./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg --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 2d0674916b73dbf2024f3c8466ce9ed88de71a9608fd9c94d283a7055c71f71f ............................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:18:22,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:18:22,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:18:22,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:18:22,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:18:22,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:18:22,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:18:22,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:18:22,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:18:22,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:18:22,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:18:22,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:18:22,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:18:22,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:18:22,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:18:22,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:18:22,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:18:22,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:18:22,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:18:22,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:18:22,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:18:22,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:18:22,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:18:22,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:18:22,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:18:22,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:18:22,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:18:22,495 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:18:22,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:18:22,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:18:22,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:18:22,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:18:22,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:18:22,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:18:22,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:18:22,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:18:22,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:18:22,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:18:22,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:18:22,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:18:22,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:18:22,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:18:22,562 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:18:22,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:18:22,563 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:18:22,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:18:22,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:18:22,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:18:22,566 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:18:22,566 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:18:22,567 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:18:22,567 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:18:22,567 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:18:22,567 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:18:22,568 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:18:22,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:18:22,568 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:18:22,569 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:18:22,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:18:22,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:18:22,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:18:22,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:18:22,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:18:22,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:18:22,571 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:18:22,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:18:22,571 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:18:22,572 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:18:22,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:18:22,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:18:22,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:18:22,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:18:22,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:18:22,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:18:22,575 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:18:22,575 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_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d0674916b73dbf2024f3c8466ce9ed88de71a9608fd9c94d283a7055c71f71f [2021-10-28 09:18:22,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:18:22,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:18:22,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:18:22,959 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:18:22,961 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:18:22,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c [2021-10-28 09:18:23,066 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg/data/f87796bd0/f6fa7b6505674149bb450cf165fa0a52/FLAGea08eef0f [2021-10-28 09:18:23,743 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:18:23,744 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c [2021-10-28 09:18:23,757 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg/data/f87796bd0/f6fa7b6505674149bb450cf165fa0a52/FLAGea08eef0f [2021-10-28 09:18:23,975 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg/data/f87796bd0/f6fa7b6505674149bb450cf165fa0a52 [2021-10-28 09:18:23,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:18:23,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:18:23,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:18:23,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:18:24,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:18:24,003 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:18:23" (1/1) ... [2021-10-28 09:18:24,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@754bc496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:18:24, skipping insertion in model container [2021-10-28 09:18:24,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:18:23" (1/1) ... [2021-10-28 09:18:24,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:18:24,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:18:24,299 WARN L228 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_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c[1605,1618] [2021-10-28 09:18:24,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:18:24,528 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:18:24,557 WARN L228 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_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/sv-benchmarks/c/product-lines/minepump_spec4_product26.cil.c[1605,1618] [2021-10-28 09:18:24,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:18:24,711 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:18:24,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:18:24 WrapperNode [2021-10-28 09:18:24,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:18:24,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:18:24,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:18:24,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:18:24,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:18:24" (1/1) ... [2021-10-28 09:18:24,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:18:24" (1/1) ... [2021-10-28 09:18:24,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:18:24,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:18:24,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:18:24,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:18:24,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:18:24" (1/1) ... [2021-10-28 09:18:24,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:18:24" (1/1) ... [2021-10-28 09:18:24,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:18:24" (1/1) ... [2021-10-28 09:18:24,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:18:24" (1/1) ... [2021-10-28 09:18:24,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:18:24" (1/1) ... [2021-10-28 09:18:24,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:18:24" (1/1) ... [2021-10-28 09:18:24,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:18:24" (1/1) ... [2021-10-28 09:18:24,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:18:24,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:18:24,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:18:24,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:18:24,854 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:18:24" (1/1) ... [2021-10-28 09:18:24,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:18:24,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:18:24,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:18:24,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:18:24,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:18:24,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:18:24,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:18:24,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:18:26,112 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:18:26,112 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-28 09:18:26,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:18:26 BoogieIcfgContainer [2021-10-28 09:18:26,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:18:26,117 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:18:26,117 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:18:26,122 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:18:26,123 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:18:26,123 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:18:23" (1/3) ... [2021-10-28 09:18:26,125 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@352618b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:18:26, skipping insertion in model container [2021-10-28 09:18:26,126 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:18:26,126 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:18:24" (2/3) ... [2021-10-28 09:18:26,127 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@352618b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:18:26, skipping insertion in model container [2021-10-28 09:18:26,127 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:18:26,127 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:18:26" (3/3) ... [2021-10-28 09:18:26,129 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product26.cil.c [2021-10-28 09:18:26,193 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:18:26,193 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:18:26,193 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:18:26,193 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:18:26,194 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:18:26,194 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:18:26,194 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:18:26,194 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:18:26,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 72 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 71 states have internal predecessors, (108), 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) [2021-10-28 09:18:26,258 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-10-28 09:18:26,258 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:18:26,258 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:18:26,268 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:18:26,268 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:18:26,268 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:18:26,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 72 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 71 states have internal predecessors, (108), 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) [2021-10-28 09:18:26,287 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-10-28 09:18:26,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:18:26,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:18:26,289 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:18:26,289 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:18:26,303 INFO L791 eck$LassoCheckResult]: Stem: 57#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(13);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string34.base, #t~string34.offset, 1);call write~init~int(77, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(101, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(116, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(104, #t~string34.base, 4 + #t~string34.offset, 1);call write~init~int(58, #t~string34.base, 5 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 6 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string36.base, #t~string36.offset, 1);call write~init~int(82, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(73, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(84, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 4 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string38.base, #t~string38.offset, 1);call write~init~int(75, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 45#L-1true havoc main_#res;havoc main_#t~ret79, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 9#L459true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 69#L467true main_#t~ret79 := valid_product_#res;main_~tmp~8 := main_#t~ret79;havoc main_#t~ret79; 61#L920true assume 0 != main_~tmp~8; 11#L897true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 18#L416-1true [2021-10-28 09:18:26,304 INFO L793 eck$LassoCheckResult]: Loop: 18#L416-1true assume !false; 66#L75true assume test_~splverifierCounter~0 < 4; 72#L76true test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 55#L84true assume !(0 != test_~tmp~0); 62#L84-1true test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 56#L94true assume !(0 != test_~tmp___0~0); 15#L94-1true test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 24#L104true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 65#L112-2true assume !(0 != ~pumpRunning~0); 53#L147true assume !(0 != ~systemActive~0); 32#L154true havoc __utac_acc__Specification4_spec__1_#t~ret41, __utac_acc__Specification4_spec__1_#t~ret42, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 19#L394true __utac_acc__Specification4_spec__1_#t~ret41 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret41;havoc __utac_acc__Specification4_spec__1_#t~ret41; 21#L416true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 18#L416-1true [2021-10-28 09:18:26,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:18:26,315 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-28 09:18:26,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:18:26,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523283144] [2021-10-28 09:18:26,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:18:26,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:18:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:18:26,706 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:18:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:18:26,941 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:18:26,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:18:26,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1680729469, now seen corresponding path program 1 times [2021-10-28 09:18:26,946 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:18:26,946 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888509145] [2021-10-28 09:18:26,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:18:26,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:18:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:18:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:18:27,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:18:27,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888509145] [2021-10-28 09:18:27,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888509145] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:18:27,025 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:18:27,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:18:27,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945266890] [2021-10-28 09:18:27,032 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:18:27,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:18:27,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:18:27,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:18:27,057 INFO L87 Difference]: Start difference. First operand has 72 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 71 states have internal predecessors, (108), 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 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-28 09:18:27,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:18:27,101 INFO L93 Difference]: Finished difference Result 72 states and 98 transitions. [2021-10-28 09:18:27,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:18:27,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 98 transitions. [2021-10-28 09:18:27,108 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-10-28 09:18:27,113 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2021-10-28 09:18:27,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2021-10-28 09:18:27,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2021-10-28 09:18:27,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2021-10-28 09:18:27,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:18:27,118 INFO L681 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-28 09:18:27,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2021-10-28 09:18:27,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-10-28 09:18:27,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 64 states have internal predecessors, (90), 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) [2021-10-28 09:18:27,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2021-10-28 09:18:27,159 INFO L704 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-28 09:18:27,159 INFO L587 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-10-28 09:18:27,159 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:18:27,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2021-10-28 09:18:27,161 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-10-28 09:18:27,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:18:27,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:18:27,163 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:18:27,163 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:18:27,164 INFO L791 eck$LassoCheckResult]: Stem: 212#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(13);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string34.base, #t~string34.offset, 1);call write~init~int(77, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(101, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(116, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(104, #t~string34.base, 4 + #t~string34.offset, 1);call write~init~int(58, #t~string34.base, 5 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 6 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string36.base, #t~string36.offset, 1);call write~init~int(82, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(73, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(84, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 4 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string38.base, #t~string38.offset, 1);call write~init~int(75, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(21);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 201#L-1 havoc main_#res;havoc main_#t~ret79, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 159#L459 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 160#L467 main_#t~ret79 := valid_product_#res;main_~tmp~8 := main_#t~ret79;havoc main_#t~ret79; 214#L920 assume 0 != main_~tmp~8; 161#L897 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 162#L416-1 [2021-10-28 09:18:27,164 INFO L793 eck$LassoCheckResult]: Loop: 162#L416-1 assume !false; 173#L75 assume test_~splverifierCounter~0 < 4; 216#L76 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 210#L84 assume !(0 != test_~tmp~0); 166#L84-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 211#L94 assume !(0 != test_~tmp___0~0); 170#L94-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 171#L104 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 183#L112-2 assume !(0 != ~pumpRunning~0); 208#L147 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 209#L179 assume !(0 != ~pumpRunning~0); 191#L154 havoc __utac_acc__Specification4_spec__1_#t~ret41, __utac_acc__Specification4_spec__1_#t~ret42, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 174#L394 __utac_acc__Specification4_spec__1_#t~ret41 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret41;havoc __utac_acc__Specification4_spec__1_#t~ret41; 175#L416 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 162#L416-1 [2021-10-28 09:18:27,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:18:27,165 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-28 09:18:27,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:18:27,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373013242] [2021-10-28 09:18:27,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:18:27,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:18:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:18:27,232 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:18:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:18:27,315 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:18:27,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:18:27,316 INFO L85 PathProgramCache]: Analyzing trace with hash -589998917, now seen corresponding path program 1 times [2021-10-28 09:18:27,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:18:27,317 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361606392] [2021-10-28 09:18:27,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:18:27,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:18:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:18:27,324 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:18:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:18:27,335 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:18:27,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:18:27,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1013040609, now seen corresponding path program 1 times [2021-10-28 09:18:27,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:18:27,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877408353] [2021-10-28 09:18:27,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:18:27,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:18:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:18:27,423 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:18:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:18:27,549 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:19:43,770 WARN L207 SmtUtils]: Spent 1.27 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-28 09:21:02,992 WARN L207 SmtUtils]: Spent 39.24 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-28 09:21:03,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:21:03 BoogieIcfgContainer [2021-10-28 09:21:03,184 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:21:03,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:21:03,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:21:03,185 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:21:03,186 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:18:26" (3/4) ... [2021-10-28 09:21:03,189 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 09:21:03,247 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:21:03,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:21:03,249 INFO L168 Benchmark]: Toolchain (without parser) took 159267.81 ms. Allocated memory was 102.8 MB in the beginning and 157.3 MB in the end (delta: 54.5 MB). Free memory was 68.3 MB in the beginning and 42.3 MB in the end (delta: 26.0 MB). Peak memory consumption was 81.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:21:03,249 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 102.8 MB. Free memory is still 56.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:21:03,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.39 ms. Allocated memory is still 102.8 MB. Free memory was 68.1 MB in the beginning and 67.8 MB in the end (delta: 294.1 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:21:03,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.25 ms. Allocated memory is still 102.8 MB. Free memory was 67.8 MB in the beginning and 64.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:21:03,251 INFO L168 Benchmark]: Boogie Preprocessor took 50.68 ms. Allocated memory is still 102.8 MB. Free memory was 64.8 MB in the beginning and 63.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:21:03,252 INFO L168 Benchmark]: RCFGBuilder took 1262.93 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 62.7 MB in the beginning and 83.7 MB in the end (delta: -21.0 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:21:03,253 INFO L168 Benchmark]: BuchiAutomizer took 157067.14 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 83.7 MB in the beginning and 44.2 MB in the end (delta: 39.5 MB). Peak memory consumption was 70.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:21:03,254 INFO L168 Benchmark]: Witness Printer took 62.98 ms. Allocated memory is still 157.3 MB. Free memory was 44.2 MB in the beginning and 42.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:21:03,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 102.8 MB. Free memory is still 56.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 730.39 ms. Allocated memory is still 102.8 MB. Free memory was 68.1 MB in the beginning and 67.8 MB in the end (delta: 294.1 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.25 ms. Allocated memory is still 102.8 MB. Free memory was 67.8 MB in the beginning and 64.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.68 ms. Allocated memory is still 102.8 MB. Free memory was 64.8 MB in the beginning and 63.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1262.93 ms. Allocated memory was 102.8 MB in the beginning and 130.0 MB in the end (delta: 27.3 MB). Free memory was 62.7 MB in the beginning and 83.7 MB in the end (delta: -21.0 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 157067.14 ms. Allocated memory was 130.0 MB in the beginning and 157.3 MB in the end (delta: 27.3 MB). Free memory was 83.7 MB in the beginning and 44.2 MB in the end (delta: 39.5 MB). Peak memory consumption was 70.0 MB. Max. memory is 16.1 GB. * Witness Printer took 62.98 ms. Allocated memory is still 157.3 MB. Free memory was 44.2 MB in the beginning and 42.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 156.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 156.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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 65 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 95 SDtfs, 95 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time 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 - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 74]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=8268} State at position 1 is {NULL=8293, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@315d1b15=74, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e268abc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60648a36=0, NULL=8268, NULL=0, NULL=8285, NULL=8279, NULL=8271, NULL=8277, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38944401=0, NULL=8292, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2bef4efa=0, NULL=0, NULL=0, NULL=0, tmp___1=0, NULL=8280, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29f83115=0, NULL=8290, NULL=0, NULL=0, NULL=8275, cleanupTimeShifts=4, tmp=0, NULL=8281, NULL=8276, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13aca956=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1463d3c6=0, NULL=8273, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, tmp___0=0, retValue_acc=0, NULL=8294, \result=1, head=0, pumpRunning=0, \result=0, NULL=8274, NULL=8269, NULL=0, NULL=0, NULL=8284, NULL=0, tmp=1, NULL=0, NULL=0, NULL=8286, retValue_acc=1, NULL=0, NULL=0, tmp=1, NULL=8270, NULL=0, NULL=0, NULL=8289, NULL=0, tmp___2=74, NULL=0, retValue_acc=1, splverifierCounter=0, NULL=0, NULL=8278, NULL=8296, NULL=8295, tmp=0, head=0, NULL=8272, NULL=8288, NULL=8282, NULL=8291, NULL=8283, NULL=8287} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L139] int pumpRunning = 0; [L140] int systemActive = 1; [L319] int waterLevel = 1; [L320] int methaneLevelCritical = 0; [L641] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L838] int cleanupTimeShifts = 4; [L911] int retValue_acc ; [L912] int tmp ; [L463] int retValue_acc ; [L466] retValue_acc = 1 [L467] return (retValue_acc); [L918] tmp = valid_product() [L920] COND TRUE \read(tmp) [L65] int splverifierCounter ; [L66] int tmp ; [L67] int tmp___0 ; [L68] int tmp___1 ; [L69] int tmp___2 ; [L72] splverifierCounter = 0 Loop: [L74] COND TRUE 1 [L76] COND TRUE splverifierCounter < 4 [L82] tmp = __VERIFIER_nondet_int() [L84] COND FALSE !(\read(tmp)) [L92] tmp___0 = __VERIFIER_nondet_int() [L94] COND FALSE !(\read(tmp___0)) [L102] tmp___2 = __VERIFIER_nondet_int() [L104] COND TRUE \read(tmp___2) [L313] systemActive = 1 [L147] COND FALSE !(\read(pumpRunning)) [L154] COND TRUE \read(systemActive) [L176] int tmp ; [L179] COND FALSE !(\read(pumpRunning)) [L409] int tmp ; [L410] int tmp___0 ; [L390] int retValue_acc ; [L393] retValue_acc = waterLevel [L394] return (retValue_acc); [L414] tmp = getWaterLevel() [L416] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:21:03,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3a2d7cf-55a7-4397-886a-cbfbe2d78415/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...