./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47012e9f-75c5-4f14-a7df-e3fd84f31570/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47012e9f-75c5-4f14-a7df-e3fd84f31570/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_47012e9f-75c5-4f14-a7df-e3fd84f31570/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47012e9f-75c5-4f14-a7df-e3fd84f31570/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47012e9f-75c5-4f14-a7df-e3fd84f31570/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_47012e9f-75c5-4f14-a7df-e3fd84f31570/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 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 --- 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 10:59:07,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:59:07,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:59:07,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:59:07,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:59:07,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:59:07,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:59:07,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:59:07,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:59:07,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:59:07,522 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:59:07,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:59:07,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:59:07,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:59:07,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:59:07,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:59:07,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:59:07,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:59:07,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:59:07,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:59:07,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:59:07,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:59:07,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:59:07,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:59:07,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:59:07,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:59:07,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:59:07,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:59:07,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:59:07,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:59:07,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:59:07,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:59:07,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:59:07,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:59:07,569 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:59:07,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:59:07,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:59:07,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:59:07,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:59:07,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:59:07,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:59:07,574 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47012e9f-75c5-4f14-a7df-e3fd84f31570/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 10:59:07,615 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:59:07,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:59:07,616 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:59:07,616 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:59:07,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:59:07,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:59:07,618 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:59:07,619 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 10:59:07,619 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 10:59:07,619 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 10:59:07,620 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 10:59:07,621 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 10:59:07,621 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 10:59:07,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:59:07,622 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 10:59:07,622 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 10:59:07,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 10:59:07,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 10:59:07,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:59:07,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 10:59:07,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 10:59:07,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 10:59:07,624 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 10:59:07,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:59:07,624 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 10:59:07,624 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:59:07,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 10:59:07,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:59:07,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:59:07,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:59:07,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 10:59:07,628 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 10:59:07,629 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_47012e9f-75c5-4f14-a7df-e3fd84f31570/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47012e9f-75c5-4f14-a7df-e3fd84f31570/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f348a1765e9ec5744c77eeefa530e23dc9cfba8d17cca10f5e72556b3df984 [2022-11-16 10:59:07,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:59:07,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:59:07,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:59:07,985 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:59:07,986 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:59:07,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47012e9f-75c5-4f14-a7df-e3fd84f31570/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2022-11-16 10:59:08,068 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47012e9f-75c5-4f14-a7df-e3fd84f31570/bin/uautomizer-tPACEb0tL8/data/6c2e24d24/06ff9ebc972046f9b133c8e4c39278bf/FLAG2b010a399 [2022-11-16 10:59:08,637 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:59:08,637 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47012e9f-75c5-4f14-a7df-e3fd84f31570/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2022-11-16 10:59:08,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47012e9f-75c5-4f14-a7df-e3fd84f31570/bin/uautomizer-tPACEb0tL8/data/6c2e24d24/06ff9ebc972046f9b133c8e4c39278bf/FLAG2b010a399 [2022-11-16 10:59:08,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47012e9f-75c5-4f14-a7df-e3fd84f31570/bin/uautomizer-tPACEb0tL8/data/6c2e24d24/06ff9ebc972046f9b133c8e4c39278bf [2022-11-16 10:59:08,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:59:08,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:59:08,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:59:08,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:59:08,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:59:08,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:59:08" (1/1) ... [2022-11-16 10:59:08,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22155f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:08, skipping insertion in model container [2022-11-16 10:59:08,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:59:08" (1/1) ... [2022-11-16 10:59:08,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:59:08,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:59:09,268 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_47012e9f-75c5-4f14-a7df-e3fd84f31570/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c[17188,17201] [2022-11-16 10:59:09,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:59:09,279 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 10:59:09,356 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_47012e9f-75c5-4f14-a7df-e3fd84f31570/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c[17188,17201] [2022-11-16 10:59:09,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:59:09,373 INFO L208 MainTranslator]: Completed translation [2022-11-16 10:59:09,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:09 WrapperNode [2022-11-16 10:59:09,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:59:09,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 10:59:09,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 10:59:09,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 10:59:09,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:09" (1/1) ... [2022-11-16 10:59:09,421 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:09" (1/1) ... [2022-11-16 10:59:09,451 INFO L138 Inliner]: procedures = 51, calls = 149, calls flagged for inlining = 46, calls inlined = 48, statements flattened = 362 [2022-11-16 10:59:09,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 10:59:09,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 10:59:09,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 10:59:09,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 10:59:09,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:09" (1/1) ... [2022-11-16 10:59:09,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:09" (1/1) ... [2022-11-16 10:59:09,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:09" (1/1) ... [2022-11-16 10:59:09,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:09" (1/1) ... [2022-11-16 10:59:09,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:09" (1/1) ... [2022-11-16 10:59:09,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:09" (1/1) ... [2022-11-16 10:59:09,480 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:09" (1/1) ... [2022-11-16 10:59:09,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:09" (1/1) ... [2022-11-16 10:59:09,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 10:59:09,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 10:59:09,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 10:59:09,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 10:59:09,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:09" (1/1) ... [2022-11-16 10:59:09,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:59:09,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47012e9f-75c5-4f14-a7df-e3fd84f31570/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:59:09,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47012e9f-75c5-4f14-a7df-e3fd84f31570/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:59:09,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47012e9f-75c5-4f14-a7df-e3fd84f31570/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 10:59:09,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 10:59:09,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 10:59:09,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 10:59:09,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 10:59:09,658 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 10:59:09,659 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 10:59:09,969 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 10:59:09,976 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 10:59:09,976 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 10:59:09,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:59:09 BoogieIcfgContainer [2022-11-16 10:59:09,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 10:59:09,980 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 10:59:09,980 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 10:59:09,984 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 10:59:09,985 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:59:09,985 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 10:59:08" (1/3) ... [2022-11-16 10:59:09,986 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60bf158f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 10:59:09, skipping insertion in model container [2022-11-16 10:59:09,986 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:59:09,987 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:59:09" (2/3) ... [2022-11-16 10:59:09,987 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60bf158f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 10:59:09, skipping insertion in model container [2022-11-16 10:59:09,987 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:59:09,987 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:59:09" (3/3) ... [2022-11-16 10:59:09,989 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2022-11-16 10:59:10,055 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 10:59:10,055 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 10:59:10,055 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 10:59:10,055 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 10:59:10,056 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 10:59:10,056 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 10:59:10,056 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 10:59:10,056 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 10:59:10,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 97 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 96 states have internal predecessors, (130), 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 10:59:10,083 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-11-16 10:59:10,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:59:10,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:59:10,089 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:59:10,090 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 10:59:10,090 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 10:59:10,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 97 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 96 states have internal predecessors, (130), 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 10:59:10,097 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-11-16 10:59:10,097 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:59:10,097 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:59:10,098 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:59:10,098 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 10:59:10,104 INFO L748 eck$LassoCheckResult]: Stem: 88#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 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; 34#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 74#L865true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 60#L858true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 35#L873true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 43#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 83#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 8#L420-2true [2022-11-16 10:59:10,104 INFO L750 eck$LassoCheckResult]: Loop: 8#L420-2true assume !false; 26#L421true assume test_~splverifierCounter~0#1 < 4; 15#L422true test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 14#L430true assume !(0 != test_~tmp~3#1); 41#L430-2true test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 73#L440true assume !(0 != test_~tmp___0~1#1); 72#L440-2true test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 70#L450true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 32#L406true assume { :end_inline_startSystem } true; 62#L458-2true assume { :begin_inline_timeShift } true; 6#L276true assume !(0 != ~pumpRunning~0); 80#L276-2true assume !(0 != ~systemActive~0); 57#L283-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 52#L233true __utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; 97#L248true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 63#L248-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 87#L293true assume { :end_inline_timeShift } true; 8#L420-2true [2022-11-16 10:59:10,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:10,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-16 10:59:10,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:10,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34460248] [2022-11-16 10:59:10,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:10,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:10,342 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:59:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:10,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:59:10,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:10,433 INFO L85 PathProgramCache]: Analyzing trace with hash 940144961, now seen corresponding path program 1 times [2022-11-16 10:59:10,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:10,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208591365] [2022-11-16 10:59:10,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:10,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:10,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:59:10,557 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 10:59:10,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:59:10,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208591365] [2022-11-16 10:59:10,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208591365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:59:10,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:59:10,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:59:10,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246003726] [2022-11-16 10:59:10,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:59:10,567 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 10:59:10,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:59:10,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:59:10,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:59:10,613 INFO L87 Difference]: Start difference. First operand has 97 states, 96 states have (on average 1.3541666666666667) internal successors, (130), 96 states have internal predecessors, (130), 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 10:59:10,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:59:10,674 INFO L93 Difference]: Finished difference Result 94 states and 117 transitions. [2022-11-16 10:59:10,676 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 94 states and 117 transitions. [2022-11-16 10:59:10,680 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2022-11-16 10:59:10,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 94 states to 84 states and 106 transitions. [2022-11-16 10:59:10,722 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 84 [2022-11-16 10:59:10,723 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 84 [2022-11-16 10:59:10,723 INFO L73 IsDeterministic]: Start isDeterministic. Operand 84 states and 106 transitions. [2022-11-16 10:59:10,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:59:10,724 INFO L218 hiAutomatonCegarLoop]: Abstraction has 84 states and 106 transitions. [2022-11-16 10:59:10,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states and 106 transitions. [2022-11-16 10:59:10,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-11-16 10:59:10,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 83 states have internal predecessors, (106), 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 10:59:10,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 106 transitions. [2022-11-16 10:59:10,756 INFO L240 hiAutomatonCegarLoop]: Abstraction has 84 states and 106 transitions. [2022-11-16 10:59:10,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:59:10,764 INFO L428 stractBuchiCegarLoop]: Abstraction has 84 states and 106 transitions. [2022-11-16 10:59:10,764 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 10:59:10,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 106 transitions. [2022-11-16 10:59:10,767 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 57 [2022-11-16 10:59:10,768 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:59:10,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:59:10,768 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:59:10,769 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 10:59:10,769 INFO L748 eck$LassoCheckResult]: Stem: 279#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 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; 268#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 261#L865 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 221#L858 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 222#L873 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 269#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 273#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 211#L420-2 [2022-11-16 10:59:10,769 INFO L750 eck$LassoCheckResult]: Loop: 211#L420-2 assume !false; 212#L421 assume test_~splverifierCounter~0#1 < 4; 234#L422 test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 231#L430 assume !(0 != test_~tmp~3#1); 233#L430-2 test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 258#L440 assume !(0 != test_~tmp___0~1#1); 214#L440-2 test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 250#L450 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 251#L458 assume 0 != test_~tmp___1~0#1; 223#L458-2 assume { :begin_inline_timeShift } true; 204#L276 assume !(0 != ~pumpRunning~0); 205#L276-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 224#L308 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 226#L300-1 assume { :end_inline_processEnvironment__wrappee__base } true; 254#L308-1 assume { :end_inline_processEnvironment } true; 209#L283-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 210#L233 __utac_acc__Specification4_spec__1_#t~ret10#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret10#1;havoc __utac_acc__Specification4_spec__1_#t~ret10#1; 283#L248 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 227#L248-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 228#L293 assume { :end_inline_timeShift } true; 211#L420-2 [2022-11-16 10:59:10,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:10,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-16 10:59:10,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:10,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362213769] [2022-11-16 10:59:10,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:10,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:10,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:59:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:10,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:59:10,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:10,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1015444711, now seen corresponding path program 1 times [2022-11-16 10:59:10,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:10,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528468294] [2022-11-16 10:59:10,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:10,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:10,826 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:59:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:10,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:59:10,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:59:10,835 INFO L85 PathProgramCache]: Analyzing trace with hash -632553301, now seen corresponding path program 1 times [2022-11-16 10:59:10,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:59:10,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690890816] [2022-11-16 10:59:10,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:59:10,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:59:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:10,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:59:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:10,889 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:59:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:14,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:59:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:59:15,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 10:59:15 BoogieIcfgContainer [2022-11-16 10:59:15,040 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 10:59:15,041 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 10:59:15,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 10:59:15,042 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 10:59:15,042 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:59:09" (3/4) ... [2022-11-16 10:59:15,046 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 10:59:15,122 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47012e9f-75c5-4f14-a7df-e3fd84f31570/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 10:59:15,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 10:59:15,123 INFO L158 Benchmark]: Toolchain (without parser) took 6204.47ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 80.3MB in the beginning and 119.0MB in the end (delta: -38.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:59:15,124 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 90.3MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:59:15,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.65ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 83.4MB in the end (delta: -3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 10:59:15,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.90ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 81.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:59:15,125 INFO L158 Benchmark]: Boogie Preprocessor took 32.19ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:59:15,126 INFO L158 Benchmark]: RCFGBuilder took 486.98ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 60.2MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 10:59:15,126 INFO L158 Benchmark]: BuchiAutomizer took 5060.54ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 60.2MB in the beginning and 121.1MB in the end (delta: -60.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:59:15,127 INFO L158 Benchmark]: Witness Printer took 81.39ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 119.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:59:15,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 90.3MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.65ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 83.4MB in the end (delta: -3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.90ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 81.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.19ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.98ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 60.2MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 5060.54ms. Allocated memory was 117.4MB in the beginning and 155.2MB in the end (delta: 37.7MB). Free memory was 60.2MB in the beginning and 121.1MB in the end (delta: -60.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 81.39ms. Allocated memory is still 155.2MB. Free memory was 121.1MB in the beginning and 119.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 84 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.6s. 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, 112 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 114 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, 114 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: 420]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L646] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L159] int methaneLevelCritical = 0; [L269] int pumpRunning = 0; [L158] int waterLevel = 1; [L270] int systemActive = 1; [L50] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L869] int retValue_acc ; [L872] retValue_acc = 1 [L873] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L411] int splverifierCounter ; [L412] int tmp ; [L413] int tmp___0 ; [L414] int tmp___1 ; [L415] int tmp___2 ; [L418] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L420] COND TRUE 1 [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp)) [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp___0)) [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp___2)) [L456] tmp___1 = __VERIFIER_nondet_int() [L458] COND TRUE \read(tmp___1) [L465] CALL timeShift() [L276] COND FALSE !(\read(pumpRunning)) [L283] COND TRUE \read(systemActive) [L285] CALL processEnvironment() [L305] int tmp ; [L308] COND FALSE !(\read(pumpRunning)) [L323] FCALL processEnvironment__wrappee__base() [L285] RET processEnvironment() [L291] CALL __utac_acc__Specification4_spec__1() [L241] int tmp ; [L242] int tmp___0 ; [L246] CALL, EXPR getWaterLevel() [L229] int retValue_acc ; [L232] retValue_acc = waterLevel [L233] return (retValue_acc); [L246] RET, EXPR getWaterLevel() [L246] tmp = getWaterLevel() [L248] COND FALSE !(tmp == 0) [L291] RET __utac_acc__Specification4_spec__1() [L465] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 420]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L646] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L159] int methaneLevelCritical = 0; [L269] int pumpRunning = 0; [L158] int waterLevel = 1; [L270] int systemActive = 1; [L50] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L869] int retValue_acc ; [L872] retValue_acc = 1 [L873] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L411] int splverifierCounter ; [L412] int tmp ; [L413] int tmp___0 ; [L414] int tmp___1 ; [L415] int tmp___2 ; [L418] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L420] COND TRUE 1 [L422] COND TRUE splverifierCounter < 4 [L428] tmp = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp)) [L438] tmp___0 = __VERIFIER_nondet_int() [L440] COND FALSE !(\read(tmp___0)) [L448] tmp___2 = __VERIFIER_nondet_int() [L450] COND FALSE !(\read(tmp___2)) [L456] tmp___1 = __VERIFIER_nondet_int() [L458] COND TRUE \read(tmp___1) [L465] CALL timeShift() [L276] COND FALSE !(\read(pumpRunning)) [L283] COND TRUE \read(systemActive) [L285] CALL processEnvironment() [L305] int tmp ; [L308] COND FALSE !(\read(pumpRunning)) [L323] FCALL processEnvironment__wrappee__base() [L285] RET processEnvironment() [L291] CALL __utac_acc__Specification4_spec__1() [L241] int tmp ; [L242] int tmp___0 ; [L246] CALL, EXPR getWaterLevel() [L229] int retValue_acc ; [L232] retValue_acc = waterLevel [L233] return (retValue_acc); [L246] RET, EXPR getWaterLevel() [L246] tmp = getWaterLevel() [L248] COND FALSE !(tmp == 0) [L291] RET __utac_acc__Specification4_spec__1() [L465] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 10:59:15,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47012e9f-75c5-4f14-a7df-e3fd84f31570/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)