./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a7c3724e5ee5aec618285d48655e08e5160513f4f9a55965746ea75a93f68ad --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:10:28,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:10:28,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:10:28,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:10:28,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:10:28,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:10:28,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:10:28,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:10:28,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:10:28,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:10:28,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:10:28,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:10:28,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:10:28,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:10:28,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:10:28,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:10:28,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:10:28,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:10:28,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:10:28,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:10:28,328 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:10:28,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:10:28,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:10:28,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:10:28,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:10:28,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:10:28,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:10:28,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:10:28,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:10:28,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:10:28,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:10:28,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:10:28,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:10:28,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:10:28,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:10:28,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:10:28,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:10:28,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:10:28,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:10:28,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:10:28,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:10:28,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:10:28,372 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:10:28,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:10:28,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:10:28,373 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:10:28,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:10:28,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:10:28,375 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:10:28,375 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:10:28,375 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:10:28,376 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:10:28,376 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:10:28,376 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:10:28,376 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:10:28,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:10:28,377 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:10:28,377 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:10:28,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:10:28,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:10:28,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:10:28,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:10:28,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:10:28,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:10:28,386 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:10:28,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:10:28,386 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:10:28,387 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:10:28,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:10:28,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:10:28,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:10:28,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:10:28,388 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:10:28,389 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:10:28,389 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_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a7c3724e5ee5aec618285d48655e08e5160513f4f9a55965746ea75a93f68ad [2022-11-02 20:10:28,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:10:28,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:10:28,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:10:28,740 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:10:28,741 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:10:28,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2022-11-02 20:10:28,821 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc/data/a8d9be701/8733beea31c74d2692984d80ef479135/FLAGb8e8eefca [2022-11-02 20:10:29,479 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:10:29,480 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c [2022-11-02 20:10:29,501 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc/data/a8d9be701/8733beea31c74d2692984d80ef479135/FLAGb8e8eefca [2022-11-02 20:10:29,762 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc/data/a8d9be701/8733beea31c74d2692984d80ef479135 [2022-11-02 20:10:29,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:10:29,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:10:29,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:10:29,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:10:29,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:10:29,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:10:29" (1/1) ... [2022-11-02 20:10:29,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71542f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:29, skipping insertion in model container [2022-11-02 20:10:29,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:10:29" (1/1) ... [2022-11-02 20:10:29,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:10:29,861 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:10:30,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c[8015,8028] [2022-11-02 20:10:30,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:10:30,343 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:10:30,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/sv-benchmarks/c/product-lines/minepump_spec4_product22.cil.c[8015,8028] [2022-11-02 20:10:30,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:10:30,456 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:10:30,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:30 WrapperNode [2022-11-02 20:10:30,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:10:30,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:10:30,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:10:30,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:10:30,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:30" (1/1) ... [2022-11-02 20:10:30,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:30" (1/1) ... [2022-11-02 20:10:30,533 INFO L138 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 51, calls inlined = 78, statements flattened = 560 [2022-11-02 20:10:30,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:10:30,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:10:30,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:10:30,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:10:30,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:30" (1/1) ... [2022-11-02 20:10:30,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:30" (1/1) ... [2022-11-02 20:10:30,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:30" (1/1) ... [2022-11-02 20:10:30,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:30" (1/1) ... [2022-11-02 20:10:30,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:30" (1/1) ... [2022-11-02 20:10:30,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:30" (1/1) ... [2022-11-02 20:10:30,592 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:30" (1/1) ... [2022-11-02 20:10:30,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:30" (1/1) ... [2022-11-02 20:10:30,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:10:30,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:10:30,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:10:30,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:10:30,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:30" (1/1) ... [2022-11-02 20:10:30,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:10:30,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:10:30,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:10:30,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:10:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:10:30,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:10:30,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:10:30,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:10:30,849 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:10:30,851 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:10:31,541 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:10:31,550 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:10:31,551 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:10:31,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:31 BoogieIcfgContainer [2022-11-02 20:10:31,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:10:31,555 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:10:31,555 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:10:31,561 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:10:31,562 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:10:31,562 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:10:29" (1/3) ... [2022-11-02 20:10:31,563 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5816ab68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:10:31, skipping insertion in model container [2022-11-02 20:10:31,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:10:31,564 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:10:30" (2/3) ... [2022-11-02 20:10:31,564 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5816ab68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:10:31, skipping insertion in model container [2022-11-02 20:10:31,564 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:10:31,565 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:31" (3/3) ... [2022-11-02 20:10:31,566 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2022-11-02 20:10:31,637 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:10:31,637 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:10:31,638 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:10:31,638 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:10:31,638 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:10:31,638 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:10:31,639 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:10:31,639 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:10:31,653 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:31,699 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2022-11-02 20:10:31,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:10:31,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:10:31,708 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:31,709 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:31,709 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:10:31,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:31,717 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2022-11-02 20:10:31,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:10:31,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:10:31,719 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:31,719 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:31,726 INFO L748 eck$LassoCheckResult]: Stem: 132#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 40#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 119#L171true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 96#L164true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 137#L179true main_#t~ret26#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 102#L527true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 81#L504true 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; 15#L388-2true [2022-11-02 20:10:31,727 INFO L750 eck$LassoCheckResult]: Loop: 15#L388-2true assume !false; 14#L389true assume test_~splverifierCounter~0#1 < 4; 100#L390true test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 125#L398true assume !(0 != test_~tmp~3#1); 24#L398-2true test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 117#L408true assume !(0 != test_~tmp___0~1#1); 86#L408-2true test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 13#L418true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 122#L426true assume 0 != test_~tmp___1~0#1; 30#L426-2true assume { :begin_inline_timeShift } true; 74#L198true assume !(0 != ~pumpRunning~0); 82#L198-2true assume !(0 != ~systemActive~0); 53#L205-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~5#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~5#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 138#L132true __utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~5#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 143#L558true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~5#1); 118#L558-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 149#L215true assume { :end_inline_timeShift } true; 15#L388-2true [2022-11-02 20:10:31,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:31,735 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-02 20:10:31,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:31,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554045022] [2022-11-02 20:10:31,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:31,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:10:31,894 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:10:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:10:31,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:10:31,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:31,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1422593666, now seen corresponding path program 1 times [2022-11-02 20:10:31,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:31,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072406056] [2022-11-02 20:10:31,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:31,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:10:31,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:10:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:10:31,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:10:31,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:31,987 INFO L85 PathProgramCache]: Analyzing trace with hash 490912062, now seen corresponding path program 1 times [2022-11-02 20:10:31,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:31,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967299788] [2022-11-02 20:10:31,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:31,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:10:32,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:10:32,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:10:32,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967299788] [2022-11-02 20:10:32,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967299788] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:10:32,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:10:32,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:10:32,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752622493] [2022-11-02 20:10:32,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:10:32,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:10:32,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:10:32,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:10:32,632 INFO L87 Difference]: Start difference. First operand has 151 states, 150 states have (on average 1.3466666666666667) internal successors, (202), 150 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:32,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:10:32,748 INFO L93 Difference]: Finished difference Result 148 states and 188 transitions. [2022-11-02 20:10:32,749 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 188 transitions. [2022-11-02 20:10:32,753 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2022-11-02 20:10:32,758 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 138 states and 178 transitions. [2022-11-02 20:10:32,759 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 138 [2022-11-02 20:10:32,760 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 138 [2022-11-02 20:10:32,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 138 states and 178 transitions. [2022-11-02 20:10:32,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:10:32,763 INFO L218 hiAutomatonCegarLoop]: Abstraction has 138 states and 178 transitions. [2022-11-02 20:10:32,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states and 178 transitions. [2022-11-02 20:10:32,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2022-11-02 20:10:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.289855072463768) internal successors, (178), 137 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:10:32,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 178 transitions. [2022-11-02 20:10:32,800 INFO L240 hiAutomatonCegarLoop]: Abstraction has 138 states and 178 transitions. [2022-11-02 20:10:32,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:10:32,806 INFO L428 stractBuchiCegarLoop]: Abstraction has 138 states and 178 transitions. [2022-11-02 20:10:32,806 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:10:32,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 178 transitions. [2022-11-02 20:10:32,808 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2022-11-02 20:10:32,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:10:32,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:10:32,810 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:32,810 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:10:32,810 INFO L748 eck$LassoCheckResult]: Stem: 452#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 383#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret26#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 384#L171 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 432#L164 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 433#L179 main_#t~ret26#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret26#1;havoc main_#t~ret26#1; 439#L527 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 423#L504 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; 345#L388-2 [2022-11-02 20:10:32,811 INFO L750 eck$LassoCheckResult]: Loop: 345#L388-2 assume !false; 342#L389 assume test_~splverifierCounter~0#1 < 4; 343#L390 test_~tmp~3#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 437#L398 assume !(0 != test_~tmp~3#1); 357#L398-2 test_~tmp___0~1#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 358#L408 assume !(0 != test_~tmp___0~1#1); 322#L408-2 test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 339#L418 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 340#L426 assume 0 != test_~tmp___1~0#1; 368#L426-2 assume { :begin_inline_timeShift } true; 369#L198 assume !(0 != ~pumpRunning~0); 352#L198-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 393#L256 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret10#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0#1; 394#L230-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 448#L222-3 assume { :end_inline_processEnvironment__wrappee__base } true; 334#L230-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 386#L256-1 assume { :end_inline_processEnvironment } true; 396#L205-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret27#1, __utac_acc__Specification4_spec__1_#t~ret28#1, __utac_acc__Specification4_spec__1_~tmp~5#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~5#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 397#L132 __utac_acc__Specification4_spec__1_#t~ret27#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~5#1 := __utac_acc__Specification4_spec__1_#t~ret27#1;havoc __utac_acc__Specification4_spec__1_#t~ret27#1; 454#L558 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~5#1); 428#L558-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 449#L215 assume { :end_inline_timeShift } true; 345#L388-2 [2022-11-02 20:10:32,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:32,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-02 20:10:32,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:32,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253377942] [2022-11-02 20:10:32,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:32,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:10:32,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:10:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:10:32,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:10:32,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:32,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1849145086, now seen corresponding path program 1 times [2022-11-02 20:10:32,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:32,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774754929] [2022-11-02 20:10:32,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:32,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:10:32,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:10:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:10:32,911 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:10:32,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:10:32,912 INFO L85 PathProgramCache]: Analyzing trace with hash -732302394, now seen corresponding path program 1 times [2022-11-02 20:10:32,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:10:32,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151680804] [2022-11-02 20:10:32,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:10:32,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:10:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:10:32,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:10:32,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:10:32,991 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:10:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:10:37,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:10:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:10:37,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:10:37 BoogieIcfgContainer [2022-11-02 20:10:37,492 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:10:37,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:10:37,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:10:37,493 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:10:37,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:10:31" (3/4) ... [2022-11-02 20:10:37,496 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 20:10:37,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:10:37,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:10:37,551 INFO L158 Benchmark]: Toolchain (without parser) took 7784.07ms. Allocated memory was 90.2MB in the beginning and 174.1MB in the end (delta: 83.9MB). Free memory was 66.1MB in the beginning and 86.3MB in the end (delta: -20.2MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2022-11-02 20:10:37,552 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 90.2MB. Free memory was 64.2MB in the beginning and 64.2MB in the end (delta: 45.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:10:37,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 688.88ms. Allocated memory is still 90.2MB. Free memory was 65.9MB in the beginning and 57.6MB in the end (delta: 8.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:10:37,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.29ms. Allocated memory is still 90.2MB. Free memory was 57.6MB in the beginning and 54.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:10:37,553 INFO L158 Benchmark]: Boogie Preprocessor took 77.97ms. Allocated memory is still 90.2MB. Free memory was 54.3MB in the beginning and 51.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:10:37,554 INFO L158 Benchmark]: RCFGBuilder took 940.93ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 51.9MB in the beginning and 74.5MB in the end (delta: -22.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-11-02 20:10:37,554 INFO L158 Benchmark]: BuchiAutomizer took 5937.00ms. Allocated memory was 113.2MB in the beginning and 174.1MB in the end (delta: 60.8MB). Free memory was 74.5MB in the beginning and 88.4MB in the end (delta: -13.9MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2022-11-02 20:10:37,555 INFO L158 Benchmark]: Witness Printer took 57.80ms. Allocated memory is still 174.1MB. Free memory was 88.4MB in the beginning and 86.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:10:37,557 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 90.2MB. Free memory was 64.2MB in the beginning and 64.2MB in the end (delta: 45.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 688.88ms. Allocated memory is still 90.2MB. Free memory was 65.9MB in the beginning and 57.6MB in the end (delta: 8.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.29ms. Allocated memory is still 90.2MB. Free memory was 57.6MB in the beginning and 54.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.97ms. Allocated memory is still 90.2MB. Free memory was 54.3MB in the beginning and 51.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 940.93ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 51.9MB in the beginning and 74.5MB in the end (delta: -22.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 5937.00ms. Allocated memory was 113.2MB in the beginning and 174.1MB in the end (delta: 60.8MB). Free memory was 74.5MB in the beginning and 88.4MB in the end (delta: -13.9MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * Witness Printer took 57.80ms. Allocated memory is still 174.1MB. Free memory was 88.4MB in the beginning and 86.3MB 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 6 locations. The remainder module has 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.4s. 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, 551 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 551 mSDsluCounter, 187 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 183 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 388]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L190] int pumpRunning = 0; [L191] int systemActive = 1; [L445] int cleanupTimeShifts = 4; [L745] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L518] int retValue_acc ; [L519] int tmp ; [L523] FCALL select_helpers() [L524] FCALL select_features() [L525] CALL, EXPR valid_product() [L175] int retValue_acc ; [L178] retValue_acc = 1 [L179] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L525] RET, EXPR valid_product() [L525] tmp = valid_product() [L527] COND TRUE \read(tmp) [L529] FCALL setup() [L530] CALL runTest() [L512] CALL test() [L379] int splverifierCounter ; [L380] int tmp ; [L381] int tmp___0 ; [L382] int tmp___1 ; [L383] int tmp___2 ; [L386] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L388] COND TRUE 1 [L390] COND TRUE splverifierCounter < 4 [L396] tmp = __VERIFIER_nondet_int() [L398] COND FALSE !(\read(tmp)) [L406] tmp___0 = __VERIFIER_nondet_int() [L408] COND FALSE !(\read(tmp___0)) [L416] tmp___2 = __VERIFIER_nondet_int() [L418] COND FALSE !(\read(tmp___2)) [L424] tmp___1 = __VERIFIER_nondet_int() [L426] COND TRUE \read(tmp___1) [L433] CALL timeShift() [L198] COND FALSE !(\read(pumpRunning)) [L205] COND TRUE \read(systemActive) [L207] CALL processEnvironment() [L253] int tmp ; [L256] COND FALSE !(\read(pumpRunning)) [L271] CALL processEnvironment__wrappee__lowWaterSensor() [L227] int tmp ; [L230] COND FALSE !(\read(pumpRunning)) [L245] FCALL processEnvironment__wrappee__base() [L271] RET processEnvironment__wrappee__lowWaterSensor() [L207] RET processEnvironment() [L213] CALL __utac_acc__Specification4_spec__1() [L551] int tmp ; [L552] int tmp___0 ; [L556] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L556] RET, EXPR getWaterLevel() [L556] tmp = getWaterLevel() [L558] COND FALSE !(tmp == 0) [L213] RET __utac_acc__Specification4_spec__1() [L433] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 388]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L190] int pumpRunning = 0; [L191] int systemActive = 1; [L445] int cleanupTimeShifts = 4; [L745] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L518] int retValue_acc ; [L519] int tmp ; [L523] FCALL select_helpers() [L524] FCALL select_features() [L525] CALL, EXPR valid_product() [L175] int retValue_acc ; [L178] retValue_acc = 1 [L179] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L525] RET, EXPR valid_product() [L525] tmp = valid_product() [L527] COND TRUE \read(tmp) [L529] FCALL setup() [L530] CALL runTest() [L512] CALL test() [L379] int splverifierCounter ; [L380] int tmp ; [L381] int tmp___0 ; [L382] int tmp___1 ; [L383] int tmp___2 ; [L386] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L388] COND TRUE 1 [L390] COND TRUE splverifierCounter < 4 [L396] tmp = __VERIFIER_nondet_int() [L398] COND FALSE !(\read(tmp)) [L406] tmp___0 = __VERIFIER_nondet_int() [L408] COND FALSE !(\read(tmp___0)) [L416] tmp___2 = __VERIFIER_nondet_int() [L418] COND FALSE !(\read(tmp___2)) [L424] tmp___1 = __VERIFIER_nondet_int() [L426] COND TRUE \read(tmp___1) [L433] CALL timeShift() [L198] COND FALSE !(\read(pumpRunning)) [L205] COND TRUE \read(systemActive) [L207] CALL processEnvironment() [L253] int tmp ; [L256] COND FALSE !(\read(pumpRunning)) [L271] CALL processEnvironment__wrappee__lowWaterSensor() [L227] int tmp ; [L230] COND FALSE !(\read(pumpRunning)) [L245] FCALL processEnvironment__wrappee__base() [L271] RET processEnvironment__wrappee__lowWaterSensor() [L207] RET processEnvironment() [L213] CALL __utac_acc__Specification4_spec__1() [L551] int tmp ; [L552] int tmp___0 ; [L556] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L556] RET, EXPR getWaterLevel() [L556] tmp = getWaterLevel() [L558] COND FALSE !(tmp == 0) [L213] RET __utac_acc__Specification4_spec__1() [L433] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-02 20:10:37,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71498fc8-0401-4cf2-a34b-83e6f8cee714/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)