./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc --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 02fb1fa00f2030f7900be70496baf2f4c44344da378fa11ef09f1f26dc14ae9d --- 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-5e519f3 [2022-11-02 20:44:39,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:44:39,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:44:40,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:44:40,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:44:40,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:44:40,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:44:40,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:44:40,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:44:40,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:44:40,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:44:40,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:44:40,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:44:40,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:44:40,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:44:40,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:44:40,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:44:40,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:44:40,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:44:40,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:44:40,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:44:40,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:44:40,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:44:40,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:44:40,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:44:40,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:44:40,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:44:40,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:44:40,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:44:40,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:44:40,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:44:40,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:44:40,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:44:40,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:44:40,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:44:40,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:44:40,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:44:40,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:44:40,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:44:40,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:44:40,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:44:40,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:44:40,137 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:44:40,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:44:40,139 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:44:40,139 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:44:40,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:44:40,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:44:40,142 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:44:40,142 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:44:40,142 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:44:40,142 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:44:40,144 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:44:40,144 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:44:40,144 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:44:40,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:44:40,145 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:44:40,145 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:44:40,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:44:40,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:44:40,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:44:40,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:44:40,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:44:40,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:44:40,146 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:44:40,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:44:40,148 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:44:40,149 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:44:40,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:44:40,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:44:40,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:44:40,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:44:40,150 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:44:40,152 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:44:40,152 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_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02fb1fa00f2030f7900be70496baf2f4c44344da378fa11ef09f1f26dc14ae9d [2022-11-02 20:44:40,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:44:40,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:44:40,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:44:40,477 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:44:40,478 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:44:40,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2022-11-02 20:44:40,546 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc/data/b1b5c9464/6722a152b59d4b66a06b29e0cd3bf439/FLAGe8a920160 [2022-11-02 20:44:41,124 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:44:41,125 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c [2022-11-02 20:44:41,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc/data/b1b5c9464/6722a152b59d4b66a06b29e0cd3bf439/FLAGe8a920160 [2022-11-02 20:44:41,429 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc/data/b1b5c9464/6722a152b59d4b66a06b29e0cd3bf439 [2022-11-02 20:44:41,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:44:41,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:44:41,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:44:41,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:44:41,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:44:41,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:44:41" (1/1) ... [2022-11-02 20:44:41,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568e7452 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:41, skipping insertion in model container [2022-11-02 20:44:41,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:44:41" (1/1) ... [2022-11-02 20:44:41,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:44:41,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:44:41,852 WARN L230 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_635031c0-3409-4f78-88db-88b32755b0e3/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c[17174,17187] [2022-11-02 20:44:41,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:44:41,890 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:44:42,001 WARN L230 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_635031c0-3409-4f78-88db-88b32755b0e3/sv-benchmarks/c/product-lines/minepump_spec2_product46.cil.c[17174,17187] [2022-11-02 20:44:42,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:44:42,021 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:44:42,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:42 WrapperNode [2022-11-02 20:44:42,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:44:42,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:44:42,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:44:42,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:44:42,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:42" (1/1) ... [2022-11-02 20:44:42,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:42" (1/1) ... [2022-11-02 20:44:42,081 INFO L138 Inliner]: procedures = 56, calls = 157, calls flagged for inlining = 54, calls inlined = 97, statements flattened = 726 [2022-11-02 20:44:42,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:44:42,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:44:42,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:44:42,083 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:44:42,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:42" (1/1) ... [2022-11-02 20:44:42,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:42" (1/1) ... [2022-11-02 20:44:42,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:42" (1/1) ... [2022-11-02 20:44:42,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:42" (1/1) ... [2022-11-02 20:44:42,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:42" (1/1) ... [2022-11-02 20:44:42,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:42" (1/1) ... [2022-11-02 20:44:42,149 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:42" (1/1) ... [2022-11-02 20:44:42,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:42" (1/1) ... [2022-11-02 20:44:42,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:44:42,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:44:42,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:44:42,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:44:42,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:42" (1/1) ... [2022-11-02 20:44:42,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:44:42,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:44:42,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:44:42,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:44:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:44:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:44:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:44:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:44:42,351 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:44:42,353 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:44:42,847 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:44:42,855 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:44:42,855 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:44:42,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:44:42 BoogieIcfgContainer [2022-11-02 20:44:42,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:44:42,859 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:44:42,859 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:44:42,863 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:44:42,864 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:44:42,864 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:44:41" (1/3) ... [2022-11-02 20:44:42,865 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@fe4f063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:44:42, skipping insertion in model container [2022-11-02 20:44:42,865 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:44:42,865 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:42" (2/3) ... [2022-11-02 20:44:42,866 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@fe4f063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:44:42, skipping insertion in model container [2022-11-02 20:44:42,866 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:44:42,866 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:44:42" (3/3) ... [2022-11-02 20:44:42,867 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product46.cil.c [2022-11-02 20:44:42,927 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:44:42,927 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:44:42,927 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:44:42,927 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:44:42,928 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:44:42,928 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:44:42,928 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:44:42,928 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:44:42,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 185 states, 184 states have (on average 1.3641304347826086) internal successors, (251), 184 states have internal predecessors, (251), 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) [2022-11-02 20:44:42,963 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2022-11-02 20:44:42,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:44:42,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:44:42,971 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:44:42,972 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:44:42,972 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:44:42,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 185 states, 184 states have (on average 1.3641304347826086) internal successors, (251), 184 states have internal predecessors, (251), 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) [2022-11-02 20:44:42,990 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2022-11-02 20:44:42,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:44:42,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:44:42,995 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:44:42,996 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:44:43,008 INFO L748 eck$LassoCheckResult]: Stem: 170#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~8#1, main_~tmp~3#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 84#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 178#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 29#L83true main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 57#L642true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 152#L616true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 128#L879true assume { :end_inline___utac_acc__Specification2_spec__1 } 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; 90#L922-2true [2022-11-02 20:44:43,009 INFO L750 eck$LassoCheckResult]: Loop: 90#L922-2true assume !false; 153#L923true assume test_~splverifierCounter~0#1 < 4; 119#L924true test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 112#L932true assume !(0 != test_~tmp~9#1); 134#L932-2true test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 148#L942true assume !(0 != test_~tmp___0~2#1); 80#L942-2true test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 185#L952true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 9#L960true assume 0 != test_~tmp___1~0#1; 69#L960-2true assume { :begin_inline_timeShift } true; 40#L668true assume !(0 != ~pumpRunning~0); 162#L668-2true assume !(0 != ~systemActive~0); 124#L675-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~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; 108#L504-3true __utac_acc__Specification2_spec__2_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret47#1;havoc __utac_acc__Specification2_spec__2_#t~ret47#1; 62#L890true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0; 110#L890-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 115#L685true assume { :end_inline_timeShift } true; 90#L922-2true [2022-11-02 20:44:43,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:43,024 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-02 20:44:43,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:43,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159636815] [2022-11-02 20:44:43,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:43,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:44:43,230 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:44:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:44:43,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:44:43,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:43,313 INFO L85 PathProgramCache]: Analyzing trace with hash -787677046, now seen corresponding path program 1 times [2022-11-02 20:44:43,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:43,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823219952] [2022-11-02 20:44:43,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:43,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:44:43,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:44:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:44:43,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:44:43,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:43,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1523618623, now seen corresponding path program 1 times [2022-11-02 20:44:43,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:43,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086717585] [2022-11-02 20:44:43,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:43,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:43,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:44:43,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:44:43,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086717585] [2022-11-02 20:44:43,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086717585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:44:43,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:44:43,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:44:43,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606748027] [2022-11-02 20:44:43,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:44:43,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:44:43,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:44:43,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:44:43,831 INFO L87 Difference]: Start difference. First operand has 185 states, 184 states have (on average 1.3641304347826086) internal successors, (251), 184 states have internal predecessors, (251), 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 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2022-11-02 20:44:43,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:44:43,928 INFO L93 Difference]: Finished difference Result 182 states and 237 transitions. [2022-11-02 20:44:43,929 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 237 transitions. [2022-11-02 20:44:43,934 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 115 [2022-11-02 20:44:43,939 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 172 states and 227 transitions. [2022-11-02 20:44:43,940 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 172 [2022-11-02 20:44:43,941 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 172 [2022-11-02 20:44:43,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 172 states and 227 transitions. [2022-11-02 20:44:43,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:44:43,942 INFO L218 hiAutomatonCegarLoop]: Abstraction has 172 states and 227 transitions. [2022-11-02 20:44:43,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states and 227 transitions. [2022-11-02 20:44:43,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2022-11-02 20:44:43,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 172 states have (on average 1.319767441860465) internal successors, (227), 171 states have internal predecessors, (227), 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) [2022-11-02 20:44:43,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 227 transitions. [2022-11-02 20:44:43,984 INFO L240 hiAutomatonCegarLoop]: Abstraction has 172 states and 227 transitions. [2022-11-02 20:44:43,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:44:43,990 INFO L428 stractBuchiCegarLoop]: Abstraction has 172 states and 227 transitions. [2022-11-02 20:44:43,991 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:44:43,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 172 states and 227 transitions. [2022-11-02 20:44:43,995 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 115 [2022-11-02 20:44:43,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:44:44,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:44:44,002 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:44:44,005 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] [2022-11-02 20:44:44,006 INFO L748 eck$LassoCheckResult]: Stem: 554#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 456#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~8#1, main_~tmp~3#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 457#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 500#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 433#L83 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 434#L642 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 467#L616 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 535#L879 assume { :end_inline___utac_acc__Specification2_spec__1 } 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; 505#L922-2 [2022-11-02 20:44:44,006 INFO L750 eck$LassoCheckResult]: Loop: 505#L922-2 assume !false; 506#L923 assume test_~splverifierCounter~0#1 < 4; 529#L924 test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 527#L932 assume !(0 != test_~tmp~9#1); 447#L932-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 540#L942 assume !(0 != test_~tmp___0~2#1); 496#L942-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 497#L952 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 550#L860 assume { :end_inline_startSystem } true; 400#L960-2 assume { :begin_inline_timeShift } true; 448#L668 assume !(0 != ~pumpRunning~0); 449#L668-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 538#L726 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; 539#L700-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 545#L692-3 assume { :end_inline_processEnvironment__wrappee__base } true; 437#L700-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 436#L726-1 assume { :end_inline_processEnvironment } true; 528#L675-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~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; 524#L504-3 __utac_acc__Specification2_spec__2_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret47#1;havoc __utac_acc__Specification2_spec__2_#t~ret47#1; 471#L890 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0; 444#L890-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 526#L685 assume { :end_inline_timeShift } true; 505#L922-2 [2022-11-02 20:44:44,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:44,007 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-02 20:44:44,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:44,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326923907] [2022-11-02 20:44:44,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:44,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:44:44,022 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:44:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:44:44,075 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:44:44,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:44,081 INFO L85 PathProgramCache]: Analyzing trace with hash 330583066, now seen corresponding path program 1 times [2022-11-02 20:44:44,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:44,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698634547] [2022-11-02 20:44:44,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:44,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:44:44,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:44:44,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698634547] [2022-11-02 20:44:44,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698634547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:44:44,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:44:44,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:44:44,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360387321] [2022-11-02 20:44:44,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:44:44,127 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:44:44,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:44:44,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:44:44,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:44:44,128 INFO L87 Difference]: Start difference. First operand 172 states and 227 transitions. cyclomatic complexity: 57 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:44:44,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:44:44,221 INFO L93 Difference]: Finished difference Result 237 states and 302 transitions. [2022-11-02 20:44:44,222 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 237 states and 302 transitions. [2022-11-02 20:44:44,224 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 164 [2022-11-02 20:44:44,226 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 237 states to 237 states and 302 transitions. [2022-11-02 20:44:44,227 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 237 [2022-11-02 20:44:44,227 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 237 [2022-11-02 20:44:44,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 237 states and 302 transitions. [2022-11-02 20:44:44,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:44:44,229 INFO L218 hiAutomatonCegarLoop]: Abstraction has 237 states and 302 transitions. [2022-11-02 20:44:44,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states and 302 transitions. [2022-11-02 20:44:44,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2022-11-02 20:44:44,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 237 states have (on average 1.2742616033755274) internal successors, (302), 236 states have internal predecessors, (302), 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) [2022-11-02 20:44:44,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 302 transitions. [2022-11-02 20:44:44,247 INFO L240 hiAutomatonCegarLoop]: Abstraction has 237 states and 302 transitions. [2022-11-02 20:44:44,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:44:44,251 INFO L428 stractBuchiCegarLoop]: Abstraction has 237 states and 302 transitions. [2022-11-02 20:44:44,252 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:44:44,252 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 237 states and 302 transitions. [2022-11-02 20:44:44,255 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 164 [2022-11-02 20:44:44,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:44:44,256 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:44:44,257 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:44:44,257 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, 1, 1, 1, 1, 1, 1] [2022-11-02 20:44:44,257 INFO L748 eck$LassoCheckResult]: Stem: 979#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 876#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~8#1, main_~tmp~3#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 877#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 919#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 847#L83 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 848#L642 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 887#L616 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 957#L879 assume { :end_inline___utac_acc__Specification2_spec__1 } 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; 924#L922-2 [2022-11-02 20:44:44,258 INFO L750 eck$LassoCheckResult]: Loop: 924#L922-2 assume !false; 925#L923 assume test_~splverifierCounter~0#1 < 4; 951#L924 test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 948#L932 assume !(0 != test_~tmp~9#1); 861#L932-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 963#L942 assume !(0 != test_~tmp___0~2#1); 914#L942-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 915#L952 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet52#1;havoc test_#t~nondet52#1; 812#L960 assume 0 != test_~tmp___1~0#1; 813#L960-2 assume { :begin_inline_timeShift } true; 862#L668 assume !(0 != ~pumpRunning~0); 863#L668-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 961#L726 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; 962#L700-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret46#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~7#1;havoc isHighWaterSensorDry_~retValue_acc~7#1; 968#L544-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~7#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~7#1; 971#L549-1 isHighWaterLevel_#t~ret46#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret46#1;havoc isHighWaterLevel_#t~ret46#1; 972#L845-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~0#1 := 0; 937#L845-5 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 901#L851-1 processEnvironment__wrappee__methaneQuery_#t~ret34#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~4#1 := processEnvironment__wrappee__methaneQuery_#t~ret34#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret34#1; 827#L704-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 829#L692-2 assume { :end_inline_processEnvironment__wrappee__base } true; 853#L700-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 852#L726-1 assume { :end_inline_processEnvironment } true; 1010#L675-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret47#1, __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_~tmp~8#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~8#1;havoc __utac_acc__Specification2_spec__2_~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; 1009#L504-3 __utac_acc__Specification2_spec__2_#t~ret47#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~8#1 := __utac_acc__Specification2_spec__2_#t~ret47#1;havoc __utac_acc__Specification2_spec__2_#t~ret47#1; 1007#L890 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8#1);~methAndRunningLastTime~0 := 0; 946#L890-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 947#L685 assume { :end_inline_timeShift } true; 924#L922-2 [2022-11-02 20:44:44,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:44,259 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-02 20:44:44,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:44,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779638177] [2022-11-02 20:44:44,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:44,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:44:44,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:44:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:44:44,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:44:44,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:44,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1746035183, now seen corresponding path program 1 times [2022-11-02 20:44:44,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:44,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870574526] [2022-11-02 20:44:44,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:44,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:44:44,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:44:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:44:44,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:44:44,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:44,345 INFO L85 PathProgramCache]: Analyzing trace with hash -746964614, now seen corresponding path program 1 times [2022-11-02 20:44:44,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:44,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621867269] [2022-11-02 20:44:44,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:44,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:44:44,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:44:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:44:44,408 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:44:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:44:48,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:44:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:44:48,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:44:48 BoogieIcfgContainer [2022-11-02 20:44:48,619 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:44:48,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:44:48,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:44:48,620 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:44:48,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:44:42" (3/4) ... [2022-11-02 20:44:48,623 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 20:44:48,702 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:44:48,703 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:44:48,704 INFO L158 Benchmark]: Toolchain (without parser) took 7269.99ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 80.1MB in the beginning and 90.4MB in the end (delta: -10.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2022-11-02 20:44:48,704 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory was 97.2MB in the beginning and 97.1MB in the end (delta: 72.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:44:48,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.56ms. Allocated memory is still 121.6MB. Free memory was 79.9MB in the beginning and 88.5MB in the end (delta: -8.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:44:48,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.71ms. Allocated memory is still 121.6MB. Free memory was 88.5MB in the beginning and 84.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:44:48,706 INFO L158 Benchmark]: Boogie Preprocessor took 88.93ms. Allocated memory is still 121.6MB. Free memory was 84.6MB in the beginning and 81.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:44:48,707 INFO L158 Benchmark]: RCFGBuilder took 685.80ms. Allocated memory is still 121.6MB. Free memory was 81.8MB in the beginning and 53.9MB in the end (delta: 27.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-02 20:44:48,708 INFO L158 Benchmark]: BuchiAutomizer took 5760.00ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 53.6MB in the beginning and 93.6MB in the end (delta: -40.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:44:48,708 INFO L158 Benchmark]: Witness Printer took 83.54ms. Allocated memory is still 155.2MB. Free memory was 93.6MB in the beginning and 90.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:44:48,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory was 97.2MB in the beginning and 97.1MB in the end (delta: 72.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 587.56ms. Allocated memory is still 121.6MB. Free memory was 79.9MB in the beginning and 88.5MB in the end (delta: -8.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.71ms. Allocated memory is still 121.6MB. Free memory was 88.5MB in the beginning and 84.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.93ms. Allocated memory is still 121.6MB. Free memory was 84.6MB in the beginning and 81.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 685.80ms. Allocated memory is still 121.6MB. Free memory was 81.8MB in the beginning and 53.9MB in the end (delta: 27.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 5760.00ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 53.6MB in the beginning and 93.6MB in the end (delta: -40.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 83.54ms. Allocated memory is still 155.2MB. Free memory was 93.6MB in the beginning and 90.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 237 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 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, 867 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 867 mSDsluCounter, 547 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 103 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 444 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 922]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L461] int waterLevel = 1; [L462] int methaneLevelCritical = 0; [L555] int cleanupTimeShifts = 4; [L660] int pumpRunning = 0; [L661] int systemActive = 1; [L873] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L633] int retValue_acc ; [L634] int tmp ; [L638] FCALL select_helpers() [L639] FCALL select_features() [L640] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L640] RET, EXPR valid_product() [L640] tmp = valid_product() [L642] COND TRUE \read(tmp) [L644] FCALL setup() [L645] CALL runTest() [L626] CALL __utac_acc__Specification2_spec__1() [L878] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L626] RET __utac_acc__Specification2_spec__1() [L627] CALL test() [L913] int splverifierCounter ; [L914] int tmp ; [L915] int tmp___0 ; [L916] int tmp___1 ; [L917] int tmp___2 ; [L920] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L922] COND TRUE 1 [L924] COND TRUE splverifierCounter < 4 [L930] tmp = __VERIFIER_nondet_int() [L932] COND FALSE !(\read(tmp)) [L940] tmp___0 = __VERIFIER_nondet_int() [L942] COND FALSE !(\read(tmp___0)) [L950] tmp___2 = __VERIFIER_nondet_int() [L952] COND FALSE !(\read(tmp___2)) [L958] tmp___1 = __VERIFIER_nondet_int() [L960] COND TRUE \read(tmp___1) [L967] CALL timeShift() [L668] COND FALSE !(\read(pumpRunning)) [L675] COND TRUE \read(systemActive) [L677] CALL processEnvironment() [L723] int tmp ; [L726] COND FALSE !(\read(pumpRunning)) [L741] CALL processEnvironment__wrappee__methaneQuery() [L697] int tmp ; [L700] COND TRUE ! pumpRunning [L702] CALL, EXPR isHighWaterLevel() [L837] int retValue_acc ; [L838] int tmp ; [L839] int tmp___0 ; [L843] CALL, EXPR isHighWaterSensorDry() [L541] int retValue_acc ; [L544] COND TRUE waterLevel < 2 [L545] retValue_acc = 1 [L546] return (retValue_acc); [L843] RET, EXPR isHighWaterSensorDry() [L843] tmp = isHighWaterSensorDry() [L845] COND TRUE \read(tmp) [L846] tmp___0 = 0 [L850] retValue_acc = tmp___0 [L851] return (retValue_acc); [L702] RET, EXPR isHighWaterLevel() [L702] tmp = isHighWaterLevel() [L704] COND FALSE !(\read(tmp)) [L710] FCALL processEnvironment__wrappee__base() [L741] RET processEnvironment__wrappee__methaneQuery() [L677] RET processEnvironment() [L683] CALL __utac_acc__Specification2_spec__2() [L883] int tmp ; [L884] int tmp___0 ; [L888] CALL, EXPR isMethaneLevelCritical() [L500] int retValue_acc ; [L503] retValue_acc = methaneLevelCritical [L504] return (retValue_acc); [L888] RET, EXPR isMethaneLevelCritical() [L888] tmp = isMethaneLevelCritical() [L890] COND FALSE !(\read(tmp)) [L906] methAndRunningLastTime = 0 [L683] RET __utac_acc__Specification2_spec__2() [L967] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 922]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L461] int waterLevel = 1; [L462] int methaneLevelCritical = 0; [L555] int cleanupTimeShifts = 4; [L660] int pumpRunning = 0; [L661] int systemActive = 1; [L873] int methAndRunningLastTime ; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L633] int retValue_acc ; [L634] int tmp ; [L638] FCALL select_helpers() [L639] FCALL select_features() [L640] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L640] RET, EXPR valid_product() [L640] tmp = valid_product() [L642] COND TRUE \read(tmp) [L644] FCALL setup() [L645] CALL runTest() [L626] CALL __utac_acc__Specification2_spec__1() [L878] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L626] RET __utac_acc__Specification2_spec__1() [L627] CALL test() [L913] int splverifierCounter ; [L914] int tmp ; [L915] int tmp___0 ; [L916] int tmp___1 ; [L917] int tmp___2 ; [L920] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L922] COND TRUE 1 [L924] COND TRUE splverifierCounter < 4 [L930] tmp = __VERIFIER_nondet_int() [L932] COND FALSE !(\read(tmp)) [L940] tmp___0 = __VERIFIER_nondet_int() [L942] COND FALSE !(\read(tmp___0)) [L950] tmp___2 = __VERIFIER_nondet_int() [L952] COND FALSE !(\read(tmp___2)) [L958] tmp___1 = __VERIFIER_nondet_int() [L960] COND TRUE \read(tmp___1) [L967] CALL timeShift() [L668] COND FALSE !(\read(pumpRunning)) [L675] COND TRUE \read(systemActive) [L677] CALL processEnvironment() [L723] int tmp ; [L726] COND FALSE !(\read(pumpRunning)) [L741] CALL processEnvironment__wrappee__methaneQuery() [L697] int tmp ; [L700] COND TRUE ! pumpRunning [L702] CALL, EXPR isHighWaterLevel() [L837] int retValue_acc ; [L838] int tmp ; [L839] int tmp___0 ; [L843] CALL, EXPR isHighWaterSensorDry() [L541] int retValue_acc ; [L544] COND TRUE waterLevel < 2 [L545] retValue_acc = 1 [L546] return (retValue_acc); [L843] RET, EXPR isHighWaterSensorDry() [L843] tmp = isHighWaterSensorDry() [L845] COND TRUE \read(tmp) [L846] tmp___0 = 0 [L850] retValue_acc = tmp___0 [L851] return (retValue_acc); [L702] RET, EXPR isHighWaterLevel() [L702] tmp = isHighWaterLevel() [L704] COND FALSE !(\read(tmp)) [L710] FCALL processEnvironment__wrappee__base() [L741] RET processEnvironment__wrappee__methaneQuery() [L677] RET processEnvironment() [L683] CALL __utac_acc__Specification2_spec__2() [L883] int tmp ; [L884] int tmp___0 ; [L888] CALL, EXPR isMethaneLevelCritical() [L500] int retValue_acc ; [L503] retValue_acc = methaneLevelCritical [L504] return (retValue_acc); [L888] RET, EXPR isMethaneLevelCritical() [L888] tmp = isMethaneLevelCritical() [L890] COND FALSE !(\read(tmp)) [L906] methAndRunningLastTime = 0 [L683] RET __utac_acc__Specification2_spec__2() [L967] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-02 20:44:48,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635031c0-3409-4f78-88db-88b32755b0e3/bin/uautomizer-Dbtcem3rbc/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)