./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/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_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/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_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/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 d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba --- 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 20:41:31,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:41:31,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:41:31,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:41:31,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:41:31,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:41:31,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:41:31,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:41:31,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:41:31,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:41:31,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:41:31,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:41:31,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:41:31,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:41:31,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:41:31,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:41:31,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:41:31,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:41:31,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:41:31,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:41:31,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:41:31,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:41:31,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:41:31,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:41:31,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:41:31,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:41:31,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:41:31,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:41:31,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:41:31,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:41:31,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:41:31,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:41:31,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:41:31,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:41:31,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:41:31,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:41:31,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:41:31,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:41:31,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:41:31,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:41:31,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:41:31,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:41:31,774 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:41:31,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:41:31,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:41:31,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:41:31,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:41:31,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:41:31,777 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:41:31,777 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:41:31,778 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:41:31,778 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:41:31,779 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:41:31,780 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:41:31,780 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:41:31,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:41:31,780 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:41:31,781 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:41:31,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:41:31,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:41:31,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:41:31,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:41:31,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:41:31,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:41:31,782 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:41:31,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:41:31,783 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:41:31,785 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:41:31,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:41:31,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:41:31,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:41:31,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:41:31,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:41:31,787 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:41:31,788 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_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba [2022-11-02 20:41:32,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:41:32,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:41:32,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:41:32,077 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:41:32,078 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:41:32,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2022-11-02 20:41:32,165 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/bin/uautomizer-Dbtcem3rbc/data/eb0d199b4/cb08bc4852654aa6a75a6aaed3b88fa6/FLAG1e5ff09b6 [2022-11-02 20:41:32,742 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:41:32,743 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2022-11-02 20:41:32,762 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/bin/uautomizer-Dbtcem3rbc/data/eb0d199b4/cb08bc4852654aa6a75a6aaed3b88fa6/FLAG1e5ff09b6 [2022-11-02 20:41:33,058 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/bin/uautomizer-Dbtcem3rbc/data/eb0d199b4/cb08bc4852654aa6a75a6aaed3b88fa6 [2022-11-02 20:41:33,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:41:33,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:41:33,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:41:33,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:41:33,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:41:33,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b8d899f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33, skipping insertion in model container [2022-11-02 20:41:33,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:41:33,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:41:33,414 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_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c[13937,13950] [2022-11-02 20:41:33,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:41:33,483 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:41:33,544 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_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c[13937,13950] [2022-11-02 20:41:33,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:41:33,587 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:41:33,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33 WrapperNode [2022-11-02 20:41:33,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:41:33,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:41:33,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:41:33,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:41:33,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,644 INFO L138 Inliner]: procedures = 56, calls = 156, calls flagged for inlining = 53, calls inlined = 56, statements flattened = 424 [2022-11-02 20:41:33,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:41:33,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:41:33,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:41:33,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:41:33,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,674 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:41:33,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:41:33,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:41:33,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:41:33,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (1/1) ... [2022-11-02 20:41:33,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:41:33,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:41:33,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:41:33,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:41:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:41:33,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:41:33,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:41:33,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:41:33,936 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:41:33,939 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:41:34,559 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:41:34,570 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:41:34,572 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:41:34,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:34 BoogieIcfgContainer [2022-11-02 20:41:34,576 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:41:34,578 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:41:34,579 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:41:34,583 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:41:34,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:41:34,584 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:41:33" (1/3) ... [2022-11-02 20:41:34,586 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c55b2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:41:34, skipping insertion in model container [2022-11-02 20:41:34,586 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:41:34,586 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:41:33" (2/3) ... [2022-11-02 20:41:34,586 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1c55b2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:41:34, skipping insertion in model container [2022-11-02 20:41:34,586 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:41:34,587 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:34" (3/3) ... [2022-11-02 20:41:34,588 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product27.cil.c [2022-11-02 20:41:34,664 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:41:34,665 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:41:34,665 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:41:34,665 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:41:34,665 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:41:34,665 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:41:34,665 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:41:34,666 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:41:34,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 116 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 115 states have internal predecessors, (156), 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 20:41:34,707 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2022-11-02 20:41:34,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:41:34,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:41:34,720 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:34,720 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:34,720 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:41:34,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 116 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 115 states have internal predecessors, (156), 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 20:41:34,729 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2022-11-02 20:41:34,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:41:34,730 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:41:34,731 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:34,731 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:34,740 INFO L748 eck$LassoCheckResult]: Stem: 104#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);~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 30#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 55#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 110#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; 20#L83true main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 38#L696true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 103#L671true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 68#L97true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 69#L721-2true [2022-11-02 20:41:34,741 INFO L750 eck$LassoCheckResult]: Loop: 69#L721-2true assume !false; 56#L722true assume test_~splverifierCounter~0#1 < 4; 115#L723true test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 90#L731true assume !(0 != test_~tmp~5#1); 3#L731-2true test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 106#L741true assume !(0 != test_~tmp___0~1#1); 70#L741-2true test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 17#L751true assume 0 != test_~tmp___2~0#1; 48#L757-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 76#L893true __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 111#L107true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 64#L790true assume !(0 != ~pumpRunning~0); 82#L790-2true assume !(0 != ~systemActive~0); 81#L797-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 114#L587true __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 89#L118true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 46#L118-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 8#L807true assume { :end_inline_timeShift } true; 69#L721-2true [2022-11-02 20:41:34,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:34,747 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-02 20:41:34,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:34,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160095928] [2022-11-02 20:41:34,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:34,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:34,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:41:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:35,028 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:41:35,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:35,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1155607476, now seen corresponding path program 1 times [2022-11-02 20:41:35,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:35,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108406583] [2022-11-02 20:41:35,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:35,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:35,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:41:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:35,051 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:41:35,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:35,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1800007413, now seen corresponding path program 1 times [2022-11-02 20:41:35,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:35,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305064596] [2022-11-02 20:41:35,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:35,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,337 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 20:41:35,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:35,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305064596] [2022-11-02 20:41:35,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305064596] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:35,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:35,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:41:35,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513106487] [2022-11-02 20:41:35,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:35,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:35,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:41:35,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:41:35,526 INFO L87 Difference]: Start difference. First operand has 116 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 115 states have internal predecessors, (156), 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 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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 20:41:35,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:35,641 INFO L93 Difference]: Finished difference Result 291 states and 372 transitions. [2022-11-02 20:41:35,642 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 372 transitions. [2022-11-02 20:41:35,648 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 185 [2022-11-02 20:41:35,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 261 states and 342 transitions. [2022-11-02 20:41:35,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 261 [2022-11-02 20:41:35,659 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 261 [2022-11-02 20:41:35,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 261 states and 342 transitions. [2022-11-02 20:41:35,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:41:35,661 INFO L218 hiAutomatonCegarLoop]: Abstraction has 261 states and 342 transitions. [2022-11-02 20:41:35,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states and 342 transitions. [2022-11-02 20:41:35,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 164. [2022-11-02 20:41:35,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 164 states have (on average 1.3109756097560976) internal successors, (215), 163 states have internal predecessors, (215), 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 20:41:35,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 215 transitions. [2022-11-02 20:41:35,711 INFO L240 hiAutomatonCegarLoop]: Abstraction has 164 states and 215 transitions. [2022-11-02 20:41:35,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:41:35,719 INFO L428 stractBuchiCegarLoop]: Abstraction has 164 states and 215 transitions. [2022-11-02 20:41:35,721 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:41:35,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states and 215 transitions. [2022-11-02 20:41:35,723 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2022-11-02 20:41:35,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:41:35,746 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:41:35,747 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:35,747 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] [2022-11-02 20:41:35,747 INFO L748 eck$LassoCheckResult]: Stem: 527#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);~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 469#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 470#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 497#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; 455#L83 main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 456#L696 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 481#L671 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 511#L97 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 435#L721-2 [2022-11-02 20:41:35,747 INFO L750 eck$LassoCheckResult]: Loop: 435#L721-2 assume !false; 498#L722 assume test_~splverifierCounter~0#1 < 4; 499#L723 test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 521#L731 assume !(0 != test_~tmp~5#1); 425#L731-2 test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 426#L741 assume !(0 != test_~tmp___0~1#1); 512#L741-2 test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 448#L751 assume 0 != test_~tmp___2~0#1; 449#L757-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 491#L893 __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 515#L107 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 506#L790 assume !(0 != ~pumpRunning~0); 507#L790-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 513#L822 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 514#L814-1 assume { :end_inline_processEnvironment__wrappee__base } true; 516#L822-1 assume { :end_inline_processEnvironment } true; 517#L797-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 518#L587 __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 520#L118 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 454#L118-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 434#L807 assume { :end_inline_timeShift } true; 435#L721-2 [2022-11-02 20:41:35,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:35,748 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-02 20:41:35,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:35,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010561962] [2022-11-02 20:41:35,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:35,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:35,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:41:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:35,773 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:41:35,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:35,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1782780488, now seen corresponding path program 1 times [2022-11-02 20:41:35,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:35,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381363241] [2022-11-02 20:41:35,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:35,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:35,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:41:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:35,787 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:41:35,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:35,788 INFO L85 PathProgramCache]: Analyzing trace with hash 2110809711, now seen corresponding path program 1 times [2022-11-02 20:41:35,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:35,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788806915] [2022-11-02 20:41:35,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:35,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:41:35,921 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 20:41:35,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:41:35,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788806915] [2022-11-02 20:41:35,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788806915] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:41:35,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:41:35,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:41:35,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977115606] [2022-11-02 20:41:35,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:41:36,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:41:36,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:41:36,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:41:36,070 INFO L87 Difference]: Start difference. First operand 164 states and 215 transitions. cyclomatic complexity: 54 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 20:41:36,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:41:36,229 INFO L93 Difference]: Finished difference Result 447 states and 577 transitions. [2022-11-02 20:41:36,229 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 447 states and 577 transitions. [2022-11-02 20:41:36,237 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 220 [2022-11-02 20:41:36,247 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 447 states to 447 states and 577 transitions. [2022-11-02 20:41:36,247 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 447 [2022-11-02 20:41:36,249 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2022-11-02 20:41:36,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 447 states and 577 transitions. [2022-11-02 20:41:36,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:41:36,255 INFO L218 hiAutomatonCegarLoop]: Abstraction has 447 states and 577 transitions. [2022-11-02 20:41:36,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states and 577 transitions. [2022-11-02 20:41:36,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 312. [2022-11-02 20:41:36,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 312 states have (on average 1.2820512820512822) internal successors, (400), 311 states have internal predecessors, (400), 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 20:41:36,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 400 transitions. [2022-11-02 20:41:36,277 INFO L240 hiAutomatonCegarLoop]: Abstraction has 312 states and 400 transitions. [2022-11-02 20:41:36,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:41:36,278 INFO L428 stractBuchiCegarLoop]: Abstraction has 312 states and 400 transitions. [2022-11-02 20:41:36,278 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:41:36,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 312 states and 400 transitions. [2022-11-02 20:41:36,280 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 220 [2022-11-02 20:41:36,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:41:36,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:41:36,283 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:41:36,284 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] [2022-11-02 20:41:36,284 INFO L748 eck$LassoCheckResult]: Stem: 1175#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);~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 1098#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1099#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1131#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; 1082#L83 main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 1083#L696 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1111#L671 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1148#L97 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1149#L721-2 [2022-11-02 20:41:36,284 INFO L750 eck$LassoCheckResult]: Loop: 1149#L721-2 assume !false; 1232#L722 assume test_~splverifierCounter~0#1 < 4; 1231#L723 test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1229#L731 assume !(0 != test_~tmp~5#1); 1228#L731-2 test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1226#L741 assume !(0 != test_~tmp___0~1#1); 1224#L741-2 test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1223#L751 assume 0 != test_~tmp___2~0#1; 1222#L757-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 1332#L893 __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 1330#L107 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1328#L790 assume !(0 != ~pumpRunning~0); 1159#L790-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1160#L822 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1189#L814-1 assume { :end_inline_processEnvironment__wrappee__base } true; 1185#L822-1 assume { :end_inline_processEnvironment } true; 1186#L797-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 1178#L587 __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 1162#L118 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 1163#L893-1 __utac_acc__Specification5_spec__3_#t~ret7#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret7#1;havoc __utac_acc__Specification5_spec__3_#t~ret7#1; 1237#L122 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 1235#L118-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1234#L807 assume { :end_inline_timeShift } true; 1149#L721-2 [2022-11-02 20:41:36,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:36,286 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-02 20:41:36,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:36,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122700755] [2022-11-02 20:41:36,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:36,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:36,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:41:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:36,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:41:36,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:36,320 INFO L85 PathProgramCache]: Analyzing trace with hash 420803827, now seen corresponding path program 1 times [2022-11-02 20:41:36,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:36,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180644664] [2022-11-02 20:41:36,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:36,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:36,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:41:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:36,331 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:41:36,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:41:36,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1244470250, now seen corresponding path program 1 times [2022-11-02 20:41:36,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:41:36,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580170989] [2022-11-02 20:41:36,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:41:36,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:41:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:36,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:41:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:36,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:41:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:40,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:41:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:41:40,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:41:40 BoogieIcfgContainer [2022-11-02 20:41:40,419 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:41:40,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:41:40,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:41:40,420 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:41:40,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:41:34" (3/4) ... [2022-11-02 20:41:40,427 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 20:41:40,512 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:41:40,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:41:40,514 INFO L158 Benchmark]: Toolchain (without parser) took 7451.63ms. Allocated memory was 96.5MB in the beginning and 157.3MB in the end (delta: 60.8MB). Free memory was 60.5MB in the beginning and 74.2MB in the end (delta: -13.7MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2022-11-02 20:41:40,518 INFO L158 Benchmark]: CDTParser took 7.89ms. Allocated memory is still 96.5MB. Free memory was 68.2MB in the beginning and 77.5MB in the end (delta: -9.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:41:40,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.32ms. Allocated memory is still 96.5MB. Free memory was 60.4MB in the beginning and 64.1MB in the end (delta: -3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:41:40,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.25ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 61.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:41:40,521 INFO L158 Benchmark]: Boogie Preprocessor took 41.12ms. Allocated memory is still 96.5MB. Free memory was 61.3MB in the beginning and 59.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:41:40,521 INFO L158 Benchmark]: RCFGBuilder took 886.81ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.3MB in the beginning and 91.6MB in the end (delta: -32.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2022-11-02 20:41:40,522 INFO L158 Benchmark]: BuchiAutomizer took 5840.60ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 91.6MB in the beginning and 77.4MB in the end (delta: 14.3MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. [2022-11-02 20:41:40,522 INFO L158 Benchmark]: Witness Printer took 94.02ms. Allocated memory is still 157.3MB. Free memory was 77.4MB in the beginning and 74.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:41:40,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 7.89ms. Allocated memory is still 96.5MB. Free memory was 68.2MB in the beginning and 77.5MB in the end (delta: -9.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.32ms. Allocated memory is still 96.5MB. Free memory was 60.4MB in the beginning and 64.1MB in the end (delta: -3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.25ms. Allocated memory is still 96.5MB. Free memory was 64.1MB in the beginning and 61.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.12ms. Allocated memory is still 96.5MB. Free memory was 61.3MB in the beginning and 59.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 886.81ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.3MB in the beginning and 91.6MB in the end (delta: -32.4MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 5840.60ms. Allocated memory was 117.4MB in the beginning and 157.3MB in the end (delta: 39.8MB). Free memory was 91.6MB in the beginning and 77.4MB in the end (delta: 14.3MB). Peak memory consumption was 55.2MB. Max. memory is 16.1GB. * Witness Printer took 94.02ms. Allocated memory is still 157.3MB. Free memory was 77.4MB in the beginning and 74.2MB 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 312 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.1s. 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, 232 StatesRemovedByMinimization, 2 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, 1103 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1103 mSDsluCounter, 1413 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1085 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 328 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 721]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L91] int switchedOnBeforeTS ; [L309] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L512] int waterLevel = 1; [L513] int methaneLevelCritical = 0; [L610] int cleanupTimeShifts = 4; [L780] int pumpRunning = 0; [L781] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L687] int retValue_acc ; [L688] int tmp ; [L692] FCALL select_helpers() [L693] FCALL select_features() [L694] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L694] RET, EXPR valid_product() [L694] tmp = valid_product() [L696] COND TRUE \read(tmp) [L698] FCALL setup() [L699] CALL runTest() [L680] CALL __utac_acc__Specification5_spec__1() [L96] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L680] RET __utac_acc__Specification5_spec__1() [L681] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L721] COND TRUE 1 [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND TRUE \read(tmp___2) [L766] CALL timeShift() [L788] CALL __utac_acc__Specification5_spec__2() [L105] CALL, EXPR isPumpRunning() [L889] int retValue_acc ; [L892] retValue_acc = pumpRunning [L893] return (retValue_acc); [L105] RET, EXPR isPumpRunning() [L105] switchedOnBeforeTS = isPumpRunning() [L788] RET __utac_acc__Specification5_spec__2() [L790] COND FALSE !(\read(pumpRunning)) [L797] COND TRUE \read(systemActive) [L799] CALL processEnvironment() [L819] int tmp ; [L822] COND FALSE !(\read(pumpRunning)) [L837] FCALL processEnvironment__wrappee__base() [L799] RET processEnvironment() [L805] CALL __utac_acc__Specification5_spec__3() [L111] int tmp ; [L112] int tmp___0 ; [L116] CALL, EXPR getWaterLevel() [L583] int retValue_acc ; [L586] retValue_acc = waterLevel [L587] return (retValue_acc); [L116] RET, EXPR getWaterLevel() [L116] tmp = getWaterLevel() [L118] COND TRUE tmp != 2 [L120] CALL, EXPR isPumpRunning() [L889] int retValue_acc ; [L892] retValue_acc = pumpRunning [L893] return (retValue_acc); [L120] RET, EXPR isPumpRunning() [L120] tmp___0 = isPumpRunning() [L122] COND FALSE !(\read(tmp___0)) [L805] RET __utac_acc__Specification5_spec__3() [L766] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 721]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L91] int switchedOnBeforeTS ; [L309] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L512] int waterLevel = 1; [L513] int methaneLevelCritical = 0; [L610] int cleanupTimeShifts = 4; [L780] int pumpRunning = 0; [L781] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L687] int retValue_acc ; [L688] int tmp ; [L692] FCALL select_helpers() [L693] FCALL select_features() [L694] 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, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L694] RET, EXPR valid_product() [L694] tmp = valid_product() [L696] COND TRUE \read(tmp) [L698] FCALL setup() [L699] CALL runTest() [L680] CALL __utac_acc__Specification5_spec__1() [L96] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L680] RET __utac_acc__Specification5_spec__1() [L681] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L721] COND TRUE 1 [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND TRUE \read(tmp___2) [L766] CALL timeShift() [L788] CALL __utac_acc__Specification5_spec__2() [L105] CALL, EXPR isPumpRunning() [L889] int retValue_acc ; [L892] retValue_acc = pumpRunning [L893] return (retValue_acc); [L105] RET, EXPR isPumpRunning() [L105] switchedOnBeforeTS = isPumpRunning() [L788] RET __utac_acc__Specification5_spec__2() [L790] COND FALSE !(\read(pumpRunning)) [L797] COND TRUE \read(systemActive) [L799] CALL processEnvironment() [L819] int tmp ; [L822] COND FALSE !(\read(pumpRunning)) [L837] FCALL processEnvironment__wrappee__base() [L799] RET processEnvironment() [L805] CALL __utac_acc__Specification5_spec__3() [L111] int tmp ; [L112] int tmp___0 ; [L116] CALL, EXPR getWaterLevel() [L583] int retValue_acc ; [L586] retValue_acc = waterLevel [L587] return (retValue_acc); [L116] RET, EXPR getWaterLevel() [L116] tmp = getWaterLevel() [L118] COND TRUE tmp != 2 [L120] CALL, EXPR isPumpRunning() [L889] int retValue_acc ; [L892] retValue_acc = pumpRunning [L893] return (retValue_acc); [L120] RET, EXPR isPumpRunning() [L120] tmp___0 = isPumpRunning() [L122] COND FALSE !(\read(tmp___0)) [L805] RET __utac_acc__Specification5_spec__3() [L766] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-02 20:41:40,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae530dc7-fcd3-4da3-bd29-4d5e8db6d9c4/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)