [L741] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L133] int retValue_acc ; [L134] int tmp ; [L182] int retValue_acc ; [L185] retValue_acc = 1 [L186] return (retValue_acc); [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L538] methAndRunningLastTime = 0 [L192] int splverifierCounter ; [L193] int tmp ; [L194] int tmp___0 ; [L195] int tmp___1 ; [L196] int tmp___2 ; [L199] splverifierCounter = 0 Loop: [L201] COND TRUE 1 [L203] COND TRUE splverifierCounter < 4 [L209] tmp = __VERIFIER_nondet_int() [L211] COND FALSE !(\read(tmp)) [L219] tmp___0 = __VERIFIER_nondet_int() [L221] COND FALSE !(\read(tmp___0)) [L229] tmp___2 = __VERIFIER_nondet_int() [L231] COND TRUE \read(tmp___2) [L271] COND FALSE !(\read(pumpRunning)) [L278] COND TRUE \read(systemActive) [L300] int tmp ; [L303] COND FALSE !(\read(pumpRunning)) [L543] int tmp ; [L544] int tmp___0 ; [L474] int retValue_acc ; [L477] retValue_acc = methaneLevelCritical [L478] return (retValue_acc); [L548] tmp = isMethaneLevelCritical() [L550] COND FALSE !(\read(tmp)) [L566] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:08:57,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae270b53-c544-456e-b916-eb5167a49c91/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...