./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8 --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 f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:32:22,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:32:22,730 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:32:22,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:32:22,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:32:22,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:32:22,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:32:22,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:32:22,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:32:22,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:32:22,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:32:22,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:32:22,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:32:22,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:32:22,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:32:22,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:32:22,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:32:22,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:32:22,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:32:22,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:32:22,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:32:22,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:32:22,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:32:22,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:32:22,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:32:22,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:32:22,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:32:22,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:32:22,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:32:22,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:32:22,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:32:22,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:32:22,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:32:22,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:32:22,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:32:22,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:32:22,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:32:22,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:32:22,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:32:22,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:32:22,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:32:22,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:32:22,863 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:32:22,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:32:22,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:32:22,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:32:22,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:32:22,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:32:22,866 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:32:22,866 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:32:22,867 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:32:22,867 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:32:22,868 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:32:22,868 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:32:22,868 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:32:22,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:32:22,869 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:32:22,869 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:32:22,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:32:22,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:32:22,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:32:22,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:32:22,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:32:22,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:32:22,870 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:32:22,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:32:22,872 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:32:22,872 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:32:22,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:32:22,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:32:22,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:32:22,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:32:22,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:32:22,875 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:32:22,875 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_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f807df90a44b5a362b78d711bb9d82091c60659923cb4423e7d2e565ee7e12b3 [2022-11-16 12:32:23,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:32:23,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:32:23,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:32:23,226 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:32:23,231 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:32:23,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2022-11-16 12:32:23,309 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8/data/a1c0f8e4c/8354cca560af4b9fb9ee72c661cdf256/FLAG3afa5f07d [2022-11-16 12:32:23,821 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:32:23,822 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c [2022-11-16 12:32:23,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8/data/a1c0f8e4c/8354cca560af4b9fb9ee72c661cdf256/FLAG3afa5f07d [2022-11-16 12:32:24,167 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8/data/a1c0f8e4c/8354cca560af4b9fb9ee72c661cdf256 [2022-11-16 12:32:24,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:32:24,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:32:24,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:32:24,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:32:24,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:32:24,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:32:24" (1/1) ... [2022-11-16 12:32:24,182 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36cc1ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:24, skipping insertion in model container [2022-11-16 12:32:24,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:32:24" (1/1) ... [2022-11-16 12:32:24,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:32:24,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:32:24,593 WARN L229 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_ae2c1ae6-25d9-40ec-bfff-deacc9729291/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c[14361,14374] [2022-11-16 12:32:24,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:32:24,623 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:32:24,721 WARN L229 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_ae2c1ae6-25d9-40ec-bfff-deacc9729291/sv-benchmarks/c/product-lines/minepump_spec1_product30.cil.c[14361,14374] [2022-11-16 12:32:24,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:32:24,769 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:32:24,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:24 WrapperNode [2022-11-16 12:32:24,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:32:24,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:32:24,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:32:24,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:32:24,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:24" (1/1) ... [2022-11-16 12:32:24,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:24" (1/1) ... [2022-11-16 12:32:24,857 INFO L138 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 53, calls inlined = 78, statements flattened = 560 [2022-11-16 12:32:24,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:32:24,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:32:24,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:32:24,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:32:24,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:24" (1/1) ... [2022-11-16 12:32:24,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:24" (1/1) ... [2022-11-16 12:32:24,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:24" (1/1) ... [2022-11-16 12:32:24,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:24" (1/1) ... [2022-11-16 12:32:24,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:24" (1/1) ... [2022-11-16 12:32:24,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:24" (1/1) ... [2022-11-16 12:32:24,898 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:24" (1/1) ... [2022-11-16 12:32:24,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:24" (1/1) ... [2022-11-16 12:32:24,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:32:24,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:32:24,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:32:24,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:32:24,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:24" (1/1) ... [2022-11-16 12:32:24,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:32:24,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:32:24,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:32:24,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:32:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:32:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:32:24,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:32:24,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:32:25,060 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:32:25,062 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:32:25,610 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:32:25,619 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:32:25,619 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:32:25,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:32:25 BoogieIcfgContainer [2022-11-16 12:32:25,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:32:25,622 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:32:25,623 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:32:25,627 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:32:25,628 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:32:25,628 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:32:24" (1/3) ... [2022-11-16 12:32:25,629 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58ed41c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:32:25, skipping insertion in model container [2022-11-16 12:32:25,629 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:32:25,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:32:24" (2/3) ... [2022-11-16 12:32:25,630 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58ed41c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:32:25, skipping insertion in model container [2022-11-16 12:32:25,630 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:32:25,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:32:25" (3/3) ... [2022-11-16 12:32:25,631 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product30.cil.c [2022-11-16 12:32:25,693 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:32:25,693 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:32:25,693 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:32:25,693 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:32:25,693 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:32:25,694 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:32:25,694 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:32:25,694 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:32:25,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:32:25,724 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2022-11-16 12:32:25,724 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:32:25,724 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:32:25,730 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:32:25,731 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:32:25,731 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:32:25,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:32:25,740 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2022-11-16 12:32:25,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:32:25,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:32:25,747 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:32:25,748 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:32:25,754 INFO L748 eck$LassoCheckResult]: Stem: 136#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 36#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 9#L542true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 97#L535true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 150#L550true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 63#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 122#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 116#L902-2true [2022-11-16 12:32:25,755 INFO L750 eck$LassoCheckResult]: Loop: 116#L902-2true assume !false; 110#L903true assume test_~splverifierCounter~0#1 < 4; 19#L904true test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 130#L912true assume !(0 != test_~tmp~9#1); 82#L912-2true test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 139#L922true assume !(0 != test_~tmp___0~2#1); 71#L922-2true test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 94#L932true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 99#L940true assume 0 != test_~tmp___1~0#1; 37#L940-2true assume { :begin_inline_timeShift } true; 53#L670true assume !(0 != ~pumpRunning~0); 7#L670-2true assume !(0 != ~systemActive~0); 151#L677-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~8#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 104#L603-1true __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 90#L874true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8#1); 140#L874-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 60#L687true assume { :end_inline_timeShift } true; 116#L902-2true [2022-11-16 12:32:25,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:32:25,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-16 12:32:25,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:32:25,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665404082] [2022-11-16 12:32:25,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:32:25,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:32:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:25,880 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:32:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:25,930 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:32:25,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:32:25,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1422593666, now seen corresponding path program 1 times [2022-11-16 12:32:25,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:32:25,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518172441] [2022-11-16 12:32:25,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:32:25,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:32:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:25,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:32:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:25,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:32:25,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:32:25,987 INFO L85 PathProgramCache]: Analyzing trace with hash 490912062, now seen corresponding path program 1 times [2022-11-16 12:32:25,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:32:25,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876643793] [2022-11-16 12:32:25,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:32:25,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:32:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:32:26,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:32:26,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:32:26,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876643793] [2022-11-16 12:32:26,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876643793] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:32:26,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:32:26,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:32:26,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176250720] [2022-11-16 12:32:26,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:32:26,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:32:26,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:32:26,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:32:26,636 INFO L87 Difference]: Start difference. First operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:32:26,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:32:26,739 INFO L93 Difference]: Finished difference Result 148 states and 188 transitions. [2022-11-16 12:32:26,740 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 188 transitions. [2022-11-16 12:32:26,748 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2022-11-16 12:32:26,754 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 138 states and 178 transitions. [2022-11-16 12:32:26,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 138 [2022-11-16 12:32:26,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 138 [2022-11-16 12:32:26,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 138 states and 178 transitions. [2022-11-16 12:32:26,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:32:26,759 INFO L218 hiAutomatonCegarLoop]: Abstraction has 138 states and 178 transitions. [2022-11-16 12:32:26,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states and 178 transitions. [2022-11-16 12:32:26,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2022-11-16 12:32:26,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.289855072463768) internal successors, (178), 137 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:32:26,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 178 transitions. [2022-11-16 12:32:26,791 INFO L240 hiAutomatonCegarLoop]: Abstraction has 138 states and 178 transitions. [2022-11-16 12:32:26,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:32:26,796 INFO L428 stractBuchiCegarLoop]: Abstraction has 138 states and 178 transitions. [2022-11-16 12:32:26,797 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:32:26,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 178 transitions. [2022-11-16 12:32:26,799 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2022-11-16 12:32:26,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:32:26,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:32:26,800 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:32:26,800 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:32:26,801 INFO L748 eck$LassoCheckResult]: Stem: 451#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 378#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 331#L542 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 332#L535 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 439#L550 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 412#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 413#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 411#L902-2 [2022-11-16 12:32:26,801 INFO L750 eck$LassoCheckResult]: Loop: 411#L902-2 assume !false; 445#L903 assume test_~splverifierCounter~0#1 < 4; 351#L904 test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 352#L912 assume !(0 != test_~tmp~9#1); 427#L912-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 428#L922 assume !(0 != test_~tmp___0~2#1); 421#L922-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 422#L932 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 433#L862 assume { :end_inline_startSystem } true; 379#L940-2 assume { :begin_inline_timeShift } true; 380#L670 assume !(0 != ~pumpRunning~0); 326#L670-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 327#L728 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret34#1, processEnvironment__wrappee__methaneQuery_~tmp~4#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~4#1; 419#L702-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 341#L694-3 assume { :end_inline_processEnvironment__wrappee__base } true; 342#L702-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 334#L728-1 assume { :end_inline_processEnvironment } true; 404#L677-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~8#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~8#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 444#L603-1 __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~8#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; 434#L874 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~8#1); 398#L874-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 410#L687 assume { :end_inline_timeShift } true; 411#L902-2 [2022-11-16 12:32:26,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:32:26,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-16 12:32:26,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:32:26,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361525914] [2022-11-16 12:32:26,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:32:26,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:32:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:26,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:32:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:26,830 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:32:26,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:32:26,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1056591901, now seen corresponding path program 1 times [2022-11-16 12:32:26,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:32:26,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187364458] [2022-11-16 12:32:26,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:32:26,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:32:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:26,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:32:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:26,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:32:26,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:32:26,846 INFO L85 PathProgramCache]: Analyzing trace with hash 60250791, now seen corresponding path program 1 times [2022-11-16 12:32:26,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:32:26,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044295309] [2022-11-16 12:32:26,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:32:26,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:32:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:26,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:32:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:26,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:32:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:30,683 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:32:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:32:30,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:32:30 BoogieIcfgContainer [2022-11-16 12:32:30,739 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:32:30,739 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:32:30,739 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:32:30,739 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:32:30,740 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:32:25" (3/4) ... [2022-11-16 12:32:30,743 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 12:32:30,798 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:32:30,798 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:32:30,802 INFO L158 Benchmark]: Toolchain (without parser) took 6629.68ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 93.7MB in the beginning and 115.2MB in the end (delta: -21.5MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2022-11-16 12:32:30,802 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory was 102.6MB in the beginning and 102.6MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:32:30,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 593.73ms. Allocated memory is still 132.1MB. Free memory was 93.4MB in the beginning and 98.0MB in the end (delta: -4.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:32:30,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.26ms. Allocated memory is still 132.1MB. Free memory was 98.0MB in the beginning and 94.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:32:30,804 INFO L158 Benchmark]: Boogie Preprocessor took 52.29ms. Allocated memory is still 132.1MB. Free memory was 94.6MB in the beginning and 91.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:32:30,804 INFO L158 Benchmark]: RCFGBuilder took 705.12ms. Allocated memory is still 132.1MB. Free memory was 91.7MB in the beginning and 67.8MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-16 12:32:30,804 INFO L158 Benchmark]: BuchiAutomizer took 5116.25ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 67.8MB in the beginning and 118.4MB in the end (delta: -50.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:32:30,805 INFO L158 Benchmark]: Witness Printer took 62.01ms. Allocated memory is still 178.3MB. Free memory was 118.4MB in the beginning and 115.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:32:30,807 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 132.1MB. Free memory was 102.6MB in the beginning and 102.6MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 593.73ms. Allocated memory is still 132.1MB. Free memory was 93.4MB in the beginning and 98.0MB in the end (delta: -4.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.26ms. Allocated memory is still 132.1MB. Free memory was 98.0MB in the beginning and 94.6MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.29ms. Allocated memory is still 132.1MB. Free memory was 94.6MB in the beginning and 91.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 705.12ms. Allocated memory is still 132.1MB. Free memory was 91.7MB in the beginning and 67.8MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 5116.25ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 67.8MB in the beginning and 118.4MB in the end (delta: -50.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.01ms. Allocated memory is still 178.3MB. Free memory was 118.4MB in the beginning and 115.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.7s. Construction of modules took 0.0s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 551 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 551 mSDsluCounter, 187 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 183 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 902]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L561] int methaneLevelCritical = 0; [L662] int pumpRunning = 0; [L560] int waterLevel = 1; [L663] int systemActive = 1; [L50] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L893] int splverifierCounter ; [L894] int tmp ; [L895] int tmp___0 ; [L896] int tmp___1 ; [L897] int tmp___2 ; [L900] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L902] COND TRUE 1 [L904] COND TRUE splverifierCounter < 4 [L910] tmp = __VERIFIER_nondet_int() [L912] COND FALSE !(\read(tmp)) [L920] tmp___0 = __VERIFIER_nondet_int() [L922] COND FALSE !(\read(tmp___0)) [L930] tmp___2 = __VERIFIER_nondet_int() [L932] COND TRUE \read(tmp___2) [L934] CALL startSystem() [L861] systemActive = 1 [L934] RET startSystem() [L947] CALL timeShift() [L670] COND FALSE !(\read(pumpRunning)) [L677] COND TRUE \read(systemActive) [L679] CALL processEnvironment() [L725] int tmp ; [L728] COND FALSE !(\read(pumpRunning)) [L743] CALL processEnvironment__wrappee__methaneQuery() [L699] int tmp ; [L702] COND FALSE !(\read(pumpRunning)) [L717] FCALL processEnvironment__wrappee__base() [L743] RET processEnvironment__wrappee__methaneQuery() [L679] RET processEnvironment() [L685] CALL __utac_acc__Specification1_spec__1() [L867] int tmp ; [L868] int tmp___0 ; [L872] CALL, EXPR isMethaneLevelCritical() [L599] int retValue_acc ; [L602] retValue_acc = methaneLevelCritical [L603] return (retValue_acc); [L872] RET, EXPR isMethaneLevelCritical() [L872] tmp = isMethaneLevelCritical() [L874] COND FALSE !(\read(tmp)) [L685] RET __utac_acc__Specification1_spec__1() [L947] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 902]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L323] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L561] int methaneLevelCritical = 0; [L662] int pumpRunning = 0; [L560] int waterLevel = 1; [L663] int systemActive = 1; [L50] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L893] int splverifierCounter ; [L894] int tmp ; [L895] int tmp___0 ; [L896] int tmp___1 ; [L897] int tmp___2 ; [L900] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L902] COND TRUE 1 [L904] COND TRUE splverifierCounter < 4 [L910] tmp = __VERIFIER_nondet_int() [L912] COND FALSE !(\read(tmp)) [L920] tmp___0 = __VERIFIER_nondet_int() [L922] COND FALSE !(\read(tmp___0)) [L930] tmp___2 = __VERIFIER_nondet_int() [L932] COND TRUE \read(tmp___2) [L934] CALL startSystem() [L861] systemActive = 1 [L934] RET startSystem() [L947] CALL timeShift() [L670] COND FALSE !(\read(pumpRunning)) [L677] COND TRUE \read(systemActive) [L679] CALL processEnvironment() [L725] int tmp ; [L728] COND FALSE !(\read(pumpRunning)) [L743] CALL processEnvironment__wrappee__methaneQuery() [L699] int tmp ; [L702] COND FALSE !(\read(pumpRunning)) [L717] FCALL processEnvironment__wrappee__base() [L743] RET processEnvironment__wrappee__methaneQuery() [L679] RET processEnvironment() [L685] CALL __utac_acc__Specification1_spec__1() [L867] int tmp ; [L868] int tmp___0 ; [L872] CALL, EXPR isMethaneLevelCritical() [L599] int retValue_acc ; [L602] retValue_acc = methaneLevelCritical [L603] return (retValue_acc); [L872] RET, EXPR isMethaneLevelCritical() [L872] tmp = isMethaneLevelCritical() [L874] COND FALSE !(\read(tmp)) [L685] RET __utac_acc__Specification1_spec__1() [L947] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 12:32:30,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae2c1ae6-25d9-40ec-bfff-deacc9729291/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)