./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.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_9f2d9dc7-407b-4ffe-be1b-9961323d7154/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f2d9dc7-407b-4ffe-be1b-9961323d7154/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_9f2d9dc7-407b-4ffe-be1b-9961323d7154/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f2d9dc7-407b-4ffe-be1b-9961323d7154/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f2d9dc7-407b-4ffe-be1b-9961323d7154/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_9f2d9dc7-407b-4ffe-be1b-9961323d7154/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 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 ................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:10:52,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:10:52,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:10:52,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:10:52,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:10:52,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:10:52,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:10:52,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:10:52,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:10:52,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:10:52,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:10:52,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:10:52,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:10:52,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:10:52,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:10:52,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:10:52,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:10:52,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:10:52,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:10:52,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:10:52,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:10:52,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:10:52,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:10:52,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:10:52,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:10:52,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:10:52,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:10:52,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:10:52,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:10:52,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:10:52,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:10:52,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:10:52,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:10:52,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:10:52,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:10:52,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:10:52,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:10:52,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:10:52,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:10:52,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:10:52,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:10:52,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f2d9dc7-407b-4ffe-be1b-9961323d7154/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:10:52,757 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:10:52,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:10:52,763 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:10:52,763 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:10:52,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:10:52,765 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:10:52,765 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:10:52,766 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:10:52,766 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:10:52,766 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:10:52,768 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:10:52,768 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:10:52,768 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:10:52,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:10:52,769 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:10:52,769 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:10:52,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:10:52,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:10:52,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:10:52,770 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:10:52,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:10:52,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:10:52,771 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:10:52,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:10:52,772 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:10:52,772 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:10:52,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:10:52,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:10:52,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:10:52,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:10:52,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:10:52,776 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:10:52,778 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:10:52,779 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_9f2d9dc7-407b-4ffe-be1b-9961323d7154/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f2d9dc7-407b-4ffe-be1b-9961323d7154/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 [2021-10-28 09:10:53,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:10:53,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:10:53,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:10:53,135 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:10:53,136 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:10:53,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f2d9dc7-407b-4ffe-be1b-9961323d7154/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2021-10-28 09:10:53,232 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f2d9dc7-407b-4ffe-be1b-9961323d7154/bin/uautomizer-UnR33cPsHg/data/8a81a2775/9ef05646cd9c42709c2f09a40ffead34/FLAG784f8d61f [2021-10-28 09:10:53,894 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:10:53,895 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f2d9dc7-407b-4ffe-be1b-9961323d7154/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2021-10-28 09:10:53,915 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f2d9dc7-407b-4ffe-be1b-9961323d7154/bin/uautomizer-UnR33cPsHg/data/8a81a2775/9ef05646cd9c42709c2f09a40ffead34/FLAG784f8d61f [2021-10-28 09:10:54,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f2d9dc7-407b-4ffe-be1b-9961323d7154/bin/uautomizer-UnR33cPsHg/data/8a81a2775/9ef05646cd9c42709c2f09a40ffead34 [2021-10-28 09:10:54,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:10:54,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:10:54,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:10:54,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:10:54,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:10:54,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:10:54" (1/1) ... [2021-10-28 09:10:54,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25192597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:54, skipping insertion in model container [2021-10-28 09:10:54,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:10:54" (1/1) ... [2021-10-28 09:10:54,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:10:54,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:10:54,684 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_9f2d9dc7-407b-4ffe-be1b-9961323d7154/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c[17147,17160] [2021-10-28 09:10:54,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:10:54,696 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:10:54,826 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_9f2d9dc7-407b-4ffe-be1b-9961323d7154/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c[17147,17160] [2021-10-28 09:10:54,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:10:54,854 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:10:54,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:54 WrapperNode [2021-10-28 09:10:54,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:10:54,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:10:54,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:10:54,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:10:54,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:54" (1/1) ... [2021-10-28 09:10:54,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:54" (1/1) ... [2021-10-28 09:10:54,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:10:54,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:10:54,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:10:54,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:10:54,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:54" (1/1) ... [2021-10-28 09:10:54,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:54" (1/1) ... [2021-10-28 09:10:54,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:54" (1/1) ... [2021-10-28 09:10:54,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:54" (1/1) ... [2021-10-28 09:10:55,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:54" (1/1) ... [2021-10-28 09:10:55,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:54" (1/1) ... [2021-10-28 09:10:55,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:54" (1/1) ... [2021-10-28 09:10:55,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:10:55,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:10:55,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:10:55,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:10:55,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:54" (1/1) ... [2021-10-28 09:10:55,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:10:55,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f2d9dc7-407b-4ffe-be1b-9961323d7154/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:10:55,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f2d9dc7-407b-4ffe-be1b-9961323d7154/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:10:55,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f2d9dc7-407b-4ffe-be1b-9961323d7154/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:10:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:10:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:10:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:10:55,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:10:56,060 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:10:56,060 INFO L299 CfgBuilder]: Removed 80 assume(true) statements. [2021-10-28 09:10:56,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:10:56 BoogieIcfgContainer [2021-10-28 09:10:56,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:10:56,069 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:10:56,069 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:10:56,074 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:10:56,075 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:10:56,076 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:10:54" (1/3) ... [2021-10-28 09:10:56,077 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20aacc35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:10:56, skipping insertion in model container [2021-10-28 09:10:56,077 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:10:56,078 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:10:54" (2/3) ... [2021-10-28 09:10:56,078 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20aacc35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:10:56, skipping insertion in model container [2021-10-28 09:10:56,078 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:10:56,078 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:10:56" (3/3) ... [2021-10-28 09:10:56,080 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2021-10-28 09:10:56,144 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:10:56,145 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:10:56,145 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:10:56,145 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:10:56,145 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:10:56,146 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:10:56,146 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:10:56,146 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:10:56,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 09:10:56,192 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-28 09:10:56,192 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:56,193 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:56,202 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:56,202 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:56,202 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:10:56,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 09:10:56,209 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-28 09:10:56,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:56,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:56,211 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:56,211 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:56,218 INFO L791 eck$LassoCheckResult]: Stem: 48#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 38#L-1true havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 55#L262true 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; 15#L270true main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 17#L226true assume 0 != main_~tmp~0; 12#L197true ~switchedOnBeforeTS~0 := 0; 56#L649true havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 20#L670-1true [2021-10-28 09:10:56,219 INFO L793 eck$LassoCheckResult]: Loop: 20#L670-1true assume !false; 18#L703true assume test_~splverifierCounter~0 < 4; 53#L704true test_~tmp~5 := test_#t~nondet57;havoc test_#t~nondet57; 60#L712true assume !(0 != test_~tmp~5); 8#L712-1true test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; 57#L722true assume !(0 != test_~tmp___0~1); 36#L722-1true test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 27#L732true assume 0 != test_~tmp___2~0; 45#L738-2true havoc __utac_acc__Specification5_spec__2_#t~ret54;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 52#L828true __utac_acc__Specification5_spec__2_#t~ret54 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret54;havoc __utac_acc__Specification5_spec__2_#t~ret54; 29#L659true assume !(0 != ~pumpRunning~0); 44#L769true assume 0 != ~systemActive~0; 32#L776true havoc __utac_acc__Specification5_spec__3_#t~ret55, __utac_acc__Specification5_spec__3_#t~ret56, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 42#L131true __utac_acc__Specification5_spec__3_#t~ret55 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret55;havoc __utac_acc__Specification5_spec__3_#t~ret55; 46#L670true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4); 20#L670-1true [2021-10-28 09:10:56,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:56,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-28 09:10:56,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:56,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187319176] [2021-10-28 09:10:56,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:56,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:56,577 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:56,821 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:56,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:56,825 INFO L85 PathProgramCache]: Analyzing trace with hash 93307151, now seen corresponding path program 1 times [2021-10-28 09:10:56,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:56,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278066616] [2021-10-28 09:10:56,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:56,826 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:56,843 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:56,866 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:56,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:56,873 INFO L85 PathProgramCache]: Analyzing trace with hash 2027332361, now seen corresponding path program 1 times [2021-10-28 09:10:56,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:56,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402752075] [2021-10-28 09:10:56,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:56,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:10:57,024 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 09:10:57,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:10:57,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402752075] [2021-10-28 09:10:57,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402752075] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:10:57,026 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:10:57,027 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:10:57,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333812511] [2021-10-28 09:10:57,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:10:57,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:10:57,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:10:57,312 INFO L87 Difference]: Start difference. First operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:10:57,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:10:57,581 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2021-10-28 09:10:57,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:10:57,584 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2021-10-28 09:10:57,594 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-10-28 09:10:57,603 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2021-10-28 09:10:57,604 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2021-10-28 09:10:57,606 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2021-10-28 09:10:57,606 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2021-10-28 09:10:57,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:10:57,609 INFO L681 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2021-10-28 09:10:57,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2021-10-28 09:10:57,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2021-10-28 09:10:57,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 104 states have internal predecessors, (142), 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 09:10:57,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2021-10-28 09:10:57,661 INFO L704 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-10-28 09:10:57,661 INFO L587 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-10-28 09:10:57,661 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:10:57,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2021-10-28 09:10:57,665 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-10-28 09:10:57,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:10:57,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:10:57,666 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:57,666 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:10:57,667 INFO L791 eck$LassoCheckResult]: Stem: 309#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 301#L-1 havoc main_#res;havoc main_#t~ret17, main_~retValue_acc~2, main_~tmp~0;havoc main_~retValue_acc~2;havoc main_~tmp~0; 302#L262 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; 264#L270 main_#t~ret17 := valid_product_#res;main_~tmp~0 := main_#t~ret17;havoc main_#t~ret17; 265#L226 assume 0 != main_~tmp~0; 257#L197 ~switchedOnBeforeTS~0 := 0; 258#L649 havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 272#L670-1 [2021-10-28 09:10:57,667 INFO L793 eck$LassoCheckResult]: Loop: 272#L670-1 assume !false; 268#L703 assume test_~splverifierCounter~0 < 4; 269#L704 test_~tmp~5 := test_#t~nondet57;havoc test_#t~nondet57; 312#L712 assume !(0 != test_~tmp~5); 252#L712-1 test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; 253#L722 assume !(0 != test_~tmp___0~1); 245#L722-1 test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 285#L732 assume 0 != test_~tmp___2~0; 287#L738-2 havoc __utac_acc__Specification5_spec__2_#t~ret54;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 306#L828 __utac_acc__Specification5_spec__2_#t~ret54 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret54;havoc __utac_acc__Specification5_spec__2_#t~ret54; 311#L659 assume !(0 != ~pumpRunning~0); 339#L769 assume 0 != ~systemActive~0; 337#L776 havoc __utac_acc__Specification5_spec__3_#t~ret55, __utac_acc__Specification5_spec__3_#t~ret56, __utac_acc__Specification5_spec__3_~tmp~4, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~4;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 304#L131 __utac_acc__Specification5_spec__3_#t~ret55 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~4 := __utac_acc__Specification5_spec__3_#t~ret55;havoc __utac_acc__Specification5_spec__3_#t~ret55; 305#L670 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 307#L828-1 __utac_acc__Specification5_spec__3_#t~ret56 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret56;havoc __utac_acc__Specification5_spec__3_#t~ret56; 275#L674 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 272#L670-1 [2021-10-28 09:10:57,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:57,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-28 09:10:57,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:57,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542994056] [2021-10-28 09:10:57,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:57,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:57,729 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:57,854 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:57,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:57,855 INFO L85 PathProgramCache]: Analyzing trace with hash -526156086, now seen corresponding path program 1 times [2021-10-28 09:10:57,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:57,855 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028266092] [2021-10-28 09:10:57,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:57,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:57,871 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:57,886 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:10:57,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:10:57,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1648768444, now seen corresponding path program 1 times [2021-10-28 09:10:57,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:10:57,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687002451] [2021-10-28 09:10:57,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:10:57,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:10:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:57,989 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:10:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:10:58,129 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:12:02,149 WARN L207 SmtUtils]: Spent 1.06 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-28 09:13:12,546 WARN L207 SmtUtils]: Spent 34.56 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-28 09:13:12,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:13:12 BoogieIcfgContainer [2021-10-28 09:13:12,660 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:13:12,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:13:12,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:13:12,661 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:13:12,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:10:56" (3/4) ... [2021-10-28 09:13:12,665 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:13:12,718 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f2d9dc7-407b-4ffe-be1b-9961323d7154/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:13:12,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:13:12,720 INFO L168 Benchmark]: Toolchain (without parser) took 138517.89 ms. Allocated memory was 88.1 MB in the beginning and 167.8 MB in the end (delta: 79.7 MB). Free memory was 53.9 MB in the beginning and 89.7 MB in the end (delta: -35.7 MB). Peak memory consumption was 42.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:12,720 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory is still 42.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:13:12,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.07 ms. Allocated memory is still 88.1 MB. Free memory was 53.8 MB in the beginning and 56.5 MB in the end (delta: -2.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:12,722 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.59 ms. Allocated memory is still 88.1 MB. Free memory was 56.5 MB in the beginning and 53.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:12,722 INFO L168 Benchmark]: Boogie Preprocessor took 78.52 ms. Allocated memory is still 88.1 MB. Free memory was 53.8 MB in the beginning and 52.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:12,723 INFO L168 Benchmark]: RCFGBuilder took 1027.87 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 51.7 MB in the beginning and 80.5 MB in the end (delta: -28.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:12,724 INFO L168 Benchmark]: BuchiAutomizer took 136591.87 ms. Allocated memory was 123.7 MB in the beginning and 167.8 MB in the end (delta: 44.0 MB). Free memory was 80.5 MB in the beginning and 91.7 MB in the end (delta: -11.2 MB). Peak memory consumption was 90.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:13:12,724 INFO L168 Benchmark]: Witness Printer took 57.67 ms. Allocated memory is still 167.8 MB. Free memory was 91.7 MB in the beginning and 89.7 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:13:12,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory is still 42.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 652.07 ms. Allocated memory is still 88.1 MB. Free memory was 53.8 MB in the beginning and 56.5 MB in the end (delta: -2.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.59 ms. Allocated memory is still 88.1 MB. Free memory was 56.5 MB in the beginning and 53.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 78.52 ms. Allocated memory is still 88.1 MB. Free memory was 53.8 MB in the beginning and 52.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1027.87 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 51.7 MB in the beginning and 80.5 MB in the end (delta: -28.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 136591.87 ms. Allocated memory was 123.7 MB in the beginning and 167.8 MB in the end (delta: 44.0 MB). Free memory was 80.5 MB in the beginning and 91.7 MB in the end (delta: -11.2 MB). Peak memory consumption was 90.1 MB. Max. memory is 16.1 GB. * Witness Printer took 57.67 ms. Allocated memory is still 167.8 MB. Free memory was 91.7 MB in the beginning and 89.7 MB in the end (delta: 2.1 MB). There was no memory consumed. 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 5 locations. The remainder module has 105 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 136.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 136.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 105 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 126 SDtfs, 224 SDslu, 235 SDs, 0 SdLazy, 67 SolverSat, 19 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: 702]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=11704} State at position 1 is {NULL=0, NULL=0, NULL=11710, NULL=0, NULL=0, retValue_acc=0, NULL=11704, NULL=11729, NULL=0, NULL=11724, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@571c181f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37ced567=0, NULL=11732, NULL=11706, NULL=0, NULL=11707, methaneLevelCritical=0, NULL=11705, NULL=11713, NULL=0, NULL=0, tmp=0, NULL=11717, tmp=1, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=11708, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=11719, NULL=11721, NULL=11709, \result=0, NULL=0, systemActive=1, waterLevel=1, NULL=11716, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=11712, NULL=0, NULL=11731, NULL=0, NULL=11711, tmp___0=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, NULL=11725, \result=0, NULL=0, NULL=0, NULL=11722, retValue_acc=1, NULL=11720, NULL=0, NULL=0, NULL=11733, NULL=0, NULL=11718, tmp___2=56, NULL=0, tmp___0=0, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f1bedc5=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34e9c245=0, NULL=11727, NULL=11728, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@552f3028=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e3f77f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@394e80eb=0, head=0, NULL=0, NULL=0, NULL=11726, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@332a6525=0, NULL=11714, retValue_acc=0, NULL=0, NULL=11723, NULL=11730} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L136] int cleanupTimeShifts = 4; [L444] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L643] int switchedOnBeforeTS ; [L759] int pumpRunning = 0; [L760] int systemActive = 1; [L217] int retValue_acc ; [L218] int tmp ; [L266] int retValue_acc ; [L269] retValue_acc = 1 [L270] return (retValue_acc); [L224] tmp = valid_product() [L226] COND TRUE \read(tmp) [L648] switchedOnBeforeTS = 0 [L693] int splverifierCounter ; [L694] int tmp ; [L695] int tmp___0 ; [L696] int tmp___1 ; [L697] int tmp___2 ; [L700] splverifierCounter = 0 Loop: [L702] COND TRUE 1 [L704] COND TRUE splverifierCounter < 4 [L710] tmp = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp)) [L720] tmp___0 = __VERIFIER_nondet_int() [L722] COND FALSE !(\read(tmp___0)) [L730] tmp___2 = __VERIFIER_nondet_int() [L732] COND TRUE \read(tmp___2) [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L657] switchedOnBeforeTS = isPumpRunning() [L769] COND FALSE !(\read(pumpRunning)) [L776] COND TRUE \read(systemActive) [L663] int tmp ; [L664] int tmp___0 ; [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L668] tmp = getWaterLevel() [L670] COND TRUE tmp != 2 [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L672] tmp___0 = isPumpRunning() [L674] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:13:12,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f2d9dc7-407b-4ffe-be1b-9961323d7154/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...