./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.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_3b5ba296-13b9-4321-9018-7df7efa769e4/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5ba296-13b9-4321-9018-7df7efa769e4/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_3b5ba296-13b9-4321-9018-7df7efa769e4/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5ba296-13b9-4321-9018-7df7efa769e4/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5ba296-13b9-4321-9018-7df7efa769e4/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_3b5ba296-13b9-4321-9018-7df7efa769e4/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 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f --- 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 20:31:15,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:31:15,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:31:15,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:31:15,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:31:15,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:31:15,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:31:15,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:31:15,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:31:15,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:31:15,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:31:15,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:31:15,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:31:15,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:31:15,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:31:15,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:31:15,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:31:15,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:31:15,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:31:15,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:31:15,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:31:15,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:31:15,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:31:15,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:31:15,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:31:15,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:31:15,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:31:15,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:31:15,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:31:15,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:31:15,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:31:15,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:31:15,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:31:15,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:31:15,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:31:15,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:31:15,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:31:15,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:31:15,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:31:15,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:31:15,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:31:15,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5ba296-13b9-4321-9018-7df7efa769e4/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:31:15,402 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:31:15,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:31:15,403 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:31:15,403 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:31:15,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:31:15,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:31:15,406 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:31:15,406 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:31:15,406 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:31:15,407 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:31:15,408 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:31:15,408 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:31:15,409 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:31:15,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:31:15,409 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:31:15,409 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:31:15,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:31:15,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:31:15,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:31:15,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:31:15,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:31:15,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:31:15,411 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:31:15,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:31:15,412 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:31:15,412 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:31:15,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:31:15,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:31:15,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:31:15,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:31:15,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:31:15,417 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:31:15,417 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_3b5ba296-13b9-4321-9018-7df7efa769e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5ba296-13b9-4321-9018-7df7efa769e4/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63a498e40ee7fb7960293994084186ed238562f61fafb5e109bd8b394667fc1f [2022-11-02 20:31:15,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:31:15,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:31:15,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:31:15,834 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:31:15,835 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:31:15,837 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5ba296-13b9-4321-9018-7df7efa769e4/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2022-11-02 20:31:15,915 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5ba296-13b9-4321-9018-7df7efa769e4/bin/uautomizer-Dbtcem3rbc/data/2a1cd2b3a/e61d143d3f2b406cad897d4f2593b855/FLAG3e429babb [2022-11-02 20:31:16,668 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:31:16,668 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5ba296-13b9-4321-9018-7df7efa769e4/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c [2022-11-02 20:31:16,682 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5ba296-13b9-4321-9018-7df7efa769e4/bin/uautomizer-Dbtcem3rbc/data/2a1cd2b3a/e61d143d3f2b406cad897d4f2593b855/FLAG3e429babb [2022-11-02 20:31:16,938 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5ba296-13b9-4321-9018-7df7efa769e4/bin/uautomizer-Dbtcem3rbc/data/2a1cd2b3a/e61d143d3f2b406cad897d4f2593b855 [2022-11-02 20:31:16,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:31:16,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:31:16,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:31:16,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:31:16,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:31:16,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:31:16" (1/1) ... [2022-11-02 20:31:16,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108c42eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:16, skipping insertion in model container [2022-11-02 20:31:16,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:31:16" (1/1) ... [2022-11-02 20:31:16,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:31:17,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:31:17,361 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_3b5ba296-13b9-4321-9018-7df7efa769e4/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13463,13476] [2022-11-02 20:31:17,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:31:17,414 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:31:17,480 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_3b5ba296-13b9-4321-9018-7df7efa769e4/sv-benchmarks/c/product-lines/minepump_spec4_product60.cil.c[13463,13476] [2022-11-02 20:31:17,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:31:17,531 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:31:17,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:17 WrapperNode [2022-11-02 20:31:17,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:31:17,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:31:17,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:31:17,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:31:17,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:17" (1/1) ... [2022-11-02 20:31:17,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:17" (1/1) ... [2022-11-02 20:31:17,620 INFO L138 Inliner]: procedures = 58, calls = 159, calls flagged for inlining = 56, calls inlined = 98, statements flattened = 735 [2022-11-02 20:31:17,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:31:17,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:31:17,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:31:17,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:31:17,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:17" (1/1) ... [2022-11-02 20:31:17,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:17" (1/1) ... [2022-11-02 20:31:17,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:17" (1/1) ... [2022-11-02 20:31:17,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:17" (1/1) ... [2022-11-02 20:31:17,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:17" (1/1) ... [2022-11-02 20:31:17,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:17" (1/1) ... [2022-11-02 20:31:17,664 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:17" (1/1) ... [2022-11-02 20:31:17,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:17" (1/1) ... [2022-11-02 20:31:17,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:31:17,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:31:17,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:31:17,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:31:17,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:17" (1/1) ... [2022-11-02 20:31:17,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:31:17,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5ba296-13b9-4321-9018-7df7efa769e4/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:31:17,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5ba296-13b9-4321-9018-7df7efa769e4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:31:17,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5ba296-13b9-4321-9018-7df7efa769e4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:31:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:31:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:31:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:31:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:31:17,907 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:31:17,910 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:31:18,733 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:31:18,775 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:31:18,791 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:31:18,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:31:18 BoogieIcfgContainer [2022-11-02 20:31:18,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:31:18,800 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:31:18,800 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:31:18,806 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:31:18,811 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:31:18,811 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:31:16" (1/3) ... [2022-11-02 20:31:18,813 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ae4b5d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:31:18, skipping insertion in model container [2022-11-02 20:31:18,814 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:31:18,814 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:31:17" (2/3) ... [2022-11-02 20:31:18,815 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ae4b5d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:31:18, skipping insertion in model container [2022-11-02 20:31:18,816 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:31:18,816 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:31:18" (3/3) ... [2022-11-02 20:31:18,818 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product60.cil.c [2022-11-02 20:31:18,948 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:31:18,949 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:31:18,949 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:31:18,949 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:31:18,949 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:31:18,949 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:31:18,950 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:31:18,950 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:31:18,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 191 states, 190 states have (on average 1.3578947368421053) internal successors, (258), 190 states have internal predecessors, (258), 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 20:31:19,017 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2022-11-02 20:31:19,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:31:19,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:31:19,027 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:19,027 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 20:31:19,027 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:31:19,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 191 states, 190 states have (on average 1.3578947368421053) internal successors, (258), 190 states have internal predecessors, (258), 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 20:31:19,036 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2022-11-02 20:31:19,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:31:19,037 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:31:19,038 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:19,039 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 20:31:19,046 INFO L748 eck$LassoCheckResult]: Stem: 167#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(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 52#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 83#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 175#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; 31#L83true main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 4#L175true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 114#L151true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 184#L850-2true [2022-11-02 20:31:19,054 INFO L750 eck$LassoCheckResult]: Loop: 184#L850-2true assume !false; 109#L851true assume test_~splverifierCounter~0#1 < 4; 16#L852true test_~tmp~10#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 156#L860true assume !(0 != test_~tmp~10#1); 130#L860-2true test_~tmp___0~3#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 112#L870true assume !(0 != test_~tmp___0~3#1); 110#L870-2true test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 45#L880true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 17#L836true assume { :end_inline_startSystem } true; 88#L888-2true assume { :begin_inline_timeShift } true; 106#L609true assume !(0 != ~pumpRunning~0); 189#L609-2true assume !(0 != ~systemActive~0); 131#L616-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_#t~ret30#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 38#L984true __utac_acc__Specification4_spec__1_#t~ret29#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret29#1;havoc __utac_acc__Specification4_spec__1_#t~ret29#1; 159#L566true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 86#L566-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 94#L626true assume { :end_inline_timeShift } true; 184#L850-2true [2022-11-02 20:31:19,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:19,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-02 20:31:19,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:19,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222007515] [2022-11-02 20:31:19,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:19,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:19,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:31:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:19,395 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:31:19,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:19,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1231959071, now seen corresponding path program 1 times [2022-11-02 20:31:19,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:19,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266618275] [2022-11-02 20:31:19,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:19,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:19,567 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 20:31:19,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:31:19,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266618275] [2022-11-02 20:31:19,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266618275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:31:19,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:31:19,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:31:19,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760409239] [2022-11-02 20:31:19,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:31:19,578 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:31:19,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:31:19,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:31:19,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:31:19,634 INFO L87 Difference]: Start difference. First operand has 191 states, 190 states have (on average 1.3578947368421053) internal successors, (258), 190 states have internal predecessors, (258), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 20:31:19,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:19,786 INFO L93 Difference]: Finished difference Result 367 states and 483 transitions. [2022-11-02 20:31:19,788 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 367 states and 483 transitions. [2022-11-02 20:31:19,797 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 240 [2022-11-02 20:31:19,806 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 367 states to 347 states and 462 transitions. [2022-11-02 20:31:19,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 347 [2022-11-02 20:31:19,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 347 [2022-11-02 20:31:19,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 347 states and 462 transitions. [2022-11-02 20:31:19,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:31:19,813 INFO L218 hiAutomatonCegarLoop]: Abstraction has 347 states and 462 transitions. [2022-11-02 20:31:19,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states and 462 transitions. [2022-11-02 20:31:19,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 344. [2022-11-02 20:31:19,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 344 states have (on average 1.3313953488372092) internal successors, (458), 343 states have internal predecessors, (458), 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 20:31:19,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 458 transitions. [2022-11-02 20:31:19,875 INFO L240 hiAutomatonCegarLoop]: Abstraction has 344 states and 458 transitions. [2022-11-02 20:31:19,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:31:19,887 INFO L428 stractBuchiCegarLoop]: Abstraction has 344 states and 458 transitions. [2022-11-02 20:31:19,888 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:31:19,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 344 states and 458 transitions. [2022-11-02 20:31:19,895 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 237 [2022-11-02 20:31:19,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:31:19,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:31:19,908 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:19,909 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 20:31:19,909 INFO L748 eck$LassoCheckResult]: Stem: 762#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(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 657#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 658#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 699#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; 622#L83 main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 569#L175 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 570#L151 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 729#L850-2 [2022-11-02 20:31:19,909 INFO L750 eck$LassoCheckResult]: Loop: 729#L850-2 assume !false; 786#L851 assume test_~splverifierCounter~0#1 < 4; 785#L852 test_~tmp~10#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 757#L860 assume !(0 != test_~tmp~10#1); 621#L860-2 test_~tmp___0~3#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 726#L870 assume !(0 != test_~tmp___0~3#1); 725#L870-2 test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 644#L880 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 612#L888 assume !(0 != test_~tmp___1~0#1); 600#L888-2 assume { :begin_inline_timeShift } true; 704#L609 assume !(0 != ~pumpRunning~0); 719#L609-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 771#L667 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 812#L641-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 607#L633-3 assume { :end_inline_processEnvironment__wrappee__base } true; 608#L641-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 680#L667-1 assume { :end_inline_processEnvironment } true; 742#L616-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_#t~ret30#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 632#L984 __utac_acc__Specification4_spec__1_#t~ret29#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret29#1;havoc __utac_acc__Specification4_spec__1_#t~ret29#1; 633#L566 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 656#L566-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 787#L626 assume { :end_inline_timeShift } true; 729#L850-2 [2022-11-02 20:31:19,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:19,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-02 20:31:19,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:19,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431709707] [2022-11-02 20:31:19,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:19,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:19,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:31:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:19,991 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:31:19,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:19,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1136266127, now seen corresponding path program 1 times [2022-11-02 20:31:19,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:19,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306987962] [2022-11-02 20:31:19,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:19,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:31:20,051 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 20:31:20,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:31:20,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306987962] [2022-11-02 20:31:20,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306987962] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:31:20,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:31:20,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:31:20,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361832760] [2022-11-02 20:31:20,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:31:20,061 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 20:31:20,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:31:20,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:31:20,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:31:20,063 INFO L87 Difference]: Start difference. First operand 344 states and 458 transitions. cyclomatic complexity: 117 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 20:31:20,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:31:20,227 INFO L93 Difference]: Finished difference Result 468 states and 599 transitions. [2022-11-02 20:31:20,227 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 468 states and 599 transitions. [2022-11-02 20:31:20,232 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 331 [2022-11-02 20:31:20,237 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 468 states to 468 states and 599 transitions. [2022-11-02 20:31:20,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 468 [2022-11-02 20:31:20,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 468 [2022-11-02 20:31:20,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 468 states and 599 transitions. [2022-11-02 20:31:20,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:31:20,241 INFO L218 hiAutomatonCegarLoop]: Abstraction has 468 states and 599 transitions. [2022-11-02 20:31:20,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states and 599 transitions. [2022-11-02 20:31:20,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 468. [2022-11-02 20:31:20,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 468 states have (on average 1.2799145299145298) internal successors, (599), 467 states have internal predecessors, (599), 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 20:31:20,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 599 transitions. [2022-11-02 20:31:20,267 INFO L240 hiAutomatonCegarLoop]: Abstraction has 468 states and 599 transitions. [2022-11-02 20:31:20,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:31:20,269 INFO L428 stractBuchiCegarLoop]: Abstraction has 468 states and 599 transitions. [2022-11-02 20:31:20,269 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:31:20,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 468 states and 599 transitions. [2022-11-02 20:31:20,274 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 331 [2022-11-02 20:31:20,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:31:20,274 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:31:20,300 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:31:20,300 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 20:31:20,300 INFO L748 eck$LassoCheckResult]: Stem: 1577#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(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1471#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1472#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1515#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; 1439#L83 main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 1387#L175 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1388#L151 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~10#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~10#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1524#L850-2 [2022-11-02 20:31:20,301 INFO L750 eck$LassoCheckResult]: Loop: 1524#L850-2 assume !false; 1539#L851 assume test_~splverifierCounter~0#1 < 4; 1411#L852 test_~tmp~10#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 1412#L860 assume !(0 != test_~tmp~10#1); 1437#L860-2 test_~tmp___0~3#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 1543#L870 assume !(0 != test_~tmp___0~3#1); 1541#L870-2 test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 1459#L880 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1413#L836 assume { :end_inline_startSystem } true; 1414#L888-2 assume { :begin_inline_timeShift } true; 1519#L609 assume !(0 != ~pumpRunning~0); 1536#L609-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1588#L667 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1; 1849#L641-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret43#1, isHighWaterLevel_~retValue_acc~8#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~8#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 1848#L992-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 1847#L997-1 isHighWaterLevel_#t~ret43#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret43#1;havoc isHighWaterLevel_#t~ret43#1; 1846#L787-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1845#L787-5 isHighWaterLevel_~retValue_acc~8#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~8#1; 1841#L793-1 processEnvironment__wrappee__highWaterSensor_#t~ret31#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret31#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret31#1; 1662#L645-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1552#L633-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1501#L641-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1494#L667-1 assume { :end_inline_processEnvironment } true; 1558#L616-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret29#1, __utac_acc__Specification4_spec__1_#t~ret30#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 1448#L984 __utac_acc__Specification4_spec__1_#t~ret29#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret29#1;havoc __utac_acc__Specification4_spec__1_#t~ret29#1; 1449#L566 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 1470#L566-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 1516#L626 assume { :end_inline_timeShift } true; 1524#L850-2 [2022-11-02 20:31:20,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:20,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-02 20:31:20,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:20,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359621460] [2022-11-02 20:31:20,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:20,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:20,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:31:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:20,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:31:20,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:20,341 INFO L85 PathProgramCache]: Analyzing trace with hash -284494825, now seen corresponding path program 1 times [2022-11-02 20:31:20,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:20,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646309507] [2022-11-02 20:31:20,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:20,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:20,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:31:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:20,373 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:31:20,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:31:20,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1535476773, now seen corresponding path program 1 times [2022-11-02 20:31:20,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:31:20,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528822982] [2022-11-02 20:31:20,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:31:20,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:31:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:20,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:31:20,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:20,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:31:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:25,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:31:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:31:25,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:31:25 BoogieIcfgContainer [2022-11-02 20:31:25,759 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:31:25,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:31:25,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:31:25,760 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:31:25,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:31:18" (3/4) ... [2022-11-02 20:31:25,764 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 20:31:25,868 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5ba296-13b9-4321-9018-7df7efa769e4/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:31:25,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:31:25,873 INFO L158 Benchmark]: Toolchain (without parser) took 8929.98ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 112.7MB in the beginning and 132.2MB in the end (delta: -19.4MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-11-02 20:31:25,877 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 96.5MB. Free memory was 53.9MB in the beginning and 53.9MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:31:25,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.80ms. Allocated memory is still 144.7MB. Free memory was 112.7MB in the beginning and 112.7MB in the end (delta: -29.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:31:25,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.72ms. Allocated memory is still 144.7MB. Free memory was 112.7MB in the beginning and 109.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:31:25,879 INFO L158 Benchmark]: Boogie Preprocessor took 51.10ms. Allocated memory is still 144.7MB. Free memory was 109.1MB in the beginning and 106.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:31:25,880 INFO L158 Benchmark]: RCFGBuilder took 1124.57ms. Allocated memory is still 144.7MB. Free memory was 106.0MB in the beginning and 119.9MB in the end (delta: -13.9MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2022-11-02 20:31:25,880 INFO L158 Benchmark]: BuchiAutomizer took 6959.34ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 119.9MB in the beginning and 134.3MB in the end (delta: -14.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-02 20:31:25,881 INFO L158 Benchmark]: Witness Printer took 112.54ms. Allocated memory is still 186.6MB. Free memory was 134.3MB in the beginning and 132.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:31:25,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 96.5MB. Free memory was 53.9MB in the beginning and 53.9MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 586.80ms. Allocated memory is still 144.7MB. Free memory was 112.7MB in the beginning and 112.7MB in the end (delta: -29.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.72ms. Allocated memory is still 144.7MB. Free memory was 112.7MB in the beginning and 109.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.10ms. Allocated memory is still 144.7MB. Free memory was 109.1MB in the beginning and 106.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1124.57ms. Allocated memory is still 144.7MB. Free memory was 106.0MB in the beginning and 119.9MB in the end (delta: -13.9MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 6959.34ms. Allocated memory was 144.7MB in the beginning and 186.6MB in the end (delta: 41.9MB). Free memory was 119.9MB in the beginning and 134.3MB in the end (delta: -14.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 112.54ms. Allocated memory is still 186.6MB. Free memory was 134.3MB in the beginning and 132.2MB in the end (delta: 2.1MB). 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 3 locations. The remainder module has 468 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 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, 407 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 407 mSDsluCounter, 811 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 336 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 475 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 850]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L88] int cleanupTimeShifts = 4; [L358] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L602] int pumpRunning = 0; [L603] int systemActive = 1; [L909] int waterLevel = 1; [L910] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L166] int retValue_acc ; [L167] int tmp ; [L171] FCALL select_helpers() [L172] FCALL select_features() [L173] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L173] RET, EXPR valid_product() [L173] tmp = valid_product() [L175] COND TRUE \read(tmp) [L177] FCALL setup() [L178] CALL runTest() [L160] CALL test() [L841] int splverifierCounter ; [L842] int tmp ; [L843] int tmp___0 ; [L844] int tmp___1 ; [L845] int tmp___2 ; [L848] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L850] COND TRUE 1 [L852] COND TRUE splverifierCounter < 4 [L858] tmp = __VERIFIER_nondet_int() [L860] COND FALSE !(\read(tmp)) [L868] tmp___0 = __VERIFIER_nondet_int() [L870] COND FALSE !(\read(tmp___0)) [L878] tmp___2 = __VERIFIER_nondet_int() [L880] COND TRUE \read(tmp___2) [L882] CALL startSystem() [L835] systemActive = 1 [L882] RET startSystem() [L897] CALL timeShift() [L609] COND FALSE !(\read(pumpRunning)) [L616] COND TRUE \read(systemActive) [L618] CALL processEnvironment() [L664] int tmp ; [L667] COND FALSE !(\read(pumpRunning)) [L682] CALL processEnvironment__wrappee__highWaterSensor() [L638] int tmp ; [L641] COND TRUE ! pumpRunning [L643] CALL, EXPR isHighWaterLevel() [L779] int retValue_acc ; [L780] int tmp ; [L781] int tmp___0 ; [L785] CALL, EXPR isHighWaterSensorDry() [L989] int retValue_acc ; [L992] COND TRUE waterLevel < 2 [L993] retValue_acc = 1 [L994] return (retValue_acc); [L785] RET, EXPR isHighWaterSensorDry() [L785] tmp = isHighWaterSensorDry() [L787] COND TRUE \read(tmp) [L788] tmp___0 = 0 [L792] retValue_acc = tmp___0 [L793] return (retValue_acc); [L643] RET, EXPR isHighWaterLevel() [L643] tmp = isHighWaterLevel() [L645] COND FALSE !(\read(tmp)) [L651] FCALL processEnvironment__wrappee__base() [L682] RET processEnvironment__wrappee__highWaterSensor() [L618] RET processEnvironment() [L624] CALL __utac_acc__Specification4_spec__1() [L559] int tmp ; [L560] int tmp___0 ; [L564] CALL, EXPR getWaterLevel() [L980] int retValue_acc ; [L983] retValue_acc = waterLevel [L984] return (retValue_acc); [L564] RET, EXPR getWaterLevel() [L564] tmp = getWaterLevel() [L566] COND FALSE !(tmp == 0) [L624] RET __utac_acc__Specification4_spec__1() [L897] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 850]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L88] int cleanupTimeShifts = 4; [L358] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L602] int pumpRunning = 0; [L603] int systemActive = 1; [L909] int waterLevel = 1; [L910] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L166] int retValue_acc ; [L167] int tmp ; [L171] FCALL select_helpers() [L172] FCALL select_features() [L173] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L173] RET, EXPR valid_product() [L173] tmp = valid_product() [L175] COND TRUE \read(tmp) [L177] FCALL setup() [L178] CALL runTest() [L160] CALL test() [L841] int splverifierCounter ; [L842] int tmp ; [L843] int tmp___0 ; [L844] int tmp___1 ; [L845] int tmp___2 ; [L848] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L850] COND TRUE 1 [L852] COND TRUE splverifierCounter < 4 [L858] tmp = __VERIFIER_nondet_int() [L860] COND FALSE !(\read(tmp)) [L868] tmp___0 = __VERIFIER_nondet_int() [L870] COND FALSE !(\read(tmp___0)) [L878] tmp___2 = __VERIFIER_nondet_int() [L880] COND TRUE \read(tmp___2) [L882] CALL startSystem() [L835] systemActive = 1 [L882] RET startSystem() [L897] CALL timeShift() [L609] COND FALSE !(\read(pumpRunning)) [L616] COND TRUE \read(systemActive) [L618] CALL processEnvironment() [L664] int tmp ; [L667] COND FALSE !(\read(pumpRunning)) [L682] CALL processEnvironment__wrappee__highWaterSensor() [L638] int tmp ; [L641] COND TRUE ! pumpRunning [L643] CALL, EXPR isHighWaterLevel() [L779] int retValue_acc ; [L780] int tmp ; [L781] int tmp___0 ; [L785] CALL, EXPR isHighWaterSensorDry() [L989] int retValue_acc ; [L992] COND TRUE waterLevel < 2 [L993] retValue_acc = 1 [L994] return (retValue_acc); [L785] RET, EXPR isHighWaterSensorDry() [L785] tmp = isHighWaterSensorDry() [L787] COND TRUE \read(tmp) [L788] tmp___0 = 0 [L792] retValue_acc = tmp___0 [L793] return (retValue_acc); [L643] RET, EXPR isHighWaterLevel() [L643] tmp = isHighWaterLevel() [L645] COND FALSE !(\read(tmp)) [L651] FCALL processEnvironment__wrappee__base() [L682] RET processEnvironment__wrappee__highWaterSensor() [L618] RET processEnvironment() [L624] CALL __utac_acc__Specification4_spec__1() [L559] int tmp ; [L560] int tmp___0 ; [L564] CALL, EXPR getWaterLevel() [L980] int retValue_acc ; [L983] retValue_acc = waterLevel [L984] return (retValue_acc); [L564] RET, EXPR getWaterLevel() [L564] tmp = getWaterLevel() [L566] COND FALSE !(tmp == 0) [L624] RET __utac_acc__Specification4_spec__1() [L897] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-02 20:31:26,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b5ba296-13b9-4321-9018-7df7efa769e4/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)