./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:59:01,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:59:01,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:59:01,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:59:01,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:59:01,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:59:01,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:59:01,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:59:01,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:59:01,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:59:01,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:59:01,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:59:01,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:59:01,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:59:01,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:59:01,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:59:01,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:59:01,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:59:01,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:59:01,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:59:01,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:59:01,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:59:01,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:59:01,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:59:01,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:59:01,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:59:01,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:59:01,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:59:01,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:59:01,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:59:01,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:59:01,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:59:01,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:59:01,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:59:01,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:59:01,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:59:01,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:59:01,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:59:01,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:59:01,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:59:01,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:59:01,663 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:59:01,713 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:59:01,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:59:01,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:59:01,713 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:59:01,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:59:01,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:59:01,722 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:59:01,722 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:59:01,722 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:59:01,722 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:59:01,724 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:59:01,724 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:59:01,724 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:59:01,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:59:01,725 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:59:01,725 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:59:01,725 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:59:01,725 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:59:01,725 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:59:01,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:59:01,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:59:01,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:59:01,726 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:59:01,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:59:01,728 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:59:01,729 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:59:01,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:59:01,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:59:01,729 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:59:01,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:59:01,730 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:59:01,732 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:59:01,732 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_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef [2022-11-16 11:59:02,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:59:02,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:59:02,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:59:02,124 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:59:02,125 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:59:02,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2022-11-16 11:59:02,208 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8/data/a219bb205/f8b311a2c9d14b18b1206d96045e3f65/FLAG234d07da0 [2022-11-16 11:59:02,900 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:59:02,900 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2022-11-16 11:59:02,917 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8/data/a219bb205/f8b311a2c9d14b18b1206d96045e3f65/FLAG234d07da0 [2022-11-16 11:59:03,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8/data/a219bb205/f8b311a2c9d14b18b1206d96045e3f65 [2022-11-16 11:59:03,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:59:03,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:59:03,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:59:03,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:59:03,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:59:03,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:59:03" (1/1) ... [2022-11-16 11:59:03,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786301ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:03, skipping insertion in model container [2022-11-16 11:59:03,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:59:03" (1/1) ... [2022-11-16 11:59:03,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:59:03,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:59:03,495 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2022-11-16 11:59:03,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:59:03,557 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:59:03,594 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2022-11-16 11:59:03,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:59:03,697 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:59:03,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:03 WrapperNode [2022-11-16 11:59:03,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:59:03,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:59:03,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:59:03,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:59:03,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:03" (1/1) ... [2022-11-16 11:59:03,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:03" (1/1) ... [2022-11-16 11:59:03,776 INFO L138 Inliner]: procedures = 53, calls = 150, calls flagged for inlining = 47, calls inlined = 48, statements flattened = 380 [2022-11-16 11:59:03,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:59:03,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:59:03,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:59:03,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:59:03,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:03" (1/1) ... [2022-11-16 11:59:03,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:03" (1/1) ... [2022-11-16 11:59:03,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:03" (1/1) ... [2022-11-16 11:59:03,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:03" (1/1) ... [2022-11-16 11:59:03,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:03" (1/1) ... [2022-11-16 11:59:03,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:03" (1/1) ... [2022-11-16 11:59:03,809 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:03" (1/1) ... [2022-11-16 11:59:03,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:03" (1/1) ... [2022-11-16 11:59:03,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:59:03,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:59:03,816 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:59:03,816 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:59:03,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:03" (1/1) ... [2022-11-16 11:59:03,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:59:03,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:59:03,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:59:03,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:59:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:59:03,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:59:03,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:59:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:59:04,028 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:59:04,030 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:59:04,521 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:59:04,530 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:59:04,542 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:59:04,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:04 BoogieIcfgContainer [2022-11-16 11:59:04,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:59:04,546 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:59:04,547 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:59:04,558 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:59:04,559 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:59:04,560 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:59:03" (1/3) ... [2022-11-16 11:59:04,561 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c76f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:59:04, skipping insertion in model container [2022-11-16 11:59:04,561 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:59:04,561 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:03" (2/3) ... [2022-11-16 11:59:04,561 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c76f4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:59:04, skipping insertion in model container [2022-11-16 11:59:04,562 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:59:04,562 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:04" (3/3) ... [2022-11-16 11:59:04,563 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2022-11-16 11:59:04,671 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:59:04,671 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:59:04,671 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:59:04,672 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:59:04,672 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:59:04,672 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:59:04,672 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:59:04,672 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:59:04,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:59:04,727 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-11-16 11:59:04,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:59:04,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:59:04,734 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:04,735 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:04,735 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:59:04,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:59:04,743 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-11-16 11:59:04,743 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:59:04,743 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:59:04,744 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:04,745 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:04,752 INFO L748 eck$LassoCheckResult]: Stem: 96#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 35#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 81#L440true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 62#L433true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 100#L448true main_#t~ret19#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1; 15#L376true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 84#L350true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 33#L65-2true [2022-11-16 11:59:04,753 INFO L750 eck$LassoCheckResult]: Loop: 33#L65-2true assume !false; 27#L66true assume test_~splverifierCounter~0#1 < 4; 95#L67true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 54#L75true assume !(0 != test_~tmp~0#1); 92#L75-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 31#L85true assume !(0 != test_~tmp___0~0#1); 6#L85-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 71#L95true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 57#L287true assume { :end_inline_startSystem } true; 75#L103-2true assume { :begin_inline_timeShift } true; 56#L138true assume !(0 != ~pumpRunning~0); 73#L138-2true assume !(0 != ~systemActive~0); 59#L145-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret20#1, __utac_acc__Specification4_spec__1_#t~ret21#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 36#L528true __utac_acc__Specification4_spec__1_#t~ret20#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret20#1;havoc __utac_acc__Specification4_spec__1_#t~ret20#1; 65#L400true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 63#L400-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 42#L155true assume { :end_inline_timeShift } true; 33#L65-2true [2022-11-16 11:59:04,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:04,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-16 11:59:04,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:04,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930176566] [2022-11-16 11:59:04,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:04,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:59:04,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:59:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:59:04,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:59:05,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:05,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1147229153, now seen corresponding path program 1 times [2022-11-16 11:59:05,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:05,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787895477] [2022-11-16 11:59:05,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:05,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:05,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:59:05,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:05,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787895477] [2022-11-16 11:59:05,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787895477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:05,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:05,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:59:05,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103753334] [2022-11-16 11:59:05,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:05,120 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 11:59:05,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:05,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:05,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:05,160 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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) [2022-11-16 11:59:05,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:59:05,208 INFO L93 Difference]: Finished difference Result 100 states and 126 transitions. [2022-11-16 11:59:05,210 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 126 transitions. [2022-11-16 11:59:05,213 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-11-16 11:59:05,219 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 90 states and 115 transitions. [2022-11-16 11:59:05,220 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 90 [2022-11-16 11:59:05,221 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 90 [2022-11-16 11:59:05,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 115 transitions. [2022-11-16 11:59:05,222 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:05,222 INFO L218 hiAutomatonCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-11-16 11:59:05,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 115 transitions. [2022-11-16 11:59:05,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-11-16 11:59:05,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 89 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:59:05,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2022-11-16 11:59:05,258 INFO L240 hiAutomatonCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-11-16 11:59:05,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:05,264 INFO L428 stractBuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-11-16 11:59:05,264 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:59:05,264 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 115 transitions. [2022-11-16 11:59:05,266 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-11-16 11:59:05,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:59:05,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:59:05,267 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:05,267 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] [2022-11-16 11:59:05,268 INFO L748 eck$LassoCheckResult]: Stem: 298#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 288#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 271#L440 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 214#L433 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 215#L448 main_#t~ret19#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1; 243#L376 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 244#L350 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 284#L65-2 [2022-11-16 11:59:05,268 INFO L750 eck$LassoCheckResult]: Loop: 284#L65-2 assume !false; 278#L66 assume test_~splverifierCounter~0#1 < 4; 279#L67 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 297#L75 assume !(0 != test_~tmp~0#1); 221#L75-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 281#L85 assume !(0 != test_~tmp___0~0#1); 222#L85-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 223#L95 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 256#L287 assume { :end_inline_startSystem } true; 265#L103-2 assume { :begin_inline_timeShift } true; 266#L138 assume !(0 != ~pumpRunning~0); 258#L138-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 262#L170 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 293#L162-1 assume { :end_inline_processEnvironment__wrappee__base } true; 273#L170-1 assume { :end_inline_processEnvironment } true; 296#L145-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret20#1, __utac_acc__Specification4_spec__1_#t~ret21#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 290#L528 __utac_acc__Specification4_spec__1_#t~ret20#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret20#1;havoc __utac_acc__Specification4_spec__1_#t~ret20#1; 237#L400 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 216#L400-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 217#L155 assume { :end_inline_timeShift } true; 284#L65-2 [2022-11-16 11:59:05,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:05,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-16 11:59:05,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:05,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717148399] [2022-11-16 11:59:05,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:05,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:59:05,297 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:59:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:59:05,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:59:05,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:05,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1311911032, now seen corresponding path program 1 times [2022-11-16 11:59:05,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:05,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852203213] [2022-11-16 11:59:05,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:05,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:59:05,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:59:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:59:05,347 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:59:05,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:05,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1335058252, now seen corresponding path program 1 times [2022-11-16 11:59:05,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:05,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940919290] [2022-11-16 11:59:05,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:05,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:59:05,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:59:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:59:05,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:59:09,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:59:09,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:59:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:59:09,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:59:09 BoogieIcfgContainer [2022-11-16 11:59:09,877 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:59:09,878 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:59:09,878 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:59:09,878 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:59:09,879 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:04" (3/4) ... [2022-11-16 11:59:09,882 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 11:59:09,985 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:59:09,985 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:59:09,986 INFO L158 Benchmark]: Toolchain (without parser) took 6825.64ms. Allocated memory was 123.7MB in the beginning and 184.5MB in the end (delta: 60.8MB). Free memory was 87.9MB in the beginning and 154.0MB in the end (delta: -66.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:59:09,989 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:59:09,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.59ms. Allocated memory is still 123.7MB. Free memory was 87.6MB in the beginning and 91.3MB in the end (delta: -3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:59:09,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.16ms. Allocated memory is still 123.7MB. Free memory was 91.3MB in the beginning and 88.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:59:09,999 INFO L158 Benchmark]: Boogie Preprocessor took 37.26ms. Allocated memory is still 123.7MB. Free memory was 88.5MB in the beginning and 86.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:59:10,000 INFO L158 Benchmark]: RCFGBuilder took 729.80ms. Allocated memory is still 123.7MB. Free memory was 86.6MB in the beginning and 66.8MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 11:59:10,001 INFO L158 Benchmark]: BuchiAutomizer took 5330.87ms. Allocated memory was 123.7MB in the beginning and 184.5MB in the end (delta: 60.8MB). Free memory was 66.7MB in the beginning and 157.2MB in the end (delta: -90.5MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2022-11-16 11:59:10,001 INFO L158 Benchmark]: Witness Printer took 107.50ms. Allocated memory is still 184.5MB. Free memory was 157.2MB in the beginning and 154.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:59:10,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 123.7MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.59ms. Allocated memory is still 123.7MB. Free memory was 87.6MB in the beginning and 91.3MB in the end (delta: -3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.16ms. Allocated memory is still 123.7MB. Free memory was 91.3MB in the beginning and 88.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.26ms. Allocated memory is still 123.7MB. Free memory was 88.5MB in the beginning and 86.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 729.80ms. Allocated memory is still 123.7MB. Free memory was 86.6MB in the beginning and 66.8MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 5330.87ms. Allocated memory was 123.7MB in the beginning and 184.5MB in the end (delta: 60.8MB). Free memory was 66.7MB in the beginning and 157.2MB in the end (delta: -90.5MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * Witness Printer took 107.50ms. Allocated memory is still 184.5MB. Free memory was 157.2MB in the beginning and 154.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 123 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L720] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int methaneLevelCritical = 0; [L130] int pumpRunning = 0; [L453] int waterLevel = 1; [L131] int systemActive = 1; [L291] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L367] int retValue_acc ; [L368] int tmp ; [L372] FCALL select_helpers() [L373] FCALL select_features() [L374] CALL, EXPR valid_product() [L444] int retValue_acc ; [L447] retValue_acc = 1 [L448] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L374] RET, EXPR valid_product() [L374] tmp = valid_product() [L376] COND TRUE \read(tmp) [L378] FCALL setup() [L379] CALL runTest() [L358] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L97] CALL startSystem() [L286] systemActive = 1 [L97] RET startSystem() [L110] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; [L170] COND FALSE !(\read(pumpRunning)) [L185] FCALL processEnvironment__wrappee__base() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification4_spec__1() [L393] int tmp ; [L394] int tmp___0 ; [L398] CALL, EXPR getWaterLevel() [L524] int retValue_acc ; [L527] retValue_acc = waterLevel [L528] return (retValue_acc); [L398] RET, EXPR getWaterLevel() [L398] tmp = getWaterLevel() [L400] COND FALSE !(tmp == 0) [L153] RET __utac_acc__Specification4_spec__1() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L720] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int methaneLevelCritical = 0; [L130] int pumpRunning = 0; [L453] int waterLevel = 1; [L131] int systemActive = 1; [L291] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L367] int retValue_acc ; [L368] int tmp ; [L372] FCALL select_helpers() [L373] FCALL select_features() [L374] CALL, EXPR valid_product() [L444] int retValue_acc ; [L447] retValue_acc = 1 [L448] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L374] RET, EXPR valid_product() [L374] tmp = valid_product() [L376] COND TRUE \read(tmp) [L378] FCALL setup() [L379] CALL runTest() [L358] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L97] CALL startSystem() [L286] systemActive = 1 [L97] RET startSystem() [L110] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; [L170] COND FALSE !(\read(pumpRunning)) [L185] FCALL processEnvironment__wrappee__base() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification4_spec__1() [L393] int tmp ; [L394] int tmp___0 ; [L398] CALL, EXPR getWaterLevel() [L524] int retValue_acc ; [L527] retValue_acc = waterLevel [L528] return (retValue_acc); [L398] RET, EXPR getWaterLevel() [L398] tmp = getWaterLevel() [L400] COND FALSE !(tmp == 0) [L153] RET __utac_acc__Specification4_spec__1() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 11:59:10,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1adca5a0-1f31-4a93-a51a-8140c3fb4a70/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)