./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.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_e19b8fbd-8116-49d1-af49-57e72f730caa/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19b8fbd-8116-49d1-af49-57e72f730caa/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_e19b8fbd-8116-49d1-af49-57e72f730caa/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19b8fbd-8116-49d1-af49-57e72f730caa/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19b8fbd-8116-49d1-af49-57e72f730caa/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_e19b8fbd-8116-49d1-af49-57e72f730caa/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 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 --- 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 12:50:38,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:50:38,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:50:38,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:50:38,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:50:38,922 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:50:38,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:50:38,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:50:38,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:50:38,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:50:38,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:50:38,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:50:38,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:50:38,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:50:38,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:50:38,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:50:38,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:50:38,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:50:38,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:50:38,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:50:38,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:50:38,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:50:38,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:50:38,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:50:38,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:50:38,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:50:38,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:50:38,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:50:38,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:50:38,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:50:38,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:50:38,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:50:38,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:50:38,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:50:38,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:50:38,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:50:38,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:50:38,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:50:38,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:50:38,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:50:38,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:50:38,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19b8fbd-8116-49d1-af49-57e72f730caa/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:50:39,005 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:50:39,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:50:39,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:50:39,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:50:39,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:50:39,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:50:39,008 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:50:39,009 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:50:39,009 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:50:39,009 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:50:39,010 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:50:39,010 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:50:39,011 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:50:39,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:50:39,011 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:50:39,011 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:50:39,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:50:39,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:50:39,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:50:39,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:50:39,012 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:50:39,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:50:39,013 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:50:39,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:50:39,013 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:50:39,013 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:50:39,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:50:39,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:50:39,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:50:39,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:50:39,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:50:39,016 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:50:39,016 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_e19b8fbd-8116-49d1-af49-57e72f730caa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19b8fbd-8116-49d1-af49-57e72f730caa/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f744cc9100fe4c41c9cd8fddc1d55538ad14922708f8374e740fa1a934b47f6 [2022-11-16 12:50:39,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:50:39,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:50:39,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:50:39,325 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:50:39,326 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:50:39,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19b8fbd-8116-49d1-af49-57e72f730caa/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2022-11-16 12:50:39,402 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19b8fbd-8116-49d1-af49-57e72f730caa/bin/uautomizer-tPACEb0tL8/data/8987f5278/447ed0cc80134f97bd156f8f39714415/FLAG8c575b079 [2022-11-16 12:50:39,909 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:50:39,909 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19b8fbd-8116-49d1-af49-57e72f730caa/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c [2022-11-16 12:50:39,930 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19b8fbd-8116-49d1-af49-57e72f730caa/bin/uautomizer-tPACEb0tL8/data/8987f5278/447ed0cc80134f97bd156f8f39714415/FLAG8c575b079 [2022-11-16 12:50:40,206 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19b8fbd-8116-49d1-af49-57e72f730caa/bin/uautomizer-tPACEb0tL8/data/8987f5278/447ed0cc80134f97bd156f8f39714415 [2022-11-16 12:50:40,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:50:40,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:50:40,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:50:40,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:50:40,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:50:40,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:50:40" (1/1) ... [2022-11-16 12:50:40,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c08188b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:40, skipping insertion in model container [2022-11-16 12:50:40,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:50:40" (1/1) ... [2022-11-16 12:50:40,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:50:40,282 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:50:40,605 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_e19b8fbd-8116-49d1-af49-57e72f730caa/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[6038,6051] [2022-11-16 12:50:40,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:50:40,739 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:50:40,769 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_e19b8fbd-8116-49d1-af49-57e72f730caa/sv-benchmarks/c/product-lines/minepump_spec1_product11.cil.c[6038,6051] [2022-11-16 12:50:40,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:50:40,821 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:50:40,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:40 WrapperNode [2022-11-16 12:50:40,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:50:40,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:50:40,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:50:40,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:50:40,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:40" (1/1) ... [2022-11-16 12:50:40,847 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:40" (1/1) ... [2022-11-16 12:50:40,879 INFO L138 Inliner]: procedures = 51, calls = 148, calls flagged for inlining = 45, calls inlined = 34, statements flattened = 285 [2022-11-16 12:50:40,879 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:50:40,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:50:40,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:50:40,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:50:40,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:40" (1/1) ... [2022-11-16 12:50:40,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:40" (1/1) ... [2022-11-16 12:50:40,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:40" (1/1) ... [2022-11-16 12:50:40,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:40" (1/1) ... [2022-11-16 12:50:40,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:40" (1/1) ... [2022-11-16 12:50:40,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:40" (1/1) ... [2022-11-16 12:50:40,906 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:40" (1/1) ... [2022-11-16 12:50:40,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:40" (1/1) ... [2022-11-16 12:50:40,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:50:40,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:50:40,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:50:40,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:50:40,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:40" (1/1) ... [2022-11-16 12:50:40,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:50:40,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19b8fbd-8116-49d1-af49-57e72f730caa/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:50:40,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19b8fbd-8116-49d1-af49-57e72f730caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:50:40,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19b8fbd-8116-49d1-af49-57e72f730caa/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:50:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:50:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:50:40,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:50:40,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:50:41,081 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:50:41,083 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:50:41,435 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:50:41,442 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:50:41,442 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:50:41,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:41 BoogieIcfgContainer [2022-11-16 12:50:41,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:50:41,446 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:50:41,446 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:50:41,451 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:50:41,452 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:50:41,453 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:50:40" (1/3) ... [2022-11-16 12:50:41,454 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2aaaa0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:50:41, skipping insertion in model container [2022-11-16 12:50:41,454 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:50:41,454 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:40" (2/3) ... [2022-11-16 12:50:41,455 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2aaaa0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:50:41, skipping insertion in model container [2022-11-16 12:50:41,455 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:50:41,455 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:41" (3/3) ... [2022-11-16 12:50:41,457 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product11.cil.c [2022-11-16 12:50:41,555 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:50:41,556 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:50:41,556 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:50:41,556 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:50:41,557 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:50:41,557 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:50:41,557 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:50:41,557 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:50:41,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 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 12:50:41,589 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-11-16 12:50:41,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:50:41,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:50:41,597 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:41,597 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:41,598 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:50:41,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 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 12:50:41,606 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-11-16 12:50:41,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:50:41,606 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:50:41,607 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:41,607 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:41,614 INFO L748 eck$LassoCheckResult]: Stem: 59#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 44#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; 49#L176true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 71#L169true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 18#L184true 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; 66#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 50#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 77#L347-2true [2022-11-16 12:50:41,614 INFO L750 eck$LassoCheckResult]: Loop: 77#L347-2true assume !false; 51#L348true assume test_~splverifierCounter~0#1 < 4; 22#L349true test_~tmp~2#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 67#L357true assume !(0 != test_~tmp~2#1); 43#L357-2true test_~tmp___0~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 14#L367true assume !(0 != test_~tmp___0~0#1); 31#L367-2true test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 75#L377true assume 0 != test_~tmp___2~0#1; 27#L383-2true assume { :begin_inline_timeShift } true; 46#L204true assume !(0 != ~pumpRunning~0); 36#L204-2true assume !(0 != ~systemActive~0); 47#L211-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_#t~ret26#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 20#L457true __utac_acc__Specification1_spec__1_#t~ret25#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret25#1;havoc __utac_acc__Specification1_spec__1_#t~ret25#1; 45#L502true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 54#L502-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 21#L221true assume { :end_inline_timeShift } true; 77#L347-2true [2022-11-16 12:50:41,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:41,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-16 12:50:41,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:41,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332870015] [2022-11-16 12:50:41,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:41,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:41,802 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:50:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:41,862 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:50:41,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:41,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1802262020, now seen corresponding path program 1 times [2022-11-16 12:50:41,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:41,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033945422] [2022-11-16 12:50:41,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:41,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:41,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:50:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:41,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:50:41,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:41,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1137286200, now seen corresponding path program 1 times [2022-11-16 12:50:41,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:41,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592056227] [2022-11-16 12:50:41,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:41,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:42,321 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 12:50:42,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:50:42,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592056227] [2022-11-16 12:50:42,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592056227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:50:42,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:50:42,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:50:42,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428410219] [2022-11-16 12:50:42,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:50:42,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:50:42,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:50:42,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:50:42,502 INFO L87 Difference]: Start difference. First operand has 79 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 78 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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 12:50:42,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:50:42,666 INFO L93 Difference]: Finished difference Result 209 states and 263 transitions. [2022-11-16 12:50:42,668 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 209 states and 263 transitions. [2022-11-16 12:50:42,674 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 131 [2022-11-16 12:50:42,681 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 209 states to 179 states and 233 transitions. [2022-11-16 12:50:42,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 179 [2022-11-16 12:50:42,683 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 179 [2022-11-16 12:50:42,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 179 states and 233 transitions. [2022-11-16 12:50:42,685 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:50:42,685 INFO L218 hiAutomatonCegarLoop]: Abstraction has 179 states and 233 transitions. [2022-11-16 12:50:42,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states and 233 transitions. [2022-11-16 12:50:42,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 118. [2022-11-16 12:50:42,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 118 states have (on average 1.305084745762712) internal successors, (154), 117 states have internal predecessors, (154), 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 12:50:42,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 154 transitions. [2022-11-16 12:50:42,725 INFO L240 hiAutomatonCegarLoop]: Abstraction has 118 states and 154 transitions. [2022-11-16 12:50:42,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:50:42,731 INFO L428 stractBuchiCegarLoop]: Abstraction has 118 states and 154 transitions. [2022-11-16 12:50:42,731 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:50:42,731 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 154 transitions. [2022-11-16 12:50:42,733 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2022-11-16 12:50:42,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:50:42,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:50:42,734 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:42,735 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 12:50:42,735 INFO L748 eck$LassoCheckResult]: Stem: 367#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 356#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; 357#L176 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 360#L169 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 327#L184 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; 328#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 361#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 333#L347-2 [2022-11-16 12:50:42,735 INFO L750 eck$LassoCheckResult]: Loop: 333#L347-2 assume !false; 362#L348 assume test_~splverifierCounter~0#1 < 4; 334#L349 test_~tmp~2#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 335#L357 assume !(0 != test_~tmp~2#1); 353#L357-2 test_~tmp___0~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 320#L367 assume !(0 != test_~tmp___0~0#1); 322#L367-2 test_~tmp___2~0#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 346#L377 assume 0 != test_~tmp___2~0#1; 340#L383-2 assume { :begin_inline_timeShift } true; 341#L204 assume !(0 != ~pumpRunning~0); 311#L204-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 336#L228 assume { :end_inline_processEnvironment } true; 337#L211-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_#t~ret26#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 330#L457 __utac_acc__Specification1_spec__1_#t~ret25#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret25#1;havoc __utac_acc__Specification1_spec__1_#t~ret25#1; 331#L502 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1); 358#L502-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 332#L221 assume { :end_inline_timeShift } true; 333#L347-2 [2022-11-16 12:50:42,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:42,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-16 12:50:42,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:42,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767486517] [2022-11-16 12:50:42,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:42,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:42,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:50:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:42,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:50:42,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:42,764 INFO L85 PathProgramCache]: Analyzing trace with hash 663627436, now seen corresponding path program 1 times [2022-11-16 12:50:42,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:42,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210867190] [2022-11-16 12:50:42,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:42,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:42,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:50:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:42,776 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:50:42,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:42,777 INFO L85 PathProgramCache]: Analyzing trace with hash -268054168, now seen corresponding path program 1 times [2022-11-16 12:50:42,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:42,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780391717] [2022-11-16 12:50:42,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:42,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:42,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:50:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:42,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:50:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:46,986 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:50:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:47,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:50:47 BoogieIcfgContainer [2022-11-16 12:50:47,088 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:50:47,089 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:50:47,089 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:50:47,090 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:50:47,090 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:41" (3/4) ... [2022-11-16 12:50:47,093 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 12:50:47,161 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19b8fbd-8116-49d1-af49-57e72f730caa/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:50:47,161 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:50:47,163 INFO L158 Benchmark]: Toolchain (without parser) took 6949.68ms. Allocated memory was 121.6MB in the beginning and 205.5MB in the end (delta: 83.9MB). Free memory was 84.7MB in the beginning and 117.4MB in the end (delta: -32.7MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2022-11-16 12:50:47,163 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:50:47,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.63ms. Allocated memory is still 121.6MB. Free memory was 84.5MB in the beginning and 89.9MB in the end (delta: -5.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 12:50:47,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.47ms. Allocated memory is still 121.6MB. Free memory was 89.9MB in the beginning and 87.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:50:47,165 INFO L158 Benchmark]: Boogie Preprocessor took 30.04ms. Allocated memory is still 121.6MB. Free memory was 87.3MB in the beginning and 85.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:50:47,166 INFO L158 Benchmark]: RCFGBuilder took 534.29ms. Allocated memory is still 121.6MB. Free memory was 85.2MB in the beginning and 68.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 12:50:47,167 INFO L158 Benchmark]: BuchiAutomizer took 5642.45ms. Allocated memory was 121.6MB in the beginning and 205.5MB in the end (delta: 83.9MB). Free memory was 68.2MB in the beginning and 120.6MB in the end (delta: -52.3MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2022-11-16 12:50:47,168 INFO L158 Benchmark]: Witness Printer took 72.55ms. Allocated memory is still 205.5MB. Free memory was 120.6MB in the beginning and 117.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:50:47,172 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 121.6MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.63ms. Allocated memory is still 121.6MB. Free memory was 84.5MB in the beginning and 89.9MB in the end (delta: -5.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.47ms. Allocated memory is still 121.6MB. Free memory was 89.9MB in the beginning and 87.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.04ms. Allocated memory is still 121.6MB. Free memory was 87.3MB in the beginning and 85.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 534.29ms. Allocated memory is still 121.6MB. Free memory was 85.2MB in the beginning and 68.2MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 5642.45ms. Allocated memory was 121.6MB in the beginning and 205.5MB in the end (delta: 83.9MB). Free memory was 68.2MB in the beginning and 120.6MB in the end (delta: -52.3MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * Witness Printer took 72.55ms. Allocated memory is still 205.5MB. Free memory was 120.6MB in the beginning and 117.4MB 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 118 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 61 StatesRemovedByMinimization, 1 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, 334 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 334 mSDsluCounter, 654 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 563 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 91 mSDtfsCounter, 42 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: 347]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L689] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L415] int methaneLevelCritical = 0; [L196] int pumpRunning = 0; [L414] int waterLevel = 1; [L197] 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() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] 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() [L338] int splverifierCounter ; [L339] int tmp ; [L340] int tmp___0 ; [L341] int tmp___1 ; [L342] int tmp___2 ; [L345] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L347] COND TRUE 1 [L349] COND TRUE splverifierCounter < 4 [L355] tmp = __VERIFIER_nondet_int() [L357] COND FALSE !(\read(tmp)) [L365] tmp___0 = __VERIFIER_nondet_int() [L367] COND FALSE !(\read(tmp___0)) [L375] tmp___2 = __VERIFIER_nondet_int() [L377] COND TRUE \read(tmp___2) [L392] CALL timeShift() [L204] COND FALSE !(\read(pumpRunning)) [L211] COND TRUE \read(systemActive) [L213] FCALL processEnvironment() [L219] CALL __utac_acc__Specification1_spec__1() [L495] int tmp ; [L496] int tmp___0 ; [L500] CALL, EXPR isMethaneLevelCritical() [L453] int retValue_acc ; [L456] retValue_acc = methaneLevelCritical [L457] return (retValue_acc); [L500] RET, EXPR isMethaneLevelCritical() [L500] tmp = isMethaneLevelCritical() [L502] COND FALSE !(\read(tmp)) [L219] RET __utac_acc__Specification1_spec__1() [L392] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 347]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L689] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L415] int methaneLevelCritical = 0; [L196] int pumpRunning = 0; [L414] int waterLevel = 1; [L197] 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() [L180] int retValue_acc ; [L183] retValue_acc = 1 [L184] 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() [L338] int splverifierCounter ; [L339] int tmp ; [L340] int tmp___0 ; [L341] int tmp___1 ; [L342] int tmp___2 ; [L345] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L347] COND TRUE 1 [L349] COND TRUE splverifierCounter < 4 [L355] tmp = __VERIFIER_nondet_int() [L357] COND FALSE !(\read(tmp)) [L365] tmp___0 = __VERIFIER_nondet_int() [L367] COND FALSE !(\read(tmp___0)) [L375] tmp___2 = __VERIFIER_nondet_int() [L377] COND TRUE \read(tmp___2) [L392] CALL timeShift() [L204] COND FALSE !(\read(pumpRunning)) [L211] COND TRUE \read(systemActive) [L213] FCALL processEnvironment() [L219] CALL __utac_acc__Specification1_spec__1() [L495] int tmp ; [L496] int tmp___0 ; [L500] CALL, EXPR isMethaneLevelCritical() [L453] int retValue_acc ; [L456] retValue_acc = methaneLevelCritical [L457] return (retValue_acc); [L500] RET, EXPR isMethaneLevelCritical() [L500] tmp = isMethaneLevelCritical() [L502] COND FALSE !(\read(tmp)) [L219] RET __utac_acc__Specification1_spec__1() [L392] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 12:50:47,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e19b8fbd-8116-49d1-af49-57e72f730caa/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)